diff --git a/native/avatars/avatar-hooks.js b/native/avatars/avatar-hooks.js
--- a/native/avatars/avatar-hooks.js
+++ b/native/avatars/avatar-hooks.js
@@ -272,6 +272,30 @@
   return removeUserAvatar;
 }
 
+function useRemoveThreadAvatar(threadID: string): () => Promise<void> {
+  const dispatchActionPromise = useDispatchActionPromise();
+  const changeThreadSettingsCall = useServerCall(changeThreadSettings);
+
+  const removeThreadAvatar = React.useCallback(async () => {
+    const removeAvatarRequest: UpdateUserAvatarRemoveRequest = {
+      type: 'remove',
+    };
+
+    const updateThreadRequest: UpdateThreadRequest = {
+      threadID,
+      changes: {
+        avatar: removeAvatarRequest,
+      },
+    };
+    dispatchActionPromise(
+      changeThreadSettingsActionTypes,
+      changeThreadSettingsCall(updateThreadRequest),
+    );
+  }, [changeThreadSettingsCall, dispatchActionPromise, threadID]);
+
+  return removeThreadAvatar;
+}
+
 type ShowAvatarActionSheetOptions = {
   +id: 'emoji' | 'image' | 'cancel' | 'remove',
   +onPress?: () => mixed,
@@ -381,4 +405,5 @@
   useSelectFromGalleryAndUpdateUserAvatar,
   useSelectFromGalleryAndUpdateThreadAvatar,
   useRemoveUserAvatar,
+  useRemoveThreadAvatar,
 };
diff --git a/native/avatars/edit-thread-avatar.react.js b/native/avatars/edit-thread-avatar.react.js
--- a/native/avatars/edit-thread-avatar.react.js
+++ b/native/avatars/edit-thread-avatar.react.js
@@ -6,6 +6,7 @@
 import type { RawThreadInfo, ThreadInfo } from 'lib/types/thread-types.js';
 
 import {
+  useRemoveThreadAvatar,
   useSelectFromGalleryAndUpdateThreadAvatar,
   useShowAvatarActionSheet,
 } from './avatar-hooks.js';
@@ -23,12 +24,19 @@
   const selectFromGalleryAndUpdateThreadAvatar =
     useSelectFromGalleryAndUpdateThreadAvatar(threadInfo.id);
 
+  const removeThreadAvatar = useRemoveThreadAvatar(threadInfo.id);
+
   const actionSheetConfig = React.useMemo(
     () => [
       { id: 'emoji', onPress: onPressEmojiAvatarFlow },
       { id: 'image', onPress: selectFromGalleryAndUpdateThreadAvatar },
+      { id: 'remove', onPress: removeThreadAvatar },
+    ],
+    [
+      onPressEmojiAvatarFlow,
+      removeThreadAvatar,
+      selectFromGalleryAndUpdateThreadAvatar,
     ],
-    [onPressEmojiAvatarFlow, selectFromGalleryAndUpdateThreadAvatar],
   );
 
   const showAvatarActionSheet = useShowAvatarActionSheet(actionSheetConfig);