diff --git a/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list.ts b/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list.ts
index 6a32834..dc04e38 100644
--- a/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list.ts
+++ b/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list.ts
@@ -399,7 +399,7 @@
       hasRobotComment,
       hasHumanReplyToRobotComment,
       unresolved: !!lastComment && !!lastComment.unresolved,
-      isEditing: !!lastComment && !!lastComment.__editing,
+      isEditing: isDraft(lastComment) && !!lastComment.__editing,
       hasDraft: !!lastComment && isDraft(lastComment),
       updated,
     };
diff --git a/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_test.js b/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_test.js
index 945cca9..622e1a2 100644
--- a/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_test.js
+++ b/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_test.js
@@ -568,6 +568,7 @@
     modifiedThreads[5].comments.push({
       ...modifiedThreads[5].comments[0],
       __editing: true,
+      __draft: true,
     });
     element.threads = modifiedThreads;
     MockInteractions.tap(element.shadowRoot.querySelector('#draftToggle'));
diff --git a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.ts b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.ts
index b5efff6..0e0ee0c 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.ts
@@ -400,15 +400,6 @@
     if (!id) throw new Error('Cannot reply to comment without id.');
     const reply = this._newReply(id, content, unresolved);
 
-    // If there is currently a comment in an editing state, add an attribute
-    // so that the gr-comment knows not to populate the draft text.
-    for (let i = 0; i < this.comments.length; i++) {
-      if (this.comments[i].__editing) {
-        reply.__otherEditing = true;
-        break;
-      }
-    }
-
     if (isEditing) {
       reply.__editing = true;
     }
@@ -565,7 +556,7 @@
     // Check to see if there are any other open comments getting edited and
     // set the local storage value to its message value.
     for (const changeComment of this.comments) {
-      if (changeComment.__editing) {
+      if (isDraft(changeComment) && changeComment.__editing) {
         const commentLocation: StorageLocation = {
           changeNum: this.changeNum,
           patchNum: this.patchNum,
diff --git a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.ts b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.ts
index 175311e..c1367a6 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.ts
@@ -605,31 +605,6 @@
     );
   });
 
-  test('first editing comment does not add __otherEditing attribute', () => {
-    element.comments = [
-      {
-        author: {
-          name: 'Mr. Peanutbutter',
-          email: ('tenn1sballchaser@aol.com' as EmailAddress) as EmailAddress,
-        },
-        id: 'baf0414d_60047215' as UrlEncodedCommentId,
-        line: 5,
-        path: 'test',
-        message: 'is this a crossover episode!?',
-        updated: '2015-12-08 19:48:33.843000000' as Timestamp,
-        __draft: true,
-      },
-    ];
-
-    const replyBtn = element.$.replyBtn;
-    tap(replyBtn);
-    flush();
-
-    const editing = element._orderedComments.filter(c => c.__editing === true);
-    assert.equal(editing.length, 1);
-    assert.equal(!!editing[0].__otherEditing, false);
-  });
-
   test(
     'When not editing other comments, local storage not set' + ' after discard',
     done => {
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 73f3614..1401208 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
@@ -155,10 +155,10 @@
   changeNum?: NumericChangeId;
 
   @property({type: Object, notify: true, observer: '_commentChanged'})
-  comment?: UIComment | UIRobot;
+  comment?: UIComment;
 
   @property({type: Array})
-  comments?: (UIComment | UIRobot)[];
+  comments?: UIComment[];
 
   @property({type: Boolean, reflectToAttribute: true})
   isRobotComment = false;
@@ -477,7 +477,7 @@
   }
 
   _commentChanged(comment: UIComment) {
-    this.editing = !!comment.__editing;
+    this.editing = isDraft(comment) && !!comment.__editing;
     this.resolved = !comment.unresolved;
     if (this.editing) {
       // It's a new draft/reply, notify.
@@ -547,7 +547,7 @@
         cancelButton.hidden = !editing;
       }
     }
-    if (this.comment) {
+    if (isDraft(this.comment)) {
       this.comment.__editing = this.editing;
     }
     if (!!editing !== !!previousValue) {
@@ -921,17 +921,7 @@
 
     // Only apply local drafts to comments that haven't been saved
     // remotely, and haven't been given a default message already.
-    //
-    // Don't get local draft if there is another comment that is currently
-    // in an editing state.
-    if (
-      !comment ||
-      comment.id ||
-      comment.message ||
-      comment.__otherEditing ||
-      !comment.path
-    ) {
-      if (comment) delete comment.__otherEditing;
+    if (!comment || comment.id || comment.message || !comment.path) {
       return;
     }
 
diff --git a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.js b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.js
index 3026f4a..1c85523 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.js
+++ b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.js
@@ -129,7 +129,6 @@
           email: 'tenn1sballchaser@aol.com',
         },
         line: 5,
-        __otherEditing: true,
       };
       flush(() => {
         assert.isTrue(loadSpy.called);
@@ -1264,7 +1263,7 @@
       element = draftFixture.instantiate();
       // fake random
       element.getRandomNum = () => 0;
-      element.comment = {__editing: true};
+      element.comment = {__editing: true, __draft: true};
       flush(() => {
         assert.isTrue(respectfulGetStub.called);
         assert.isTrue(respectfulSetStub.called);
@@ -1287,7 +1286,7 @@
       element = draftFixture.instantiate();
       // fake random
       element.getRandomNum = () => 0;
-      element.comment = {__editing: true};
+      element.comment = {__editing: true, __draft: true};
       flush(() => {
         assert.isTrue(respectfulGetStub.called);
         assert.isTrue(respectfulSetStub.called);
@@ -1316,7 +1315,7 @@
       element = draftFixture.instantiate();
       // fake random
       element.getRandomNum = () => 3;
-      element.comment = {__editing: true};
+      element.comment = {__editing: true, __draft: true};
       flush(() => {
         assert.isTrue(respectfulGetStub.called);
         assert.isFalse(respectfulSetStub.called);
@@ -1371,7 +1370,7 @@
       element = draftFixture.instantiate();
       // fake random
       element.getRandomNum = () => 0;
-      element.comment = {__editing: true};
+      element.comment = {__editing: true, __draft: true};
       flush(() => {
         assert.isTrue(respectfulGetStub.called);
         assert.isFalse(respectfulSetStub.called);
diff --git a/polygerrit-ui/app/utils/comment-util.ts b/polygerrit-ui/app/utils/comment-util.ts
index 3340820..0726f67 100644
--- a/polygerrit-ui/app/utils/comment-util.ts
+++ b/polygerrit-ui/app/utils/comment-util.ts
@@ -46,12 +46,13 @@
 
 export interface UIStateCommentProps {
   collapsed?: boolean;
-  // TODO(TS): Consider allowing this only for drafts.
-  __editing?: boolean;
-  __otherEditing?: boolean;
 }
 
-export type UIDraft = DraftInfo & UIStateCommentProps;
+export interface UIStateDraftProps {
+  __editing?: boolean;
+}
+
+export type UIDraft = DraftInfo & UIStateCommentProps & UIStateDraftProps;
 
 export type UIHuman = CommentInfo & UIStateCommentProps;