diff --git a/lib/shared/farcaster/farcaster-api.js b/lib/shared/farcaster/farcaster-api.js
--- a/lib/shared/farcaster/farcaster-api.js
+++ b/lib/shared/farcaster/farcaster-api.js
@@ -453,31 +453,47 @@
   );
 }
 
-export type UpdateFarcasterGroupPhotoInput = {
-  +conversationId: string,
-  +photoUrl: string,
+export type UpdateFarcasterThreadAvatarInput = {
+  +conversationID: string,
+  +action:
+    | {
+        +type: 'set',
+        +imageURL: string,
+      }
+    | {
+        +type: 'remove',
+      },
 };
 
-function useUpdateFarcasterGroupPhoto(): (
-  input: UpdateFarcasterGroupPhotoInput,
+function useUpdateFarcasterThreadAvatar(): (
+  input: UpdateFarcasterThreadAvatarInput,
 ) => Promise<void> {
   const { sendFarcasterRequest } = useTunnelbroker();
   const { addLog } = useDebugLogs();
   return React.useCallback(
-    async (input: UpdateFarcasterGroupPhotoInput) => {
+    async (input: UpdateFarcasterThreadAvatarInput) => {
+      const payload =
+        input.action.type === 'set'
+          ? {
+              conversationId: input.conversationID,
+              photoUrl: input.action.imageURL,
+            }
+          : {
+              conversationId: input.conversationID,
+            };
       try {
         await sendFarcasterRequest({
           apiVersion: 'v2',
           endpoint: 'direct-cast-group-photo',
           method: { type: 'POST' },
-          payload: JSON.stringify(input),
+          payload: JSON.stringify(payload),
         });
       } catch (error) {
         addLog(
           'Farcaster API: Failed to update group photo',
           JSON.stringify({
-            conversationId: input.conversationId,
-            photoUrl: input.photoUrl,
+            conversationID: input.conversationID,
+            action: input.action,
             error: getMessageForException(error),
           }),
           new Set([logTypes.FARCASTER, logTypes.ERROR]),
@@ -1007,7 +1023,7 @@
   useFetchFarcasterConversation,
   useFetchFarcasterInbox,
   useUpdateFarcasterGroupNameAndDescription,
-  useUpdateFarcasterGroupPhoto,
+  useUpdateFarcasterThreadAvatar,
   useUpdateFarcasterSubscription,
   useStreamFarcasterDirectCastRead,
   useMarkFarcasterDirectCastUnread,