diff --git a/Tests/base/NSKVOSupport/newoldvalues.m b/Tests/base/NSKVOSupport/newoldvalues.m
index d30b472c1c..b05c38f970 100644
--- a/Tests/base/NSKVOSupport/newoldvalues.m
+++ b/Tests/base/NSKVOSupport/newoldvalues.m
@@ -1,6 +1,8 @@
 #import <Foundation/Foundation.h>
 #import "ObjectTesting.h"
 
+#if defined(__OBJC2__)
+
 @class Bar;
 
 @interface                     Foo : NSObject
@@ -220,3 +222,10 @@ - (void)observeValueForKeyPath:(NSString *)keyPath
   return 0;
 }
 
+#else
+int
+main(int argc, char *argv[])
+{
+  return 0;
+}
+#endif