diff --git a/lib/hooks/inline-sidebar-text.react.js b/lib/hooks/inline-sidebar-text.react.js
--- a/lib/hooks/inline-sidebar-text.react.js
+++ b/lib/hooks/inline-sidebar-text.react.js
@@ -2,16 +2,11 @@
 
 import * as React from 'react';
 
-import { relativeMemberInfoSelectorForMembersOfThread } from '../selectors/user-selectors';
-import { stringForUser } from '../shared/user-utils';
 import type { ThreadInfo } from '../types/thread-types';
-import { useSelector } from '../utils/redux-utils';
-import { pluralizeAndTrim } from '../utils/text-utils';
 
 function useInlineSidebarText(
   threadInfo: ThreadInfo,
 ): {
-  sendersText: string,
   repliesText: string,
 } {
   const repliesCount = threadInfo.repliesCount || 1;
@@ -19,22 +14,11 @@
     repliesCount > 1 ? 'replies' : 'reply'
   }`;
 
-  const threadMembers = useSelector(
-    relativeMemberInfoSelectorForMembersOfThread(threadInfo.id),
-  );
-  const sendersText = React.useMemo(() => {
-    const senders = threadMembers
-      .filter(member => member.isSender)
-      .map(stringForUser);
-    return senders.length > 0 ? `${pluralizeAndTrim(senders, 25)} sent ` : '';
-  }, [threadMembers]);
-
   return React.useMemo(
     () => ({
-      sendersText,
       repliesText,
     }),
-    [sendersText, repliesText],
+    [repliesText],
   );
 }
 
diff --git a/lib/utils/text-utils.js b/lib/utils/text-utils.js
--- a/lib/utils/text-utils.js
+++ b/lib/utils/text-utils.js
@@ -31,17 +31,4 @@
   return text.substr(0, maxLength - 3) + '...';
 }
 
-function pluralizeAndTrim(
-  nouns: $ReadOnlyArray<string>,
-  maxLength: number,
-): string {
-  for (let maxNumberOfNouns = 3; maxNumberOfNouns >= 2; --maxNumberOfNouns) {
-    const text = pluralize(nouns, maxNumberOfNouns);
-    if (text.length <= maxLength) {
-      return text;
-    }
-  }
-  return pluralize(nouns, 1);
-}
-
-export { pluralize, trimText, pluralizeAndTrim };
+export { pluralize, trimText };
diff --git a/native/chat/inline-sidebar.react.js b/native/chat/inline-sidebar.react.js
--- a/native/chat/inline-sidebar.react.js
+++ b/native/chat/inline-sidebar.react.js
@@ -17,7 +17,7 @@
 };
 function InlineSidebar(props: Props): React.Node {
   const { threadInfo } = props;
-  const { sendersText, repliesText } = useInlineSidebarText(threadInfo);
+  const { repliesText } = useInlineSidebarText(threadInfo);
 
   const navigateToThread = useNavigateToThread();
   const onPress = React.useCallback(() => {
@@ -47,10 +47,7 @@
     <View style={[styles.content, alignStyle]}>
       <Button style={styles.sidebar} onPress={onPress}>
         {nonViewerIcon}
-        <Text style={[styles.name, unreadStyle]}>
-          {sendersText}
-          {repliesText}
-        </Text>
+        <Text style={[styles.name, unreadStyle]}>{repliesText}</Text>
         {viewerIcon}
       </Button>
     </View>
diff --git a/web/chat/inline-sidebar.react.js b/web/chat/inline-sidebar.react.js
--- a/web/chat/inline-sidebar.react.js
+++ b/web/chat/inline-sidebar.react.js
@@ -14,16 +14,13 @@
 };
 function InlineSidebar(props: Props): React.Node {
   const { threadInfo } = props;
-  const { sendersText, repliesText } = useInlineSidebarText(threadInfo);
+  const { repliesText } = useInlineSidebarText(threadInfo);
 
   const onClick = useOnClickThread(threadInfo);
 
   return (
     <div className={css.container} onClick={onClick}>
-      <div>
-        {sendersText}
-        {repliesText}
-      </div>
+      <div>{repliesText}</div>
     </div>
   );
 }