src/java.desktop/macosx/classes/com/apple/laf/AquaInternalFrameDockIconUI.java

*** 301,310 ****
--- 301,311 ----
              if (parent instanceof JLayeredPane) {
                  ((JLayeredPane)parent).add(this, JLayeredPane.POPUP_LAYER, 0);
              }
          }
  
+         @SuppressWarnings("deprecation")
          public void hide() {
              final Container parent = getParent();
              final Rectangle r = this.getBounds();
              if (parent == null) return;
              parent.remove(this);