diff --git a/source/blender/blenkernel/intern/scene.c b/source/blender/blenkernel/intern/scene.c
index 88e842dc94b..53c139309d1 100644
--- a/source/blender/blenkernel/intern/scene.c
+++ b/source/blender/blenkernel/intern/scene.c
@@ -1324,34 +1324,6 @@ static void scene_update_objects_threaded(Scene *scene, Scene *scene_parent)
 	 */
 	BLI_begin_threaded_malloc();
 
-	/* XXX: Releasing DrawObject is not thread safe, but adding lock
-	 *      around it is gonna to harm even more. So for now let's
-	 *      free all caches from main thread.
-	 *
-	 * TODO(sergey): Making DrawObject thread-safe is a nice task on
-	 *               it's own and it'll also make it possible to remove
-	 *               this hack.
-	 */
-	{
-		Base *base;
-		for (base = scene->base.first; base; base = base->next) {
-			Object *ob = base->object;
-
-			if (ob->recalc & OB_RECALC_ALL) {
-				BKE_object_free_derived_caches(ob);
-
-				if (ob->dup_group && (ob->transflag & OB_DUPLIGROUP)) {
-					GroupObject *go;
-					for (go = ob->dup_group->gobject.first; go; go = go->next) {
-						if (go->ob && go->ob->recalc) {
-							BKE_object_free_derived_caches(go->ob);
-						}
-					}
-				}
-			}
-		}
-	}
-
 	state.scene = scene;
 	state.scene_parent = scene_parent;
 #ifdef ENABLE_THREAD_STATISTICS