--- old/./src//java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m	2018-04-17 19:03:34.000000000 +0530
+++ new/./src//java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m	2018-04-17 19:03:34.000000000 +0530
@@ -262,13 +262,7 @@
         } 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