diff --git a/UI/obs-frontend-api/obs-frontend-api.h b/UI/obs-frontend-api/obs-frontend-api.h
index 2b58e96d6..7802efbf8 100644
--- a/UI/obs-frontend-api/obs-frontend-api.h
+++ b/UI/obs-frontend-api/obs-frontend-api.h
@@ -40,7 +40,9 @@ enum obs_frontend_event {
 
 	OBS_FRONTEND_EVENT_STUDIO_MODE_ENABLED,
 	OBS_FRONTEND_EVENT_STUDIO_MODE_DISABLED,
-	OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED
+	OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED,
+
+	OBS_FRONTEND_EVENT_SCENE_COLLECTION_CLEANUP
 };
 
 /* ------------------------------------------------------------------------- */
diff --git a/UI/window-basic-main.cpp b/UI/window-basic-main.cpp
index 5284e17b5..a09b80885 100644
--- a/UI/window-basic-main.cpp
+++ b/UI/window-basic-main.cpp
@@ -3343,6 +3343,9 @@ void OBSBasic::ClearSceneData()
 
 	obs_enum_sources(cb, nullptr);
 
+	if (api)
+		api->on_event(OBS_FRONTEND_EVENT_SCENE_COLLECTION_CLEANUP);
+
 	disableSaving--;
 
 	blog(LOG_INFO, "All scene data cleared");