diff --git a/.eslintrc.json b/.eslintrc.json
index d7ed3908e..c92a2d7a8 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -24,12 +24,13 @@
     "promise/no-promise-in-callback": "warn",
     "promise/no-callback-in-promise": "warn",
 
-    // TODO: Change all these to "error", or remove and use defaults.
     "react/display-name": "off",
-    "react/jsx-no-duplicate-props": "warn",
-    "react/jsx-no-target-blank": "warn",
-    "react/no-find-dom-node": "warn",
-    "react/no-unknown-property": "warn",
+
+    // We'll keeping using this, as we'll switch over to Preact and we don't
+    // need to worry about deprecation.
+    "react/no-find-dom-node": "off",
+
+    // TODO: Use default after fixing the errors.
     "react/prop-types": "off",
 
     "array-callback-return": "warn",
diff --git a/client/coral-admin/src/components/CommentBox.css b/client/coral-admin/src/components/CommentBox.css
deleted file mode 100644
index 34c7ca6ef..000000000
--- a/client/coral-admin/src/components/CommentBox.css
+++ /dev/null
@@ -1,4 +0,0 @@
-
-.textareaContainer {
-  width: 100%;
-}
diff --git a/client/coral-admin/src/components/CommentBox.js b/client/coral-admin/src/components/CommentBox.js
deleted file mode 100644
index ce3438960..000000000
--- a/client/coral-admin/src/components/CommentBox.js
+++ /dev/null
@@ -1,35 +0,0 @@
-
-import React from 'react';
-import styles from './CommentBox.css';
-import {Button} from 'react-mdl';
-
-// Renders a comment box for creating a new comment
-export default class CommentBox extends React.Component {
-  constructor (props) {
-    super(props);
-    this.state = {name: '', body: ''};
-    this.onSubmit = this.onSubmit.bind(this);
-  }
-
-  onSubmit () {
-    const {name, body} = this.state;
-    this.props.onSubmit({name, body});
-    this.setState({body: '', name: ''});
-  }
-
-  render (props, {name, body}) {
-    return (
-      <div>
-        <div class={`${styles.textareaContainer} mdl-textfield mdl-js-textfield`}>
-          <input type='text' value={name} onInput={this.linkState('name')} class='mdl-textfield__input' id='name' />
-          <label class='mdl-textfield__label' for='name'>Your name</label>
-        </div>
-        <div class={`${styles.textareaContainer} mdl-textfield mdl-js-textfield`}>
-          <textarea value={body} onInput={this.linkState('body')} class='mdl-textfield__input' type='text' rows='5' id='comment' />
-          <label class='mdl-textfield__label' for='comment'>Write your comment</label>
-        </div>
-        <Button onClick={this.onSubmit} raised>Post</Button>
-      </div>
-    );
-  }
-}
diff --git a/client/coral-admin/src/components/UserDetail.js b/client/coral-admin/src/components/UserDetail.js
index fd44d5f17..b6b239057 100644
--- a/client/coral-admin/src/components/UserDetail.js
+++ b/client/coral-admin/src/components/UserDetail.js
@@ -183,7 +183,6 @@ export default class UserDetail extends React.Component {
                   key={comment.id}
                   user={user}
                   comment={comment}
-                  selected={false}
                   suspectWords={suspectWords}
                   bannedWords={bannedWords}
                   actions={actionsMap[status]}
diff --git a/client/coral-admin/src/components/ui/Header.js b/client/coral-admin/src/components/ui/Header.js
index 560935c2a..74dc85a17 100644
--- a/client/coral-admin/src/components/ui/Header.js
+++ b/client/coral-admin/src/components/ui/Header.js
@@ -73,12 +73,12 @@ const CoralHeader = ({
               <Menu target="menu-settings" align="right">
                 <MenuItem onClick={() => showShortcuts(true)}>{t('configure.shortcuts')}</MenuItem>
                 <MenuItem>
-                  <a href="https://github.com/coralproject/talk/releases" target="_blank">
+                  <a href="https://github.com/coralproject/talk/releases" target="_blank" rel="noopener noreferrer">
                       View latest version
                   </a>
                 </MenuItem>
                 <MenuItem>
-                  <a href="https://coralproject.net/contribute.html#other-ideas-and-bug-reports" target="_blank">
+                  <a href="https://coralproject.net/contribute.html#other-ideas-and-bug-reports" target="_blank" rel="noopener noreferrer">
                       Report a bug or give feedback
                   </a>
                 </MenuItem>
diff --git a/client/coral-admin/src/routes/Community/components/Table.js b/client/coral-admin/src/routes/Community/components/Table.js
index c5bb494c0..18f52592d 100644
--- a/client/coral-admin/src/routes/Community/components/Table.js
+++ b/client/coral-admin/src/routes/Community/components/Table.js
@@ -28,7 +28,8 @@ export default ({headers, commenters, onHeaderClickHandler, onRoleChange, onComm
             {row.created_at}
           </td>
           <td className="mdl-data-table__cell--non-numeric">
-            <SelectField label={'Select me'} value={row.status || ''}
+            <SelectField
+              value={row.status || ''}
               className={styles.selectField}
               label={t('community.status')}
               onChange={(status) => onCommenterStatusChange(row.id, status)}>
@@ -37,7 +38,8 @@ export default ({headers, commenters, onHeaderClickHandler, onRoleChange, onComm
             </SelectField>
           </td>
           <td className="mdl-data-table__cell--non-numeric">
-            <SelectField label={'Select me'} value={row.roles[0] || ''}
+            <SelectField
+              value={row.roles[0] || ''}
               className={styles.selectField}
               label={t('community.role')}
               onChange={(role) => onRoleChange(row.id, role)}>
diff --git a/client/talk-plugin-commentbox/CommentBox.js b/client/talk-plugin-commentbox/CommentBox.js
index c85dfb306..e5717e08a 100644
--- a/client/talk-plugin-commentbox/CommentBox.js
+++ b/client/talk-plugin-commentbox/CommentBox.js
@@ -150,7 +150,6 @@ class CommentBox extends React.Component {
     return <div>
       <CommentForm
         defaultValue={this.props.defaultValue}
-        bodyInputId={isReply ? 'replyText' : 'commentText'}
         bodyLabel={isReply ? t('comment_box.reply') : t('comment.comment')}
         maxCharCount={maxCharCount}
         charCountEnable={this.props.charCountEnable}