--- a/jdk/src/java.base/share/classes/sun/misc/VM.java	Sun Dec 13 15:20:35 2015 +0100
+++ b/jdk/src/java.base/share/classes/sun/misc/VM.java	Mon Dec 14 09:27:15 2015 -0800
@@ -274,9 +274,6 @@
         // used by java.lang.Integer.IntegerCache
         props.remove("java.lang.Integer.IntegerCache.high");
 
-        // used by java.util.zip.ZipFile
-        props.remove("sun.zip.disableMemoryMapping");
-
         // used by sun.launcher.LauncherHelper
         props.remove("sun.java.launcher.diag");
     }