diff --git a/atom/browser/native_window_mac.mm b/atom/browser/native_window_mac.mm
index d2ca6b8621d1..c88469a9c8a1 100644
--- a/atom/browser/native_window_mac.mm
+++ b/atom/browser/native_window_mac.mm
@@ -389,8 +389,8 @@ bool ScopedDisableResize::disable_resize_ = false;
     return nil;
 }
 
-- (nullable NSTouchBarItem*)touchBar:(NSTouchBar*)touchBar
-               makeItemForIdentifier:(NSTouchBarItemIdentifier)identifier {
+- (NSTouchBarItem*)touchBar:(NSTouchBar*)touchBar
+      makeItemForIdentifier:(NSTouchBarItemIdentifier)identifier {
   if (touchBar && atom_touch_bar_)
     return [atom_touch_bar_ makeItemForIdentifier:identifier];
   else