diff --git a/keyserver/src/deleters/farcaster-channel-tag-deleters.js b/keyserver/src/deleters/farcaster-channel-tag-deleters.js
--- a/keyserver/src/deleters/farcaster-channel-tag-deleters.js
+++ b/keyserver/src/deleters/farcaster-channel-tag-deleters.js
@@ -4,11 +4,14 @@
 import type { DeleteFarcasterChannelTagRequest } from 'lib/types/community-types.js';
 import { threadPermissions } from 'lib/types/thread-permission-types.js';
 import { ServerError } from 'lib/utils/errors.js';
+import { ignorePromiseRejections } from 'lib/utils/promises.js';
 
 import { dbQuery, SQL } from '../database/database.js';
+import { fetchServerThreadInfos } from '../fetchers/thread-fetchers.js';
 import { checkThreadPermission } from '../fetchers/thread-permission-fetchers.js';
 import { deleteBlob } from '../services/blob.js';
 import type { Viewer } from '../session/viewer';
+import { updateThread } from '../updaters/thread-updaters.js';
 
 async function deleteFarcasterChannelTag(
   viewer: Viewer,
@@ -39,7 +42,6 @@
       blob_holder = NULL
     WHERE id = ${request.commCommunityID}
       AND farcaster_channel_id = ${request.farcasterChannelID};
-    
     COMMIT;
 
     SELECT @currentBlobHolder AS blobHolder;
@@ -61,6 +63,25 @@
       true,
     );
   }
+
+  // In the background, we fetch information about the community thread. If the
+  // thread's avatar type is `farcaster`, we remove it.
+  ignorePromiseRejections(
+    (async () => {
+      const serverThreadInfos = await fetchServerThreadInfos({
+        threadID: request.commCommunityID,
+      });
+      const { avatar } = serverThreadInfos.threadInfos[request.commCommunityID];
+      if (avatar?.type !== 'farcaster') {
+        return;
+      }
+
+      await updateThread(viewer, {
+        threadID: request.commCommunityID,
+        changes: { avatar: { type: 'remove' } },
+      });
+    })(),
+  );
 }
 
 export { deleteFarcasterChannelTag };