diff --git a/polygerrit-ui/app/elements/admin/gr-group-members/gr-group-members.ts b/polygerrit-ui/app/elements/admin/gr-group-members/gr-group-members.ts
index 87761a6..8824009 100644
--- a/polygerrit-ui/app/elements/admin/gr-group-members/gr-group-members.ts
+++ b/polygerrit-ui/app/elements/admin/gr-group-members/gr-group-members.ts
@@ -3,7 +3,6 @@
  * Copyright 2017 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
-import '@polymer/iron-autogrow-textarea/iron-autogrow-textarea';
 import '../../shared/gr-account-label/gr-account-label';
 import '../../shared/gr-autocomplete/gr-autocomplete';
 import '../../shared/gr-button/gr-button';
diff --git a/polygerrit-ui/app/elements/admin/gr-repo-commands/gr-repo-commands.ts b/polygerrit-ui/app/elements/admin/gr-repo-commands/gr-repo-commands.ts
index 2a648b1..bb1e926 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo-commands/gr-repo-commands.ts
+++ b/polygerrit-ui/app/elements/admin/gr-repo-commands/gr-repo-commands.ts
@@ -3,7 +3,6 @@
  * Copyright 2017 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
-import '@polymer/iron-autogrow-textarea/iron-autogrow-textarea';
 import '../../plugins/gr-endpoint-decorator/gr-endpoint-decorator';
 import '../../plugins/gr-endpoint-param/gr-endpoint-param';
 import '../../shared/gr-button/gr-button';
diff --git a/polygerrit-ui/app/elements/gr-css-mixins.ts b/polygerrit-ui/app/elements/gr-css-mixins.ts
index 733b386..523a056 100644
--- a/polygerrit-ui/app/elements/gr-css-mixins.ts
+++ b/polygerrit-ui/app/elements/gr-css-mixins.ts
@@ -77,6 +77,10 @@
           --paper-listbox: {
             padding: 0;
           };
+          --iron-autogrow-textarea: {
+            box-sizing: border-box;
+            padding: var(--spacing-s);
+          };
         }
       </style>
     `;
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 d9004ae..5306cea 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
@@ -3,7 +3,6 @@
  * Copyright 2015 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
-import '@polymer/iron-autogrow-textarea/iron-autogrow-textarea';
 import '../../../styles/shared-styles';
 import '../../plugins/gr-endpoint-decorator/gr-endpoint-decorator';
 import '../../plugins/gr-endpoint-param/gr-endpoint-param';
diff --git a/polygerrit-ui/app/styles/shared-styles.ts b/polygerrit-ui/app/styles/shared-styles.ts
index 839f612..5a7ca48 100644
--- a/polygerrit-ui/app/styles/shared-styles.ts
+++ b/polygerrit-ui/app/styles/shared-styles.ts
@@ -124,13 +124,8 @@
     /* iron-autogrow-textarea has a "-webkit-appearance: textarea" :host
         css rule, which prevents overriding the border color. Clear that. */
     -webkit-appearance: none;
-    --iron-autogrow-textarea: {
-      box-sizing: border-box;
-      padding: var(--spacing-s);
-    };
     --iron-autogrow-textarea_-_box-sizing: border-box;
     --iron-autogrow-textarea_-_padding: var(--spacing-s);
-    --iron-autogrow-textarea_-_white-space: pre-wrap;
   }
   a {
     color: var(--link-color);