diff --git a/com.ibm.wala.core/src/com/ibm/wala/util/intset/BasicNaturalRelation.java b/com.ibm.wala.core/src/com/ibm/wala/util/intset/BasicNaturalRelation.java
index c1f25089e..7027cbaa8 100644
--- a/com.ibm.wala.core/src/com/ibm/wala/util/intset/BasicNaturalRelation.java
+++ b/com.ibm.wala.core/src/com/ibm/wala/util/intset/BasicNaturalRelation.java
@@ -405,7 +405,6 @@ public final class BasicNaturalRelation implements IBinaryNaturalRelation {
       delegateStore.performVerboseAction();
       for (int i = 0; i < smallStore.length; i++) {
         Trace.println("smallStore[" + i + "]: " + smallStore[i].getClass());
-        smallStore[i].performVerboseAction();
       }
     }
   }
diff --git a/com.ibm.wala.core/src/com/ibm/wala/util/intset/IntVector.java b/com.ibm.wala.core/src/com/ibm/wala/util/intset/IntVector.java
index 6060a1bc0..7c4a52bb1 100644
--- a/com.ibm.wala.core/src/com/ibm/wala/util/intset/IntVector.java
+++ b/com.ibm.wala.core/src/com/ibm/wala/util/intset/IntVector.java
@@ -10,14 +10,13 @@
  *******************************************************************************/
 package com.ibm.wala.util.intset;
 
-import com.ibm.wala.util.debug.VerboseAction;
 
 /**
  * interface for array of integer
  * 
  * @author sfink
  */
-public interface IntVector extends VerboseAction {
+public interface IntVector{
 
   int get(int x);
 
diff --git a/com.ibm.wala.core/src/com/ibm/wala/util/intset/SparseIntVector.java b/com.ibm.wala.core/src/com/ibm/wala/util/intset/SparseIntVector.java
index b71fcd3f2..e523a76c8 100644
--- a/com.ibm.wala.core/src/com/ibm/wala/util/intset/SparseIntVector.java
+++ b/com.ibm.wala.core/src/com/ibm/wala/util/intset/SparseIntVector.java
@@ -36,7 +36,7 @@ public class SparseIntVector implements IntVector {
 
   private final int defaultValue;
 
-  SparseIntVector(int defaultValue) {
+  public SparseIntVector(int defaultValue) {
     this.defaultValue = defaultValue;
   }