diff -up ./com/jgoodies/looks/common/MenuSelectionProcessor.java.orig ./com/jgoodies/looks/common/MenuSelectionProcessor.java

--- ./com/jgoodies/looks/common/MenuSelectionProcessor.java.orig	2014-01-10 12:09:26.000000000 +0100

+++ ./com/jgoodies/looks/common/MenuSelectionProcessor.java	2021-07-27 17:30:14.286523615 +0200

@@ -43,8 +43,6 @@ import javax.swing.MenuSelectionManager;

 import javax.swing.SwingUtilities;

 import javax.swing.plaf.basic.ComboPopup;

-import com.sun.java.swing.plaf.windows.WindowsRootPaneUI;

-

 /**

  * Handles the Alt key to select the first menu in the menu bar - if any.

  * Useful to let non-Windows L&fs like Plastic feel more like Windows.

diff -up ./com/jgoodies/looks/Options.java.orig ./com/jgoodies/looks/Options.java

--- ./com/jgoodies/looks/Options.java.orig	2014-12-08 10:47:22.000000000 +0100

+++ ./com/jgoodies/looks/Options.java	2021-07-27 17:30:32.286793624 +0200

@@ -39,7 +39,6 @@ import javax.swing.text.JTextComponent;

 import com.jgoodies.common.base.SystemUtils;

 import com.jgoodies.looks.common.ShadowPopup;

 import com.jgoodies.looks.plastic.PlasticLookAndFeel;

-import com.jgoodies.looks.windows.WindowsLookAndFeel;

 /**

  * Provides access to optional features of the JGoodies L&Fs