diff --git a/openjdk.pro b/openjdk.pro
index 14bb9f91f8..2393930fff 100644
--- a/openjdk.pro
+++ b/openjdk.pro
@@ -312,3 +312,23 @@
 	*** match;
 	*** next;
 }
+
+# These classes are accessed via bytecode generated on the fly.
+-keepclassmembers class java.lang.reflect.Proxy {
+  <methods>;
+}
+
+-keepclassmembers class java.lang.reflect.InvocationHandler {
+  <methods>;
+}
+
+# Don't strip special enum members.
+-keepclassmembers,allowoptimization enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+-keepclassmembers class java.lang.reflect.Executable {
+  <methods>;
+}
+
diff --git a/vm.pro b/vm.pro
index 0eee875cfe..ebc6f7c7e0 100644
--- a/vm.pro
+++ b/vm.pro
@@ -129,3 +129,7 @@
 -keepclassmembers class java.lang.ClassLoader {
    public java.lang.Class loadClass(java.lang.String);
  }
+
+ -keepclassmembers class avian.Classes {
+   public java.security.ProtectionDomain getProtectionDomain(avian.VMClass);
+ }