./src//java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m

*** 261,276 ****
              [self.nsWindow setCollectionBehavior:(1 << 7) /*NSWindowCollectionBehaviorFullScreenPrimary*/];
          } else {
              [self.nsWindow setCollectionBehavior:NSWindowCollectionBehaviorDefault];
          }
      }
- 
-     if (IS(self.styleBits, DARK_TITLE_BAR)) {
-         [self.nsWindow setAppearance:[NSAppearance appearanceNamed:NSAppearanceNameVibrantDark]];
-     } else {
-         [self.nsWindow setAppearance:[NSAppearance appearanceNamed:NSAppearanceNameVibrantLight]];
-     }    
  }
  
  - (id) initWithPlatformWindow:(JNFWeakJObjectWrapper *)platformWindow
                    ownerWindow:owner
                      styleBits:(jint)bits
--- 261,270 ----