diff --git a/lib/shared/thread-utils.js b/lib/shared/thread-utils.js
--- a/lib/shared/thread-utils.js
+++ b/lib/shared/thread-utils.js
@@ -956,34 +956,6 @@
   return threadIsWithBlockedUserOnly(threadInfo, viewerID, userInfos, true);
 }
 
-function rawThreadInfoFromThreadInfo(threadInfo: ThreadInfo): RawThreadInfo {
-  let rawThreadInfo: RawThreadInfo = {
-    id: threadInfo.id,
-    type: threadInfo.type,
-    name: threadInfo.name,
-    description: threadInfo.description,
-    color: threadInfo.color,
-    creationTime: threadInfo.creationTime,
-    parentThreadID: threadInfo.parentThreadID,
-    containingThreadID: threadInfo.containingThreadID,
-    community: threadInfo.community,
-    members: threadInfo.members.map(relativeMemberInfo => ({
-      id: relativeMemberInfo.id,
-      role: relativeMemberInfo.role,
-      permissions: relativeMemberInfo.permissions,
-      isSender: relativeMemberInfo.isSender,
-    })),
-    roles: threadInfo.roles,
-    currentUser: threadInfo.currentUser,
-    repliesCount: threadInfo.repliesCount,
-  };
-  const { sourceMessageID } = threadInfo;
-  if (sourceMessageID) {
-    rawThreadInfo = { ...rawThreadInfo, sourceMessageID };
-  }
-  return rawThreadInfo;
-}
-
 const threadTypeDescriptions: { [ThreadType]: string } = {
   [threadTypes.COMMUNITY_OPEN_SUBTHREAD]:
     'Anybody in the parent channel can see an open subchannel.',
@@ -1595,7 +1567,6 @@
   filterThreadEditDetailedPermissions,
   threadUIName,
   threadInfoFromRawThreadInfo,
-  rawThreadInfoFromThreadInfo,
   threadTypeDescriptions,
   usersInThreadInfo,
   memberIsAdmin,