diff --git a/lib/shared/farcaster/farcaster-hooks.js b/lib/shared/farcaster/farcaster-hooks.js
--- a/lib/shared/farcaster/farcaster-hooks.js
+++ b/lib/shared/farcaster/farcaster-hooks.js
@@ -1256,15 +1256,8 @@
 
 function useAddNewFarcasterMessage(): FarcasterMessage => Promise<void> {
   const dispatch = useDispatch();
-  const fetchUsersByFIDs = useGetCommFCUsersForFIDs();
-  const viewerID = useSelector(
-    state => state.currentUserInfo && state.currentUserInfo.id,
-  );
-  const fetchMessage = useGetLatestMessageEdit();
-  const threadInfos = useSelector(state => state.threadStore.threadInfos);
   const fetchConversationWithMessages = useFetchConversationWithMessages();
   const currentlyFetchedConversations = React.useRef<Set<string>>(new Set());
-  const { addLog } = useDebugLogs();
 
   const fetchConversation = React.useCallback(
     async (farcasterMessage: FarcasterMessage, withMessages: boolean) => {
@@ -1288,8 +1281,21 @@
     [dispatch, fetchConversationWithMessages],
   );
 
+  const fetchUsersByFIDs = useGetCommFCUsersForFIDs();
+  const viewerID = useSelector(
+    state => state.currentUserInfo && state.currentUserInfo.id,
+  );
+  const fetchMessage = useGetLatestMessageEdit();
+  const threadInfos = useSelector(state => state.threadStore.threadInfos);
+  const { addLog } = useDebugLogs();
+  const currentUserSupportsDCs = useCurrentUserSupportsDCs();
+
   return React.useCallback(
     async (farcasterMessage: FarcasterMessage) => {
+      if (!currentUserSupportsDCs) {
+        return;
+      }
+
       const threadID = farcasterThreadIDFromConversationID(
         farcasterMessage.conversationId,
       );
@@ -1369,6 +1375,7 @@
       fetchUsersByFIDs,
       threadInfos,
       viewerID,
+      currentUserSupportsDCs,
     ],
   );
 }
@@ -1540,12 +1547,16 @@
   const threadInfos = useSelector(state => state.threadStore.threadInfos);
   const fetchConversationWithBatching = useFetchConversationWithBatching();
   const { addLog } = useDebugLogs();
+  const currentUserSupportsDCs = useCurrentUserSupportsDCs();
 
   return React.useCallback(
     async (
       unreadConversationIds: $ReadOnlyArray<string>,
       readConversationIds: $ReadOnlyArray<string>,
     ) => {
+      if (!currentUserSupportsDCs) {
+        return;
+      }
       try {
         const allConversationIds = [
           ...unreadConversationIds,
@@ -1614,15 +1625,17 @@
         throw e;
       }
     },
-    [addLog, dispatch, fetchConversationWithBatching, threadInfos],
+    [
+      currentUserSupportsDCs,
+      addLog,
+      dispatch,
+      fetchConversationWithBatching,
+      threadInfos,
+    ],
   );
 }
 
 export {
-  useFarcasterConversationsSync,
-  useLightweightFarcasterConversationsSync,
-  useFetchConversationWithBatching,
-  useFetchConversationWithMessages,
   useFetchConversation,
   useFetchMessagesForConversation,
   useRefreshFarcasterConversation,