diff --git a/public/java/test/org/broadinstitute/sting/gatk/WalkerManagerUnitTest.java b/public/java/test/org/broadinstitute/sting/gatk/WalkerManagerUnitTest.java
index 357872dbd..cd43927a4 100644
--- a/public/java/test/org/broadinstitute/sting/gatk/WalkerManagerUnitTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/WalkerManagerUnitTest.java
@@ -57,17 +57,17 @@ public class WalkerManagerUnitTest {
         walkerManager.createByName("Missing");
     }
 
-//    @Test(expectedExceptions=DynamicClassResolutionException.class)
-//    public void testUninstantiableWalker() {
-//        walkerManager.createByName("Uninstantiable");
-//    }
+    @Test(expectedExceptions=DynamicClassResolutionException.class)
+    public void testUninstantiableWalker() {
+        walkerManager.createByName("Uninstantiable");
+    }
 }
 
-//@Hidden
-//@Requires(value={})
-//class UninstantiableWalker extends Walker<Integer,Long> {
-//    // Private constructor will generate uninstantiable message
-//    private UninstantiableWalker() {}
-//    public Long reduceInit() { return 0L; }
-//    public Long reduce(Integer value, Long accum) { return 0L; }
-//}
+@Hidden
+@Requires(value={})
+class UninstantiableWalker extends Walker<Integer,Long> {
+    // Private constructor will generate uninstantiable message
+    private UninstantiableWalker() {}
+    public Long reduceInit() { return 0L; }
+    public Long reduce(Integer value, Long accum) { return 0L; }
+}