--- a/langtools/src/share/classes/com/sun/tools/javac/comp/MemberEnter.java	Mon Mar 26 15:28:22 2012 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/MemberEnter.java	Mon Mar 26 15:28:49 2012 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -781,20 +781,6 @@
                 && s.owner.kind != MTH
                 && types.isSameType(c.type, syms.deprecatedType))
                 s.flags_field |= Flags.DEPRECATED;
-            // Internally to java.lang.invoke, a @PolymorphicSignature annotation
-            // acts like a classfile attribute.
-            if (!c.type.isErroneous() &&
-                types.isSameType(c.type, syms.polymorphicSignatureType)) {
-                if (!target.hasMethodHandles()) {
-                    // Somebody is compiling JDK7 source code to a JDK6 target.
-                    // Make it an error, since it is unlikely but important.
-                    log.error(env.tree.pos(),
-                            "wrong.target.for.polymorphic.signature.definition",
-                            target.name);
-                }
-                // Pull the flag through for better diagnostics, even on a bad target.
-                s.flags_field |= Flags.POLYMORPHIC_SIGNATURE;
-            }
             if (!annotated.add(a.type.tsym))
                 log.error(a.pos, "duplicate.annotation");
         }