diff --git a/src/util/opengl_context_agl.mm b/src/util/opengl_context_agl.mm
index bcbbe51bd0..0181764da4 100644
--- a/src/util/opengl_context_agl.mm
+++ b/src/util/opengl_context_agl.mm
@@ -229,6 +229,4 @@
     block();
   else
     dispatch_sync(dispatch_get_main_queue(), block);
-
-  return true;
 }