diff --git a/polygerrit-ui/app/elements/admin/gr-access-section/gr-access-section.ts b/polygerrit-ui/app/elements/admin/gr-access-section/gr-access-section.ts
index 2bd2cfb..4d0d3f1 100644
--- a/polygerrit-ui/app/elements/admin/gr-access-section/gr-access-section.ts
+++ b/polygerrit-ui/app/elements/admin/gr-access-section/gr-access-section.ts
@@ -24,7 +24,7 @@
   LabelNameToLabelTypeInfoMap,
   RepoName,
 } from '../../../types/common';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {IronInputElement} from '@polymer/iron-input/iron-input';
 import {fontStyles} from '../../../styles/gr-font-styles';
 import {formStyles} from '../../../styles/gr-form-styles';
@@ -288,7 +288,7 @@
       // For a new section, this is not fired because new permissions and
       // rules have to be added in order to save, modifying the ref is not
       // enough.
-      fireEvent(this, 'access-modified');
+      fire(this, 'access-modified', {});
     }
     this.section.value.updatedId = this.section.id;
     this.requestUpdate();
@@ -420,11 +420,11 @@
       return;
     }
     if (this.section.value.added) {
-      fireEvent(this, 'added-section-removed');
+      fire(this, 'added-section-removed', {});
     }
     this.deleted = true;
     this.section.value.deleted = true;
-    fireEvent(this, 'access-modified');
+    fire(this, 'access-modified', {});
   }
 
   _handleUndoRemove() {
diff --git a/polygerrit-ui/app/elements/admin/gr-confirm-delete-item-dialog/gr-confirm-delete-item-dialog.ts b/polygerrit-ui/app/elements/admin/gr-confirm-delete-item-dialog/gr-confirm-delete-item-dialog.ts
index bb59c0c..61fe0c4 100644
--- a/polygerrit-ui/app/elements/admin/gr-confirm-delete-item-dialog/gr-confirm-delete-item-dialog.ts
+++ b/polygerrit-ui/app/elements/admin/gr-confirm-delete-item-dialog/gr-confirm-delete-item-dialog.ts
@@ -7,7 +7,7 @@
 import {sharedStyles} from '../../../styles/shared-styles';
 import {css, html, LitElement} from 'lit';
 import {customElement, property} from 'lit/decorators.js';
-import {fireEventNoBubble} from '../../../utils/event-util';
+import {fireNoBubble} from '../../../utils/event-util';
 
 declare global {
   interface HTMLElementTagNameMap {
@@ -69,12 +69,12 @@
   _handleConfirmTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'confirm');
+    fireNoBubble(this, 'confirm', {});
   }
 
   _handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'cancel');
+    fireNoBubble(this, 'cancel', {});
   }
 }
diff --git a/polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog.ts b/polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog.ts
index 6b5a192..b3f1e96 100644
--- a/polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog.ts
+++ b/polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog.ts
@@ -24,7 +24,7 @@
 import {LitElement, PropertyValues, css, html} from 'lit';
 import {customElement, property, query, state} from 'lit/decorators.js';
 import {BindValueChangeEvent, ValueChangedEvent} from '../../../types/events';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {subscribe} from '../../lit/subscription-controller';
 import {configModelToken} from '../../../models/config/config-model';
 import {resolve} from '../../../models/dependency';
@@ -210,7 +210,7 @@
   }
 
   private allowCreate() {
-    fireEvent(this, 'can-create-change');
+    fire(this, 'can-create-change', {});
   }
 
   handleCreateChange(): Promise<void> {
diff --git a/polygerrit-ui/app/elements/admin/gr-create-group-dialog/gr-create-group-dialog.ts b/polygerrit-ui/app/elements/admin/gr-create-group-dialog/gr-create-group-dialog.ts
index 269bfa3..893343f 100644
--- a/polygerrit-ui/app/elements/admin/gr-create-group-dialog/gr-create-group-dialog.ts
+++ b/polygerrit-ui/app/elements/admin/gr-create-group-dialog/gr-create-group-dialog.ts
@@ -13,7 +13,7 @@
 import {LitElement, PropertyValues, css, html} from 'lit';
 import {customElement, query, property} from 'lit/decorators.js';
 import {BindValueChangeEvent} from '../../../types/events';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {createGroupUrl} from '../../../models/views/group';
 import {resolve} from '../../../models/dependency';
 import {navigationToken} from '../../core/gr-navigation/gr-navigation';
@@ -78,7 +78,7 @@
   }
 
   private updateGroupName() {
-    fireEvent(this, 'has-new-group-name');
+    fire(this, 'has-new-group-name', {});
   }
 
   override focus() {
diff --git a/polygerrit-ui/app/elements/admin/gr-create-pointer-dialog/gr-create-pointer-dialog.ts b/polygerrit-ui/app/elements/admin/gr-create-pointer-dialog/gr-create-pointer-dialog.ts
index b5053d1..12f36ec 100644
--- a/polygerrit-ui/app/elements/admin/gr-create-pointer-dialog/gr-create-pointer-dialog.ts
+++ b/polygerrit-ui/app/elements/admin/gr-create-pointer-dialog/gr-create-pointer-dialog.ts
@@ -13,7 +13,7 @@
 import {LitElement, PropertyValues, css, html} from 'lit';
 import {customElement, property, state} from 'lit/decorators.js';
 import {BindValueChangeEvent} from '../../../types/events';
-import {fireAlert, fireEvent, fireReload} from '../../../utils/event-util';
+import {fireAlert, fire, fireReload} from '../../../utils/event-util';
 import {RepoDetailView} from '../../../models/views/repo';
 
 declare global {
@@ -116,7 +116,7 @@
   }
 
   private updateItemName() {
-    fireEvent(this, 'update-item-name');
+    fire(this, 'update-item-name', {});
   }
 
   handleCreateItem() {
diff --git a/polygerrit-ui/app/elements/admin/gr-create-repo-dialog/gr-create-repo-dialog.ts b/polygerrit-ui/app/elements/admin/gr-create-repo-dialog/gr-create-repo-dialog.ts
index aa98af7..1a70f2b 100644
--- a/polygerrit-ui/app/elements/admin/gr-create-repo-dialog/gr-create-repo-dialog.ts
+++ b/polygerrit-ui/app/elements/admin/gr-create-repo-dialog/gr-create-repo-dialog.ts
@@ -20,7 +20,7 @@
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, css, html} from 'lit';
 import {customElement, query, property, state} from 'lit/decorators.js';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {throwingErrorCallback} from '../../shared/gr-rest-api-interface/gr-rest-apis/gr-rest-api-helper';
 import {createRepoUrl} from '../../../models/views/repo';
 import {resolve} from '../../../models/dependency';
@@ -250,7 +250,7 @@
     // because when the event is fired, gr-repo-list gets
     // the nameChanged value.
     this.nameChanged = !!e.detail.value;
-    fireEvent(this, 'new-repo-name');
+    fire(this, 'new-repo-name', {});
     this.requestUpdate();
   }
 
diff --git a/polygerrit-ui/app/elements/admin/gr-permission/gr-permission.ts b/polygerrit-ui/app/elements/admin/gr-permission/gr-permission.ts
index c6ec54b..38123ad 100644
--- a/polygerrit-ui/app/elements/admin/gr-permission/gr-permission.ts
+++ b/polygerrit-ui/app/elements/admin/gr-permission/gr-permission.ts
@@ -34,7 +34,7 @@
   EditableRepoAccessGroups,
 } from '../gr-repo-access/gr-repo-access-interfaces';
 import {getAppContext} from '../../../services/app-context';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {paperStyles} from '../../../styles/gr-paper-styles';
 import {formStyles} from '../../../styles/gr-form-styles';
@@ -351,7 +351,7 @@
     this.permission.value.modified = true;
     this.permission.value.exclusive = (e.target as HTMLInputElement).checked;
     // Allows overall access page to know a change has been made.
-    fireEvent(this, 'access-modified');
+    fire(this, 'access-modified', {});
   }
 
   handleRemovePermission() {
@@ -359,11 +359,11 @@
       return;
     }
     if (this.permission.value.added) {
-      fireEvent(this, 'added-permission-removed');
+      fire(this, 'added-permission-removed', {});
     }
     this.deleted = true;
     this.permission.value.deleted = true;
-    fireEvent(this, 'access-modified');
+    fire(this, 'access-modified', {});
   }
 
   private handleRulesChanged() {
@@ -532,7 +532,7 @@
     const value = this.rules[this.rules.length - 1].value;
     value!.added = true;
     this.permission.value.rules[groupId] = value!;
-    fireEvent(this, 'access-modified');
+    fire(this, 'access-modified', {});
     this.requestUpdate();
   }
 
diff --git a/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor.ts b/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor.ts
index 2888229..4e41dfe 100644
--- a/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor.ts
+++ b/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor.ts
@@ -8,7 +8,7 @@
 import '../../shared/gr-select/gr-select';
 import {encodeURL, getBaseUrl} from '../../../utils/url-util';
 import {AccessPermissionId} from '../../../utils/access-util';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {formStyles} from '../../../styles/gr-form-styles';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, PropertyValues, html, css} from 'lit';
@@ -424,14 +424,14 @@
   private handleRemoveRule() {
     if (!this.rule?.value) return;
     if (this.rule.value.added) {
-      fireEvent(this, 'added-rule-removed');
+      fire(this, 'added-rule-removed', {});
     }
     this.deleted = true;
     this.rule.value.deleted = true;
 
     this.handleRuleChange();
 
-    fireEvent(this, 'access-modified');
+    fire(this, 'access-modified', {});
   }
 
   private handleUndoRemove() {
@@ -469,7 +469,7 @@
     this.handleRuleChange();
 
     // Allows overall access page to know a change has been made.
-    fireEvent(this, 'access-modified');
+    fire(this, 'access-modified', {});
   }
 
   // private but used in test
diff --git a/polygerrit-ui/app/elements/change-list/gr-change-list-view/gr-change-list-view.ts b/polygerrit-ui/app/elements/change-list/gr-change-list-view/gr-change-list-view.ts
index 1c86354..b5593f3 100644
--- a/polygerrit-ui/app/elements/change-list/gr-change-list-view/gr-change-list-view.ts
+++ b/polygerrit-ui/app/elements/change-list/gr-change-list-view/gr-change-list-view.ts
@@ -15,7 +15,7 @@
   RepoName,
 } from '../../../types/common';
 import {ChangeStarToggleStarDetail} from '../../shared/gr-change-star/gr-change-star';
-import {fireAlert, fireEvent, fireTitleChange} from '../../../utils/event-util';
+import {fireAlert, fire, fireTitleChange} from '../../../utils/event-util';
 import {getAppContext} from '../../../services/app-context';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, PropertyValues, html, css, nothing} from 'lit';
@@ -316,7 +316,7 @@
       e.detail.change._number,
       e.detail.starred
     );
-    fireEvent(this, 'hide-alert');
+    fire(this, 'hide-alert', {});
   }
 }
 
diff --git a/polygerrit-ui/app/elements/change-list/gr-change-list/gr-change-list.ts b/polygerrit-ui/app/elements/change-list/gr-change-list/gr-change-list.ts
index 3f69401..6c7e661 100644
--- a/polygerrit-ui/app/elements/change-list/gr-change-list/gr-change-list.ts
+++ b/polygerrit-ui/app/elements/change-list/gr-change-list/gr-change-list.ts
@@ -17,7 +17,7 @@
   ServerInfo,
   PreferencesInput,
 } from '../../../types/common';
-import {fire, fireEvent, fireReload} from '../../../utils/event-util';
+import {fire, fireReload} from '../../../utils/event-util';
 import {ColumnNames, ScrollMode} from '../../../constants/constants';
 import {getRequirements} from '../../../utils/label-util';
 import {Key} from '../../../utils/dom-util';
@@ -403,11 +403,11 @@
   }
 
   private nextPage() {
-    fireEvent(this, 'next-page');
+    fire(this, 'next-page', {});
   }
 
   private prevPage() {
-    fireEvent(this, 'previous-page');
+    fire(this, 'previous-page', {});
   }
 
   private refreshChangeList() {
diff --git a/polygerrit-ui/app/elements/change-list/gr-create-change-help/gr-create-change-help.ts b/polygerrit-ui/app/elements/change-list/gr-create-change-help/gr-create-change-help.ts
index adbf2ed..d9be9ca 100644
--- a/polygerrit-ui/app/elements/change-list/gr-create-change-help/gr-create-change-help.ts
+++ b/polygerrit-ui/app/elements/change-list/gr-create-change-help/gr-create-change-help.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 import '../../shared/gr-button/gr-button';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, css, html} from 'lit';
 import {customElement} from 'lit/decorators.js';
@@ -93,6 +93,6 @@
 
   _handleCreateTap(e: Event) {
     e.preventDefault();
-    fireEvent(this, 'create-tap');
+    fire(this, 'create-tap', {});
   }
 }
diff --git a/polygerrit-ui/app/elements/change-list/gr-dashboard-view/gr-dashboard-view.ts b/polygerrit-ui/app/elements/change-list/gr-dashboard-view/gr-dashboard-view.ts
index ae2797a..8c99aaa 100644
--- a/polygerrit-ui/app/elements/change-list/gr-dashboard-view/gr-dashboard-view.ts
+++ b/polygerrit-ui/app/elements/change-list/gr-dashboard-view/gr-dashboard-view.ts
@@ -29,7 +29,7 @@
 import {ChangeStarToggleStarDetail} from '../../shared/gr-change-star/gr-change-star';
 import {
   fireAlert,
-  fireEvent,
+  fire,
   firePageError,
   fireTitleChange,
 } from '../../../utils/event-util';
@@ -539,7 +539,7 @@
       e.detail.change._number,
       e.detail.starred
     );
-    fireEvent(this, 'hide-alert');
+    fire(this, 'hide-alert', {});
     if (e.detail.starred) {
       this.reporting.reportInteraction('change-starred-from-dashboard');
     }
diff --git a/polygerrit-ui/app/elements/change/gr-change-actions/gr-change-actions.ts b/polygerrit-ui/app/elements/change/gr-change-actions/gr-change-actions.ts
index 721c0c1..622c996 100644
--- a/polygerrit-ui/app/elements/change/gr-change-actions/gr-change-actions.ts
+++ b/polygerrit-ui/app/elements/change/gr-change-actions/gr-change-actions.ts
@@ -77,8 +77,7 @@
   fire,
   fireAlert,
   fireError,
-  fireEvent,
-  fireEventNoBubbleNoCompose,
+  fireNoBubbleNoCompose,
   fireReload,
 } from '../../../utils/event-util';
 import {
@@ -2019,12 +2018,12 @@
 
   // private but used in test
   handleDownloadTap() {
-    fireEvent(this, 'download-tap');
+    fire(this, 'download-tap', {});
   }
 
   // private but used in test
   handleIncludedInTap() {
-    fireEvent(this, 'included-tap');
+    fire(this, 'included-tap', {});
   }
 
   // private but used in test
@@ -2213,11 +2212,11 @@
   }
 
   private handleEditTap() {
-    fireEventNoBubbleNoCompose(this, 'edit-tap');
+    fireNoBubbleNoCompose(this, 'edit-tap', {});
   }
 
   private handleStopEditTap() {
-    fireEventNoBubbleNoCompose(this, 'stop-edit-tap');
+    fireNoBubbleNoCompose(this, 'stop-edit-tap', {});
   }
 }
 
diff --git a/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata.ts b/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata.ts
index 01399e9..0e71c1f 100644
--- a/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata.ts
+++ b/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata.ts
@@ -57,7 +57,7 @@
   isSectionSet,
   DisplayRules,
 } from '../../../utils/change-metadata-util';
-import {fireAlert, fireEvent, fireReload} from '../../../utils/event-util';
+import {fireAlert, fire, fireReload} from '../../../utils/event-util';
 import {
   EditRevisionInfo,
   isDefined,
@@ -769,7 +769,7 @@
     } finally {
       this.settingTopic = false;
     }
-    fireEvent(this, 'hide-alert');
+    fire(this, 'hide-alert', {});
     fireReload(this);
   }
 
@@ -802,7 +802,7 @@
     await this.restApiService.setChangeHashtag(this.change._number, {
       add: [newHashtag as Hashtag],
     });
-    fireEvent(this, 'hide-alert');
+    fire(this, 'hide-alert', {});
     fireReload(this);
   }
 
@@ -957,7 +957,7 @@
     } finally {
       target.disabled = false;
     }
-    fireEvent(this, 'hide-alert');
+    fire(this, 'hide-alert', {});
     fireReload(this);
   }
 
@@ -975,7 +975,7 @@
     } finally {
       target.disabled = false;
     }
-    fireEvent(this, 'hide-alert');
+    fire(this, 'hide-alert', {});
     fireReload(this);
   }
 
diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.ts b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.ts
index 6a19ce9..1305327 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.ts
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.ts
@@ -128,10 +128,9 @@
 import {GrMessagesList} from '../gr-messages-list/gr-messages-list';
 import {GrThreadList} from '../gr-thread-list/gr-thread-list';
 import {
-  fire,
   fireAlert,
   fireDialogChange,
-  fireEvent,
+  fire,
   fireReload,
   fireTitleChange,
 } from '../../../utils/event-util';
@@ -2357,7 +2356,7 @@
 
   private handleOpenReplyDialog() {
     if (!this.loggedIn) {
-      fireEvent(this, 'show-auth-required');
+      fire(this, 'show-auth-required', {});
       return;
     }
     this.openReplyDialog(FocusTarget.ANY);
@@ -2387,7 +2386,7 @@
           reason
         )
         .then(() => {
-          fireEvent(this, 'hide-alert');
+          fire(this, 'hide-alert', {});
         });
     } else {
       const reason = getAddedByReason(this.account, this.serverConfig);
@@ -2404,7 +2403,7 @@
           reason
         )
         .then(() => {
-          fireEvent(this, 'hide-alert');
+          fire(this, 'hide-alert', {});
         });
     }
     this.change = newChange;
@@ -2872,7 +2871,7 @@
     allDataPromises.push(mergeabilityLoaded);
 
     coreDataPromise.then(() => {
-      fireEvent(this, 'change-details-loaded');
+      fire(this, 'change-details-loaded', {});
       this.reporting.timeEnd(Timing.CHANGE_RELOAD);
       if (isLocationChange) {
         this.reporting.changeDisplayed(roleDetails(this.change, this.account));
@@ -3213,7 +3212,7 @@
       e.detail.change._number,
       e.detail.starred
     );
-    fireEvent(this, 'hide-alert');
+    fire(this, 'hide-alert', {});
   }
 
   private getRevisionInfo(): RevisionInfoClass | undefined {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-abandon-dialog/gr-confirm-abandon-dialog.ts b/polygerrit-ui/app/elements/change/gr-confirm-abandon-dialog/gr-confirm-abandon-dialog.ts
index 17e83a3..2129918 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-abandon-dialog/gr-confirm-abandon-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-confirm-abandon-dialog/gr-confirm-abandon-dialog.ts
@@ -14,7 +14,7 @@
 import {BindValueChangeEvent} from '../../../types/events';
 import {ShortcutController} from '../../lit/shortcut-controller';
 import {ChangeActionDialog} from '../../../types/common';
-import {fireEventNoBubble, fireNoBubble} from '../../../utils/event-util';
+import {fireNoBubble} from '../../../utils/event-util';
 
 declare global {
   interface HTMLElementTagNameMap {
@@ -140,7 +140,7 @@
   handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'cancel');
+    fireNoBubble(this, 'cancel', {});
   }
 
   private handleBindValueChanged(e: BindValueChangeEvent) {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-conflict-dialog/gr-confirm-cherrypick-conflict-dialog.ts b/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-conflict-dialog/gr-confirm-cherrypick-conflict-dialog.ts
index 34a3161..7723327 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-conflict-dialog/gr-confirm-cherrypick-conflict-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-conflict-dialog/gr-confirm-cherrypick-conflict-dialog.ts
@@ -7,7 +7,7 @@
 import {customElement} from 'lit/decorators.js';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {ChangeActionDialog} from '../../../types/common';
-import {fireEventNoBubble} from '../../../utils/event-util';
+import {fireNoBubble} from '../../../utils/event-util';
 import '../../shared/gr-dialog/gr-dialog';
 
 @customElement('gr-confirm-cherrypick-conflict-dialog')
@@ -67,13 +67,13 @@
   handleConfirmTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'confirm');
+    fireNoBubble(this, 'confirm', {});
   }
 
   handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'cancel');
+    fireNoBubble(this, 'cancel', {});
   }
 }
 
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-dialog/gr-confirm-cherrypick-dialog.ts b/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-dialog/gr-confirm-cherrypick-dialog.ts
index 8ce0f51..4d2602e 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-dialog/gr-confirm-cherrypick-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-dialog/gr-confirm-cherrypick-dialog.ts
@@ -30,7 +30,7 @@
   ChangeStatus,
   ProgressStatus,
 } from '../../../constants/constants';
-import {fireEvent, fireEventNoBubble} from '../../../utils/event-util';
+import {fire, fireNoBubble} from '../../../utils/event-util';
 import {css, html, LitElement, PropertyValues} from 'lit';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {choose} from 'lit/directives/choose.js';
@@ -503,12 +503,12 @@
 
   private handlecherryPickSingleChangeClicked() {
     this.cherryPickType = CherryPickType.SINGLE_CHANGE;
-    fireEvent(this, 'iron-resize');
+    fire(this, 'iron-resize', {});
   }
 
   private handlecherryPickTopicClicked() {
     this.cherryPickType = CherryPickType.TOPIC;
-    fireEvent(this, 'iron-resize');
+    fire(this, 'iron-resize', {});
   }
 
   private computeMessage() {
@@ -605,13 +605,13 @@
       return;
     }
     // Cherry pick single change
-    fireEventNoBubble(this, 'confirm');
+    fireNoBubble(this, 'confirm', {});
   }
 
   private handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'cancel');
+    fireNoBubble(this, 'cancel', {});
   }
 
   resetFocus() {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-move-dialog/gr-confirm-move-dialog.ts b/polygerrit-ui/app/elements/change/gr-confirm-move-dialog/gr-confirm-move-dialog.ts
index db14694..6f82e8c 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-move-dialog/gr-confirm-move-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-confirm-move-dialog/gr-confirm-move-dialog.ts
@@ -15,7 +15,7 @@
 import {ValueChangedEvent} from '../../../types/events';
 import {ShortcutController} from '../../lit/shortcut-controller';
 import {throwingErrorCallback} from '../../shared/gr-rest-api-interface/gr-rest-apis/gr-rest-api-helper';
-import {fireEventNoBubble} from '../../../utils/event-util';
+import {fireNoBubble} from '../../../utils/event-util';
 
 const SUGGESTIONS_LIMIT = 15;
 
@@ -143,13 +143,13 @@
   private handleConfirmTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'confirm');
+    fireNoBubble(this, 'confirm', {});
   }
 
   private handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'cancel');
+    fireNoBubble(this, 'cancel', {});
   }
 
   private getProjectBranchesSuggestions(input: string) {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-rebase-dialog/gr-confirm-rebase-dialog.ts b/polygerrit-ui/app/elements/change/gr-confirm-rebase-dialog/gr-confirm-rebase-dialog.ts
index b460336..34869f2 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-rebase-dialog/gr-confirm-rebase-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-confirm-rebase-dialog/gr-confirm-rebase-dialog.ts
@@ -22,10 +22,7 @@
 import {sharedStyles} from '../../../styles/shared-styles';
 import {ValueChangedEvent} from '../../../types/events';
 import {throwingErrorCallback} from '../../shared/gr-rest-api-interface/gr-rest-apis/gr-rest-api-helper';
-import {
-  fireEventNoBubbleNoCompose,
-  fireNoBubbleNoCompose,
-} from '../../../utils/event-util';
+import {fireNoBubbleNoCompose} from '../../../utils/event-util';
 
 export interface RebaseChange {
   name: string;
@@ -362,7 +359,7 @@
   private handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubbleNoCompose(this, 'cancel');
+    fireNoBubbleNoCompose(this, 'cancel', {});
     this.text = '';
   }
 
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-revert-dialog/gr-confirm-revert-dialog.ts b/polygerrit-ui/app/elements/change/gr-confirm-revert-dialog/gr-confirm-revert-dialog.ts
index b7b0b19..fedc377 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-revert-dialog/gr-confirm-revert-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-confirm-revert-dialog/gr-confirm-revert-dialog.ts
@@ -9,7 +9,7 @@
 import {LitElement, html, css, nothing} from 'lit';
 import {customElement, state} from 'lit/decorators.js';
 import {ChangeActionDialog, ChangeInfo, CommitId} from '../../../types/common';
-import {fire, fireAlert, fireEvent} from '../../../utils/event-util';
+import {fire, fireAlert} from '../../../utils/event-util';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {BindValueChangeEvent} from '../../../types/events';
 import {resolve} from '../../../models/dependency';
@@ -293,7 +293,7 @@
   private handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEvent(this, 'cancel');
+    fire(this, 'cancel', {});
   }
 }
 
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-submit-dialog/gr-confirm-submit-dialog.ts b/polygerrit-ui/app/elements/change/gr-confirm-submit-dialog/gr-confirm-submit-dialog.ts
index bf1c5ca..b5297fd 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-submit-dialog/gr-confirm-submit-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-confirm-submit-dialog/gr-confirm-submit-dialog.ts
@@ -21,7 +21,7 @@
 import {commentsModelToken} from '../../../models/comments/comments-model';
 import {changeModelToken} from '../../../models/change/change-model';
 import {resolve} from '../../../models/dependency';
-import {fireEventNoBubbleNoCompose} from '../../../utils/event-util';
+import {fireNoBubbleNoCompose} from '../../../utils/event-util';
 
 @customElement('gr-confirm-submit-dialog')
 export class GrConfirmSubmitDialog
@@ -194,13 +194,13 @@
   private handleConfirmTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubbleNoCompose(this, 'confirm');
+    fireNoBubbleNoCompose(this, 'confirm', {});
   }
 
   private handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubbleNoCompose(this, 'cancel');
+    fireNoBubbleNoCompose(this, 'cancel', {});
   }
 }
 
diff --git a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.ts b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.ts
index 7efea5f..11dc890 100644
--- a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.ts
@@ -9,7 +9,7 @@
 import {GrDownloadCommands} from '../../shared/gr-download-commands/gr-download-commands';
 import {GrButton} from '../../shared/gr-button/gr-button';
 import {copyToClipbard, hasOwnProperty} from '../../../utils/common-util';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {fontStyles} from '../../../styles/gr-font-styles';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, PropertyValues, html, css} from 'lit';
@@ -233,7 +233,7 @@
       commands[index].command,
       `${commands[index].title} command`
     );
-    fireEvent(this, 'close');
+    fire(this, 'close', {});
   }
 
   override focus() {
@@ -323,7 +323,7 @@
   private handleCloseTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEvent(this, 'close');
+    fire(this, 'close', {});
   }
 
   private schemesChanged() {
diff --git a/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.ts b/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.ts
index 97d6d77..69297f6 100644
--- a/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.ts
+++ b/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.ts
@@ -25,7 +25,7 @@
 import {DiffPreferencesInfo} from '../../../types/diff';
 import {GrDiffModeSelector} from '../../../embed/diff/gr-diff-mode-selector/gr-diff-mode-selector';
 import {GrButton} from '../../shared/gr-button/gr-button';
-import {fireEvent, fireEventNoBubbleNoCompose} from '../../../utils/event-util';
+import {fire, fireNoBubbleNoCompose} from '../../../utils/event-util';
 import {css, html, LitElement} from 'lit';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {when} from 'lit/directives/when.js';
@@ -362,11 +362,11 @@
   }
 
   private expandAllDiffs() {
-    fireEvent(this, 'expand-diffs');
+    fire(this, 'expand-diffs', {});
   }
 
   private collapseAllDiffs() {
-    fireEvent(this, 'collapse-diffs');
+    fire(this, 'collapse-diffs', {});
   }
 
   private computeExpandedClass(filesExpanded?: FilesExpandedState) {
@@ -403,13 +403,13 @@
 
   private handlePrefsTap(e: Event) {
     e.preventDefault();
-    fireEvent(this, 'open-diff-prefs');
+    fire(this, 'open-diff-prefs', {});
   }
 
   private handleDownloadTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubbleNoCompose(this, 'open-download-dialog');
+    fireNoBubbleNoCompose(this, 'open-download-dialog', {});
   }
 
   private computeEditModeClass(editMode?: boolean) {
diff --git a/polygerrit-ui/app/elements/change/gr-included-in-dialog/gr-included-in-dialog.ts b/polygerrit-ui/app/elements/change/gr-included-in-dialog/gr-included-in-dialog.ts
index c6eaef7..33dfe82 100644
--- a/polygerrit-ui/app/elements/change/gr-included-in-dialog/gr-included-in-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-included-in-dialog/gr-included-in-dialog.ts
@@ -12,7 +12,7 @@
 import {LitElement, PropertyValues, html, css} from 'lit';
 import {customElement, property, state} from 'lit/decorators.js';
 import {BindValueChangeEvent} from '../../../types/events';
-import {fireEventNoBubble} from '../../../utils/event-util';
+import {fireNoBubble} from '../../../utils/event-util';
 
 interface DisplayGroup {
   title: string;
@@ -198,7 +198,7 @@
   private handleCloseTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'close');
+    fireNoBubble(this, 'close', {});
   }
 }
 
diff --git a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts
index 3a56c13..a37be87 100644
--- a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts
@@ -93,9 +93,9 @@
 import {
   fireAlert,
   fireError,
-  fireEvent,
-  fireEventNoBubble,
-  fireEventNoBubbleNoCompose,
+  fire,
+  fireNoBubble,
+  fireNoBubbleNoCompose,
   fireIronAnnounce,
   fireReload,
   fireServerError,
@@ -1258,7 +1258,7 @@
     if (this.restApiService.hasPendingDiffDrafts()) {
       this.savingComments = true;
       this.restApiService.awaitPendingDiffDrafts().then(() => {
-        fireEvent(this, 'comment-refresh');
+        fire(this, 'comment-refresh', {});
         this.savingComments = false;
       });
     }
@@ -1448,7 +1448,7 @@
 
         this.patchsetLevelDraftMessage = '';
         this.includeComments = true;
-        fireEventNoBubble(this, 'send');
+        fireNoBubble(this, 'send', {});
         fireIronAnnounce(this, 'Reply sent');
         return;
       })
@@ -1562,7 +1562,7 @@
   onAttentionExpandedChange() {
     // If the attention-detail section is expanded without dispatching this
     // event, then the dialog may expand beyond the screen's bottom border.
-    fireEvent(this, 'iron-resize');
+    fire(this, 'iron-resize', {});
   }
 
   computeAttentionButtonTitle(sendDisabled?: boolean) {
@@ -1831,7 +1831,7 @@
   async cancel() {
     assertIsDefined(this.change, 'change');
     if (!this.change?.owner) throw new Error('missing required owner property');
-    fireEventNoBubble(this, 'cancel');
+    fireNoBubble(this, 'cancel', {});
     await this.patchsetLevelGrComment?.save();
     this.rebuildReviewerArrays();
   }
@@ -2039,7 +2039,7 @@
   }
 
   sendDisabledChanged() {
-    fireEventNoBubbleNoCompose(this, 'send-disabled-changed');
+    fireNoBubbleNoCompose(this, 'send-disabled-changed', {});
   }
 
   getReviewerSuggestionsProvider(change?: ChangeInfo | ParsedChangeInfo) {
diff --git a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_test.ts b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_test.ts
index f7b3aec..5bf6464 100644
--- a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_test.ts
+++ b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_test.ts
@@ -1886,7 +1886,7 @@
 
     // Remove and add to other field.
     reviewers.dispatchEvent(
-      new CustomEvent('remove', {
+      new CustomEvent('remove-account', {
         detail: {account: reviewer1},
         composed: true,
         bubbles: true,
@@ -1903,14 +1903,14 @@
       })
     );
     ccs.dispatchEvent(
-      new CustomEvent('remove', {
+      new CustomEvent('remove-account', {
         detail: {account: cc1},
         composed: true,
         bubbles: true,
       })
     );
     ccs.dispatchEvent(
-      new CustomEvent('remove', {
+      new CustomEvent('remove-account', {
         detail: {account: cc3},
         composed: true,
         bubbles: true,
diff --git a/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown.ts b/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown.ts
index 127c2ac..98dd574 100644
--- a/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown.ts
+++ b/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown.ts
@@ -8,7 +8,7 @@
 import {getUserName} from '../../../utils/display-name-util';
 import {AccountInfo, ServerInfo} from '../../../types/common';
 import {getAppContext} from '../../../services/app-context';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {
   DropdownContent,
   DropdownLink,
@@ -139,7 +139,7 @@
   }
 
   _handleShortcutsTap() {
-    fireEvent(this, 'show-keyboard-shortcuts');
+    fire(this, 'show-keyboard-shortcuts', {});
   }
 
   private readonly handleLocationChange = () => {
diff --git a/polygerrit-ui/app/elements/core/gr-error-dialog/gr-error-dialog.ts b/polygerrit-ui/app/elements/core/gr-error-dialog/gr-error-dialog.ts
index 224cc13..5510aa3 100644
--- a/polygerrit-ui/app/elements/core/gr-error-dialog/gr-error-dialog.ts
+++ b/polygerrit-ui/app/elements/core/gr-error-dialog/gr-error-dialog.ts
@@ -7,7 +7,7 @@
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, html, css} from 'lit';
 import {customElement, property} from 'lit/decorators.js';
-import {fireEventNoBubbleNoCompose} from '../../../utils/event-util';
+import {fireNoBubbleNoCompose} from '../../../utils/event-util';
 
 declare global {
   interface HTMLElementTagNameMap {
@@ -88,6 +88,6 @@
   }
 
   private handleConfirm() {
-    fireEventNoBubbleNoCompose(this, 'dismiss');
+    fireNoBubbleNoCompose(this, 'dismiss', {});
   }
 }
diff --git a/polygerrit-ui/app/elements/core/gr-keyboard-shortcuts-dialog/gr-keyboard-shortcuts-dialog.ts b/polygerrit-ui/app/elements/core/gr-keyboard-shortcuts-dialog/gr-keyboard-shortcuts-dialog.ts
index 68ff9e1..a359072 100644
--- a/polygerrit-ui/app/elements/core/gr-keyboard-shortcuts-dialog/gr-keyboard-shortcuts-dialog.ts
+++ b/polygerrit-ui/app/elements/core/gr-keyboard-shortcuts-dialog/gr-keyboard-shortcuts-dialog.ts
@@ -16,7 +16,7 @@
   ShortcutViewListener,
 } from '../../../services/shortcuts/shortcuts-service';
 import {resolve} from '../../../models/dependency';
-import {fireEventNoBubble} from '../../../utils/event-util';
+import {fireNoBubble} from '../../../utils/event-util';
 
 declare global {
   interface HTMLElementTagNameMap {
@@ -163,7 +163,7 @@
   private handleCloseTap(e: MouseEvent) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'close');
+    fireNoBubble(this, 'close', {});
   }
 
   onDirectoryUpdated(directory?: Map<ShortcutSection, SectionView>) {
diff --git a/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header.ts b/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header.ts
index e8768dd..beb843a 100644
--- a/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header.ts
+++ b/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header.ts
@@ -25,7 +25,7 @@
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, PropertyValues, html, css} from 'lit';
 import {customElement, property, state} from 'lit/decorators.js';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {resolve} from '../../../models/dependency';
 import {configModelToken} from '../../../models/config/config-model';
 import {userModelToken} from '../../../models/user/user-model';
@@ -644,6 +644,6 @@
   private onMobileSearchTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEvent(this, 'mobile-search');
+    fire(this, 'mobile-search', {});
   }
 }
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-host/gr-diff-host.ts b/polygerrit-ui/app/elements/diff/gr-diff-host/gr-diff-host.ts
index 79145db..facd1b6 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-host/gr-diff-host.ts
+++ b/polygerrit-ui/app/elements/diff/gr-diff-host/gr-diff-host.ts
@@ -58,9 +58,8 @@
   firePageError,
   fireAlert,
   fireServerError,
-  fireEvent,
-  waitForEventOnce,
   fire,
+  waitForEventOnce,
 } from '../../../utils/event-util';
 import {assertIsDefined} from '../../../utils/common-util';
 import {DiffContextExpandedEventDetail} from '../../../embed/diff/gr-diff-builder/gr-diff-builder';
@@ -124,7 +123,7 @@
 declare global {
   interface HTMLElementEventMap {
     /* prettier-ignore */
-    'render': CustomEvent<void>;
+    'render': CustomEvent<{}>;
     'diff-context-expanded': CustomEvent<DiffContextExpandedEventDetail>;
     'create-comment': CustomEvent<CreateCommentEventDetail>;
     'is-blame-loaded-changed': ValueChangedEvent<boolean>;
@@ -135,7 +134,7 @@
     // Fired when the user selects a line (See gr-diff).
     'line-selected': CustomEvent<LineSelectedEventDetail>;
     // Fired if being logged in is required.
-    'show-auth-required': void;
+    'show-auth-required': CustomEvent<{}>;
   }
 }
 
@@ -1242,7 +1241,7 @@
 
   private canCommentOnPatchSetNum(patchNum: PatchSetNum) {
     if (!this.loggedIn) {
-      fireEvent(this, 'show-auth-required');
+      fire(this, 'show-auth-required', {});
       return false;
     }
     if (!this.patchRange) {
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-preferences-dialog/gr-diff-preferences-dialog.ts b/polygerrit-ui/app/elements/diff/gr-diff-preferences-dialog/gr-diff-preferences-dialog.ts
index 226d7e3..d580127 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-preferences-dialog/gr-diff-preferences-dialog.ts
+++ b/polygerrit-ui/app/elements/diff/gr-diff-preferences-dialog/gr-diff-preferences-dialog.ts
@@ -12,7 +12,7 @@
 import {customElement, query, state} from 'lit/decorators.js';
 import {ValueChangedEvent} from '../../../types/events';
 import {modalStyles} from '../../../styles/gr-modal-styles';
-import {fireEventNoBubble} from '../../../utils/event-util';
+import {fireNoBubble} from '../../../utils/event-util';
 
 @customElement('gr-diff-preferences-dialog')
 export class GrDiffPreferencesDialog extends LitElement {
@@ -121,7 +121,7 @@
     assertIsDefined(this.diffPreferences, 'diffPreferences');
     assertIsDefined(this.diffPrefsModal, 'diffPrefsModal');
     await this.diffPreferences.save();
-    fireEventNoBubble(this, 'reload-diff-preference');
+    fireNoBubble(this, 'reload-diff-preference', {});
     this.diffPrefsModal.close();
   }
 
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts b/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts
index b9074b4..14eb505 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts
+++ b/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts
@@ -58,7 +58,7 @@
 import {GrApplyFixDialog} from '../gr-apply-fix-dialog/gr-apply-fix-dialog';
 import {CommentMap} from '../../../utils/comment-util';
 import {OpenFixPreviewEvent, ValueChangedEvent} from '../../../types/events';
-import {fireAlert, fireEvent, fireTitleChange} from '../../../utils/event-util';
+import {fireAlert, fire, fireTitleChange} from '../../../utils/event-util';
 import {assertIsDefined, queryAndAssert} from '../../../utils/common-util';
 import {toggleClass, whenVisible} from '../../../utils/dom-util';
 import {CursorMoveResult} from '../../../api/core';
@@ -1197,7 +1197,7 @@
   // Similar to gr-change-view.handleOpenReplyDialog
   private handleOpenReplyDialog() {
     if (!this.loggedIn) {
-      fireEvent(this, 'show-auth-required');
+      fire(this, 'show-auth-required', {});
       return;
     }
     this.getChangeModel().navigateToChange(true);
diff --git a/polygerrit-ui/app/elements/diff/gr-patch-range-select/gr-patch-range-select_test.ts b/polygerrit-ui/app/elements/diff/gr-patch-range-select/gr-patch-range-select_test.ts
index 584fcd7..3813946 100644
--- a/polygerrit-ui/app/elements/diff/gr-patch-range-select/gr-patch-range-select_test.ts
+++ b/polygerrit-ui/app/elements/diff/gr-patch-range-select/gr-patch-range-select_test.ts
@@ -469,10 +469,10 @@
     await element.updateComplete;
 
     const stub = stubReporting('reportInteraction');
-    fire(element.patchNumDropdown!, 'value-change', {value: '1'});
+    fire(element.patchNumDropdown, 'value-change', {value: '1'});
     assert.isFalse(stub.called);
 
-    fire(element.patchNumDropdown!, 'value-change', {value: '2'});
+    fire(element.patchNumDropdown, 'value-change', {value: '2'});
     assert.isTrue(stub.called);
   });
 });
diff --git a/polygerrit-ui/app/elements/settings/gr-account-info/gr-account-info.ts b/polygerrit-ui/app/elements/settings/gr-account-info/gr-account-info.ts
index be055aa..89513e3 100644
--- a/polygerrit-ui/app/elements/settings/gr-account-info/gr-account-info.ts
+++ b/polygerrit-ui/app/elements/settings/gr-account-info/gr-account-info.ts
@@ -15,7 +15,7 @@
 import {AccountDetailInfo, ServerInfo} from '../../../types/common';
 import {EditableAccountField} from '../../../constants/constants';
 import {getAppContext} from '../../../services/app-context';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {LitElement, css, html, nothing, PropertyValues} from 'lit';
 import {customElement, property, state} from 'lit/decorators.js';
 import {sharedStyles} from '../../../styles/shared-styles';
@@ -335,7 +335,7 @@
         this.hasDisplayNameChange = false;
         this.hasStatusChange = false;
         this.saving = false;
-        fireEvent(this, 'account-detail-update');
+        fire(this, 'account-detail-update', {});
       });
   }
 
diff --git a/polygerrit-ui/app/elements/settings/gr-registration-dialog/gr-registration-dialog.ts b/polygerrit-ui/app/elements/settings/gr-registration-dialog/gr-registration-dialog.ts
index c859f79..c6c023e 100644
--- a/polygerrit-ui/app/elements/settings/gr-registration-dialog/gr-registration-dialog.ts
+++ b/polygerrit-ui/app/elements/settings/gr-registration-dialog/gr-registration-dialog.ts
@@ -9,7 +9,7 @@
 import {ServerInfo, AccountDetailInfo} from '../../../types/common';
 import {EditableAccountField} from '../../../constants/constants';
 import {getAppContext} from '../../../services/app-context';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {LitElement, css, html, PropertyValues} from 'lit';
 import {customElement, property, query, state} from 'lit/decorators.js';
 import {sharedStyles} from '../../../styles/shared-styles';
@@ -287,7 +287,7 @@
 
     return Promise.all(promises).then(() => {
       this.saving = false;
-      fireEvent(this, 'account-detail-update');
+      fire(this, 'account-detail-update', {});
     });
   }
 
@@ -303,7 +303,7 @@
 
   private close() {
     this.saving = true; // disable buttons indefinitely
-    fireEvent(this, 'close');
+    fire(this, 'close', {});
   }
 
   // private but used in test
diff --git a/polygerrit-ui/app/elements/shared/gr-account-chip/gr-account-chip.ts b/polygerrit-ui/app/elements/shared/gr-account-chip/gr-account-chip.ts
index e8c5c92..d7c6c8b 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-chip/gr-account-chip.ts
+++ b/polygerrit-ui/app/elements/shared/gr-account-chip/gr-account-chip.ts
@@ -199,7 +199,7 @@
   private handleRemoveTap(e: MouseEvent) {
     e.preventDefault();
     if (!this.account) return;
-    fire(this, 'remove', {account: this.account});
+    fire(this, 'remove-account', {account: this.account});
   }
 
   private getHasAvatars() {
@@ -230,7 +230,6 @@
     'gr-account-chip': GrAccountChip;
   }
   interface HTMLElementEventMap {
-    /* prettier-ignore */
-    'remove': RemoveAccountEvent;
+    'remove-account': RemoveAccountEvent;
   }
 }
diff --git a/polygerrit-ui/app/elements/shared/gr-account-entry/gr-account-entry.ts b/polygerrit-ui/app/elements/shared/gr-account-entry/gr-account-entry.ts
index f07bee6..9c8bd1b 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-entry/gr-account-entry.ts
+++ b/polygerrit-ui/app/elements/shared/gr-account-entry/gr-account-entry.ts
@@ -15,7 +15,7 @@
 import {AddAccountEvent, BindValueChangeEvent} from '../../../types/events';
 import {SuggestedReviewerInfo} from '../../../types/common';
 import {PaperInputElement} from '@polymer/paper-input/paper-input';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 
 /**
  * gr-account-entry is an element for entering account
@@ -105,7 +105,7 @@
 
   private inputTextChanged() {
     if (this.inputText.length && this.allowAnyInput) {
-      fireEvent(this, 'account-text-changed');
+      fire(this, 'account-text-changed', {});
     }
   }
 
@@ -129,6 +129,6 @@
      * changed. This is needed so that the reply dialog's save button can be
      * enabled for arbitrary cc's, which don't need a 'commit'.
      */
-    'account-text-changed': CustomEvent<void>;
+    'account-text-changed': CustomEvent<{}>;
   }
 }
diff --git a/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label.ts b/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label.ts
index 0f85266..1db100f 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label.ts
+++ b/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label.ts
@@ -13,7 +13,7 @@
 import {isSelf, isServiceUser} from '../../../utils/account-util';
 import {ChangeInfo, AccountInfo, ServerInfo} from '../../../types/common';
 import {assertIsDefined, hasOwnProperty} from '../../../utils/common-util';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {isInvolved} from '../../../utils/change-util';
 import {EventType} from '../../../types/events';
 import {LitElement, css, html, TemplateResult} from 'lit';
@@ -388,7 +388,7 @@
         reason
       )
       .then(() => {
-        fireEvent(this, 'hide-alert');
+        fire(this, 'hide-alert', {});
       });
   }
 
diff --git a/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list.ts b/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list.ts
index 9034259..8339df9 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list.ts
+++ b/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list.ts
@@ -152,7 +152,7 @@
   constructor() {
     super();
     this.querySuggestions = input => this.getSuggestions(input);
-    this.addEventListener('remove', e =>
+    this.addEventListener('remove-account', e =>
       this.handleRemove(e as CustomEvent<{account: AccountInput}>)
     );
   }
diff --git a/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list_test.ts b/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list_test.ts
index 814b623..6a1d825 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list_test.ts
+++ b/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list_test.ts
@@ -154,7 +154,7 @@
 
     // Removed accounts are taken out of the list.
     element.dispatchEvent(
-      new CustomEvent('remove', {
+      new CustomEvent('remove-account', {
         detail: {account: existingAccount1},
         composed: true,
         bubbles: true,
@@ -168,14 +168,14 @@
 
     // Invalid remove is ignored.
     element.dispatchEvent(
-      new CustomEvent('remove', {
+      new CustomEvent('remove-account', {
         detail: {account: existingAccount1},
         composed: true,
         bubbles: true,
       })
     );
     element.dispatchEvent(
-      new CustomEvent('remove', {
+      new CustomEvent('remove-account', {
         detail: {account: newAccount},
         composed: true,
         bubbles: true,
@@ -197,7 +197,7 @@
 
     // Removed groups are taken out of the list.
     element.dispatchEvent(
-      new CustomEvent('remove', {
+      new CustomEvent('remove-account', {
         detail: {account: newGroup},
         composed: true,
         bubbles: true,
diff --git a/polygerrit-ui/app/elements/shared/gr-autocomplete-dropdown/gr-autocomplete-dropdown.ts b/polygerrit-ui/app/elements/shared/gr-autocomplete-dropdown/gr-autocomplete-dropdown.ts
index 8620260..4b27948 100644
--- a/polygerrit-ui/app/elements/shared/gr-autocomplete-dropdown/gr-autocomplete-dropdown.ts
+++ b/polygerrit-ui/app/elements/shared/gr-autocomplete-dropdown/gr-autocomplete-dropdown.ts
@@ -6,7 +6,7 @@
 import '../gr-cursor-manager/gr-cursor-manager';
 import '../../../styles/shared-styles';
 import {GrCursorManager} from '../gr-cursor-manager/gr-cursor-manager';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {Key} from '../../../utils/dom-util';
 import {FitController} from '../../lit/fit-controller';
 import {css, html, LitElement, PropertyValues} from 'lit';
@@ -316,7 +316,7 @@
   }
 
   private fireClose() {
-    fireEvent(this, 'dropdown-closed');
+    fire(this, 'dropdown-closed', {});
   }
 
   getCursorTarget() {
diff --git a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.ts b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.ts
index 9b0fa7b..a2be983 100644
--- a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.ts
+++ b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete.ts
@@ -13,7 +13,7 @@
   GrAutocompleteDropdown,
   ItemSelectedEventDetail,
 } from '../gr-autocomplete-dropdown/gr-autocomplete-dropdown';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {
   debounce,
   DelayedTask,
@@ -614,7 +614,7 @@
       this.activeQueryId = 0;
       this.requestUpdate();
     } else {
-      fireEvent(this, 'cancel');
+      fire(this, 'cancel', {});
     }
   }
 
diff --git a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
index 07e6b3a..d271e60 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
@@ -44,7 +44,7 @@
   ReplyToCommentEventDetail,
   ValueChangedEvent,
 } from '../../../types/events';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {assertIsDefined, assert} from '../../../utils/common-util';
 import {Key, Modifier, whenVisible} from '../../../utils/dom-util';
 import {commentsModelToken} from '../../../models/comments/comments-model';
@@ -1015,7 +1015,7 @@
   }
 
   private handleCopyLink() {
-    fireEvent(this, 'copy-comment-link');
+    fire(this, 'copy-comment-link', {});
   }
 
   /** Enter editing mode. */
diff --git a/polygerrit-ui/app/elements/shared/gr-confirm-delete-comment-dialog/gr-confirm-delete-comment-dialog.ts b/polygerrit-ui/app/elements/shared/gr-confirm-delete-comment-dialog/gr-confirm-delete-comment-dialog.ts
index 737984f..e8ab172 100644
--- a/polygerrit-ui/app/elements/shared/gr-confirm-delete-comment-dialog/gr-confirm-delete-comment-dialog.ts
+++ b/polygerrit-ui/app/elements/shared/gr-confirm-delete-comment-dialog/gr-confirm-delete-comment-dialog.ts
@@ -11,7 +11,7 @@
 import {sharedStyles} from '../../../styles/shared-styles';
 import {assertIsDefined} from '../../../utils/common-util';
 import {BindValueChangeEvent} from '../../../types/events';
-import {fireEventNoBubble, fireNoBubble} from '../../../utils/event-util';
+import {fireNoBubble} from '../../../utils/event-util';
 
 declare global {
   interface HTMLElementTagNameMap {
@@ -115,6 +115,6 @@
   private handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'cancel');
+    fireNoBubble(this, 'cancel', {});
   }
 }
diff --git a/polygerrit-ui/app/elements/shared/gr-dialog/gr-dialog.ts b/polygerrit-ui/app/elements/shared/gr-dialog/gr-dialog.ts
index c5ad676..6536806 100644
--- a/polygerrit-ui/app/elements/shared/gr-dialog/gr-dialog.ts
+++ b/polygerrit-ui/app/elements/shared/gr-dialog/gr-dialog.ts
@@ -10,7 +10,7 @@
 import {sharedStyles} from '../../../styles/shared-styles';
 import {fontStyles} from '../../../styles/gr-font-styles';
 import {when} from 'lit/directives/when.js';
-import {fireEventNoBubble} from '../../../utils/event-util';
+import {fireNoBubble} from '../../../utils/event-util';
 
 declare global {
   interface HTMLElementTagNameMap {
@@ -200,13 +200,13 @@
 
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'confirm');
+    fireNoBubble(this, 'confirm', {});
   }
 
   private handleCancelTap(e: Event) {
     e.preventDefault();
     e.stopPropagation();
-    fireEventNoBubble(this, 'cancel');
+    fireNoBubble(this, 'cancel', {});
   }
 
   _handleKeydown(e: KeyboardEvent) {
diff --git a/polygerrit-ui/app/elements/shared/gr-editable-content/gr-editable-content.ts b/polygerrit-ui/app/elements/shared/gr-editable-content/gr-editable-content.ts
index f52e5c1..3110a96 100644
--- a/polygerrit-ui/app/elements/shared/gr-editable-content/gr-editable-content.ts
+++ b/polygerrit-ui/app/elements/shared/gr-editable-content/gr-editable-content.ts
@@ -10,7 +10,7 @@
 import '../../plugins/gr-endpoint-decorator/gr-endpoint-decorator';
 import '../../plugins/gr-endpoint-param/gr-endpoint-param';
 import '../../plugins/gr-endpoint-slot/gr-endpoint-slot';
-import {fire, fireAlert, fireEvent} from '../../../utils/event-util';
+import {fire, fireAlert} from '../../../utils/event-util';
 import {getAppContext} from '../../../services/app-context';
 import {debounce, DelayedTask} from '../../../utils/async-util';
 import {queryAndAssert} from '../../../utils/common-util';
@@ -391,7 +391,7 @@
   handleCancel(e: Event) {
     e.preventDefault();
     this.editing = false;
-    fireEvent(this, 'editable-content-cancel');
+    fire(this, 'editable-content-cancel', {});
   }
 
   toggleCommitCollapsed() {
diff --git a/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account-contents.ts b/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account-contents.ts
index c955f4ea..ffef43d 100644
--- a/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account-contents.ts
+++ b/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account-contents.ts
@@ -44,7 +44,7 @@
 import {configModelToken} from '../../../models/config/config-model';
 import {createSearchUrl} from '../../../models/views/search';
 import {createDashboardUrl} from '../../../models/views/dashboard';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {userModelToken} from '../../../models/user/user-model';
 
 @customElement('gr-hovercard-account-contents')
@@ -251,10 +251,10 @@
       <a
         href=${ifDefined(this.computeOwnerChangesLink())}
         @click=${() => {
-          fireEvent(this, 'link-clicked');
+          fire(this, 'link-clicked', {});
         }}
         @enter=${() => {
-          fireEvent(this, 'link-clicked');
+          fire(this, 'link-clicked', {});
         }}
       >
         Changes
@@ -263,10 +263,10 @@
       <a
         href=${ifDefined(this.computeOwnerDashboardLink())}
         @click=${() => {
-          fireEvent(this, 'link-clicked');
+          fire(this, 'link-clicked', {});
         }}
         @enter=${() => {
-          fireEvent(this, 'link-clicked');
+          fire(this, 'link-clicked', {});
         }}
       >
         Dashboard
@@ -501,7 +501,7 @@
       reason,
       reason_account: this.selfAccount,
     };
-    fireEvent(this, 'attention-set-updated');
+    fire(this, 'attention-set-updated', {});
 
     this.reporting.reportInteraction(
       'attention-hovercard-add',
@@ -510,9 +510,9 @@
     this.restApiService
       .addToAttentionSet(this.change._number, this.account._account_id, reason)
       .then(() => {
-        fireEvent(this, 'hide-alert');
+        fire(this, 'hide-alert', {});
       });
-    fireEvent(this, 'action-taken');
+    fire(this, 'action-taken', {});
   }
 
   private handleClickRemoveFromAttentionSet() {
@@ -528,7 +528,7 @@
     const reason = getRemovedByReason(this.selfAccount, this.serverConfig);
     if (this.change.attention_set)
       delete this.change.attention_set[this.account._account_id];
-    fireEvent(this, 'attention-set-updated');
+    fire(this, 'attention-set-updated', {});
 
     this.reporting.reportInteraction(
       'attention-hovercard-remove',
@@ -541,9 +541,9 @@
         reason
       )
       .then(() => {
-        fireEvent(this, 'hide-alert');
+        fire(this, 'hide-alert', {});
       });
-    fireEvent(this, 'action-taken');
+    fire(this, 'action-taken', {});
   }
 
   private reportingDetails() {
diff --git a/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip.ts b/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip.ts
index e48dcb3..7717683 100644
--- a/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip.ts
+++ b/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip.ts
@@ -6,7 +6,7 @@
 import '../gr-button/gr-button';
 import '../gr-icon/gr-icon';
 import '../gr-limited-text/gr-limited-text';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, css, html} from 'lit';
 import {customElement, property} from 'lit/decorators.js';
@@ -15,6 +15,11 @@
   interface HTMLElementTagNameMap {
     'gr-linked-chip': GrLinkedChip;
   }
+  interface HTMLElementEventMap {
+    /** Fired when the 'remove' button was clicked. */
+    // prettier-ignore
+    'remove': CustomEvent<{}>;
+  }
 }
 
 @customElement('gr-linked-chip')
@@ -101,6 +106,6 @@
 
   private handleRemoveTap(e: Event) {
     e.preventDefault();
-    fireEvent(this, 'remove');
+    fire(this, 'remove', {});
   }
 }
diff --git a/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view.ts b/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view.ts
index 7f18201..ea45142 100644
--- a/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view.ts
+++ b/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view.ts
@@ -7,7 +7,7 @@
 import '../gr-button/gr-button';
 import '../gr-icon/gr-icon';
 import {encodeURL, getBaseUrl} from '../../../utils/url-util';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {debounce, DelayedTask} from '../../../utils/async-util';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, PropertyValues, css, html} from 'lit';
@@ -183,7 +183,7 @@
   }
 
   private createNewItem() {
-    fireEvent(this, 'create-clicked');
+    fire(this, 'create-clicked', {});
   }
 
   // private but used in test
diff --git a/polygerrit-ui/app/embed/diff/gr-diff-builder/gr-diff-builder-element.ts b/polygerrit-ui/app/embed/diff/gr-diff-builder/gr-diff-builder-element.ts
index 12d7ec2..71a0637 100644
--- a/polygerrit-ui/app/embed/diff/gr-diff-builder/gr-diff-builder-element.ts
+++ b/polygerrit-ui/app/embed/diff/gr-diff-builder/gr-diff-builder-element.ts
@@ -41,7 +41,7 @@
   hideInContextControl,
 } from '../gr-diff/gr-diff-group';
 import {getLineNumber, getSideByLineEl} from '../gr-diff/gr-diff-utils';
-import {fireAlert, fireEvent} from '../../../utils/event-util';
+import {fireAlert, fire} from '../../../utils/event-util';
 import {assertIsDefined} from '../../../utils/common-util';
 
 const TRAILING_WHITESPACE_PATTERN = /\s+$/;
@@ -201,7 +201,7 @@
 
     const isBinary = !!(this.isImageDiff || this.diff.binary);
 
-    this.fireDiffEvent('render-start');
+    fire(this.diffElement, 'render-start', {});
     // TODO: processor.process() returns a cancelable promise already.
     // Why wrap another one around it?
     this.cancelableRenderPromise = makeCancelable(
@@ -215,7 +215,7 @@
             this.builder.renderImageDiff();
           }
           await this.untilGroupsRendered();
-          this.fireDiffEvent('render-content');
+          fire(this.diffElement, 'render-content', {});
         })
         // Mocha testing does not like uncaught rejections, so we catch
         // the cancels which are expected and should not throw errors in
@@ -243,11 +243,6 @@
     this.replaceGroup(e.detail.contextGroup, e.detail.groups);
   };
 
-  private fireDiffEvent<K extends keyof HTMLElementEventMap>(type: K) {
-    assertIsDefined(this.diffElement, 'diff table');
-    fireEvent(this.diffElement, type);
-  }
-
   // visible for testing
   setupAnnotationLayers() {
     this.rangeLayer = new GrRangedCommentLayer();
@@ -360,12 +355,12 @@
     newGroups: readonly GrDiffGroup[]
   ) {
     if (!this.builder) return;
-    this.fireDiffEvent('render-start');
+    fire(this.diffElement, 'render-start', {});
     this.builder.replaceGroup(contextGroup, newGroups);
     this.groups = this.groups.filter(g => g !== contextGroup);
     this.groups.push(...newGroups);
     this.untilGroupsRendered(newGroups).then(() => {
-      this.fireDiffEvent('render-content');
+      fire(this.diffElement, 'render-content', {});
     });
   }
 
diff --git a/polygerrit-ui/app/embed/diff/gr-diff/gr-diff.ts b/polygerrit-ui/app/embed/diff/gr-diff/gr-diff.ts
index b21d7d6..34e9d5a 100644
--- a/polygerrit-ui/app/embed/diff/gr-diff/gr-diff.ts
+++ b/polygerrit-ui/app/embed/diff/gr-diff/gr-diff.ts
@@ -45,7 +45,7 @@
   Side,
 } from '../../../constants/constants';
 import {KeyLocations} from '../gr-diff-processor/gr-diff-processor';
-import {fire, fireAlert, fireEvent} from '../../../utils/event-util';
+import {fire, fireAlert} from '../../../utils/event-util';
 import {MovedLinkClickedEvent, ValueChangedEvent} from '../../../types/events';
 import {getContentEditableRange} from '../../../utils/safari-selection-util';
 import {AbortStop} from '../../../api/core';
@@ -1273,10 +1273,10 @@
     threadEl: GrDiffThreadElement
   ) {
     hoverEl.addEventListener('mouseenter', () => {
-      fireEvent(threadEl, 'comment-thread-mouseenter');
+      fire(threadEl, 'comment-thread-mouseenter', {});
     });
     hoverEl.addEventListener('mouseleave', () => {
-      fireEvent(threadEl, 'comment-thread-mouseleave');
+      fire(threadEl, 'comment-thread-mouseleave', {});
     });
   }
 
@@ -1561,10 +1561,10 @@
     // (client), although it was not actually rendered. Clients need to know
     // when it is safe to perform operations like cursor moves, for example,
     // and if changing an input actually requires a reload of the diff table.
-    // Since `fireEvent` is synchronous it allows clients to be aware when an
+    // Since `fire` is synchronous it allows clients to be aware when an
     // async render is needed and that they can wait for a further `render`
     // event to actually take further action.
-    fireEvent(this, 'render-required');
+    fire(this, 'render-required', {});
     this.renderDiffTableTask = debounceP(
       this.renderDiffTableTask,
       async () => await this.renderDiffTable()
@@ -1579,7 +1579,7 @@
   async renderDiffTable() {
     this.unobserveNodes();
     if (!this.diff || !this.prefs) {
-      fireEvent(this, 'render');
+      fire(this, 'render', {});
       return;
     }
     if (
@@ -1589,7 +1589,7 @@
       this.safetyBypass === null
     ) {
       this.showWarning = true;
-      fireEvent(this, 'render');
+      fire(this, 'render', {});
       return;
     }
 
@@ -1633,7 +1633,7 @@
     this.observeNodes();
     // We are just converting 'render-content' into 'render' here. Maybe we
     // should retire the 'render' event in favor of 'render-content'?
-    fireEvent(this, 'render');
+    fire(this, 'render', {});
   }
 
   private observeNodes() {
diff --git a/polygerrit-ui/app/embed/diff/gr-selection-action-box/gr-selection-action-box.ts b/polygerrit-ui/app/embed/diff/gr-selection-action-box/gr-selection-action-box.ts
index 982f0f5..68aa3b4 100644
--- a/polygerrit-ui/app/embed/diff/gr-selection-action-box/gr-selection-action-box.ts
+++ b/polygerrit-ui/app/embed/diff/gr-selection-action-box/gr-selection-action-box.ts
@@ -5,7 +5,7 @@
  */
 import '../../../elements/shared/gr-tooltip/gr-tooltip';
 import {GrTooltip} from '../../../elements/shared/gr-tooltip/gr-tooltip';
-import {fireEvent} from '../../../utils/event-util';
+import {fire} from '../../../utils/event-util';
 import {css, html, LitElement} from 'lit';
 import {customElement, property, query, state} from 'lit/decorators.js';
 import {sharedStyles} from '../../../styles/shared-styles';
@@ -131,6 +131,6 @@
     } // 0 = main button
     e.preventDefault();
     e.stopPropagation();
-    fireEvent(this, 'create-comment-requested');
+    fire(this, 'create-comment-requested', {});
   }
 }
diff --git a/polygerrit-ui/app/models/checks/checks-model.ts b/polygerrit-ui/app/models/checks/checks-model.ts
index 4715abf..2aa4aa4 100644
--- a/polygerrit-ui/app/models/checks/checks-model.ts
+++ b/polygerrit-ui/app/models/checks/checks-model.ts
@@ -51,7 +51,7 @@
 import {getShaByPatchNum} from '../../utils/patch-set-util';
 import {ReportingService} from '../../services/gr-reporting/gr-reporting';
 import {Execution, Interaction, Timing} from '../../constants/reporting';
-import {fireAlert, fireEvent} from '../../utils/event-util';
+import {fireAlert, fire} from '../../utils/event-util';
 import {Model} from '../model';
 import {define} from '../dependency';
 import {
@@ -716,7 +716,7 @@
         if (result.errorMessage || result.message) {
           fireAlert(document, `${result.message ?? result.errorMessage}`);
         } else {
-          fireEvent(document, 'hide-alert');
+          fire(document, 'hide-alert', {});
         }
         if (result.shouldReload) {
           this.reloadForCheck(run?.checkName);
diff --git a/polygerrit-ui/app/models/comments/comments-model.ts b/polygerrit-ui/app/models/comments/comments-model.ts
index 1fdf342..65e3c590 100644
--- a/polygerrit-ui/app/models/comments/comments-model.ts
+++ b/polygerrit-ui/app/models/comments/comments-model.ts
@@ -31,7 +31,7 @@
 import {select} from '../../utils/observable-util';
 import {define} from '../dependency';
 import {combineLatest, forkJoin, from, Observable, of} from 'rxjs';
-import {fire, fireAlert, fireEvent} from '../../utils/event-util';
+import {fire, fireAlert} from '../../utils/event-util';
 import {CURRENT} from '../../utils/patch-set-util';
 import {RestApiService} from '../../services/gr-rest-api/gr-rest-api';
 import {ChangeModel} from '../change/change-model';
@@ -693,7 +693,7 @@
 
   private updateRequestToast(requestFailed?: boolean) {
     if (this.numPendingDraftRequests === 0 && !requestFailed) {
-      fireEvent(document, 'hide-alert');
+      fire(document, 'hide-alert', {});
       return;
     }
     const message = getSavingMessage(
diff --git a/polygerrit-ui/app/types/events.ts b/polygerrit-ui/app/types/events.ts
index 0dc1a65..3bb5dd3 100644
--- a/polygerrit-ui/app/types/events.ts
+++ b/polygerrit-ui/app/types/events.ts
@@ -61,6 +61,8 @@
     /* prettier-ignore */
     'changed': ChangedEvent;
     /* prettier-ignore */
+    'close': CustomEvent<{}>;
+    /* prettier-ignore */
     'commit': AutocompleteCommitEvent;
     /** Fired when a 'confirm' button in a dialog was pressed. */
     // prettier-ignore
diff --git a/polygerrit-ui/app/utils/event-util.ts b/polygerrit-ui/app/utils/event-util.ts
index 79bae6a..12361b9 100644
--- a/polygerrit-ui/app/utils/event-util.ts
+++ b/polygerrit-ui/app/utils/event-util.ts
@@ -11,42 +11,6 @@
   TabState,
 } from '../types/events';
 
-export function fireEvent<K extends keyof HTMLElementEventMap>(
-  target: EventTarget,
-  type: K
-) {
-  target.dispatchEvent(
-    new CustomEvent(type, {
-      composed: true,
-      bubbles: true,
-    })
-  );
-}
-
-export function fireEventNoBubble<K extends keyof HTMLElementEventMap>(
-  target: EventTarget,
-  type: K
-) {
-  target.dispatchEvent(
-    new CustomEvent(type, {
-      composed: true,
-      bubbles: false,
-    })
-  );
-}
-
-export function fireEventNoBubbleNoCompose<K extends keyof HTMLElementEventMap>(
-  target: EventTarget,
-  type: K
-) {
-  target.dispatchEvent(
-    new CustomEvent(type, {
-      composed: false,
-      bubbles: false,
-    })
-  );
-}
-
 export type HTMLElementEventDetailType<K extends keyof HTMLElementEventMap> =
   HTMLElementEventMap[K] extends CustomEvent<infer DT> ? DT : never;
 
@@ -54,18 +18,23 @@
   DocumentEventMap[K] extends CustomEvent<infer DT> ? DT : never;
 
 export function fire<K extends keyof DocumentEventMap>(
-  target: Document,
+  target: Document | undefined,
   type: K,
   detail: DocumentEventDetailType<K>
 ): void;
 
 export function fire<K extends keyof HTMLElementEventMap>(
-  target: EventTarget,
+  target: EventTarget | undefined,
   type: K,
   detail: HTMLElementEventDetailType<K>
 ): void;
 
-export function fire<T>(target: EventTarget, type: string, detail: T) {
+export function fire<T>(
+  target: EventTarget | undefined,
+  type: string,
+  detail: T
+) {
+  if (!target) return;
   target.dispatchEvent(
     new CustomEvent<T>(type, {
       detail,