src/java.desktop/unix/classes/sun/awt/X11/XRobotPeer.java

@@ -31,11 +31,10 @@
 
 import sun.awt.AWTAccessor;
 import sun.awt.SunToolkit;
 import sun.awt.UNIXToolkit;
 import sun.awt.X11GraphicsConfig;
-import sun.awt.X11GraphicsEnvironment;
 
 class XRobotPeer implements RobotPeer {
 
     static final boolean tryGtk;
     static {

@@ -75,19 +74,12 @@
         // does nothing
     }
 
     @Override
     public void mouseMove(int x, int y) {
-        X11GraphicsEnvironment x11ge = (X11GraphicsEnvironment)
-                GraphicsEnvironment.getLocalGraphicsEnvironment();
-        if(x11ge.runningXinerama()) {
-            Rectangle sb = xgc.getBounds();
-            mouseMoveImpl(xgc, xgc.scaleUp(x + sb.x), xgc.scaleUp(y + sb.y));
-        } else {
             mouseMoveImpl(xgc, xgc.scaleUp(x), xgc.scaleUp(y));
         }
-    }
 
     @Override
     public void mousePress(int buttons) {
         mousePressImpl(buttons);
     }