Index: modules/swing/src/main/java/common/javax/swing/JLayeredPane.java =================================================================== --- modules/swing/src/main/java/common/javax/swing/JLayeredPane.java (revision 490988) +++ modules/swing/src/main/java/common/javax/swing/JLayeredPane.java (working copy) @@ -306,9 +306,6 @@ * @return layer of component c */ public int getLayer(final Component c) { - if (c == null) { - return -1; - } Object layer = getComponentToLayer().get(c); if (layer != null) { return ((Integer) layer).intValue();