diff --git a/common/core/src/main/java/zingg/common/core/executor/Linker.java b/common/core/src/main/java/zingg/common/core/executor/Linker.java
index 2651af98..d6352641 100644
--- a/common/core/src/main/java/zingg/common/core/executor/Linker.java
+++ b/common/core/src/main/java/zingg/common/core/executor/Linker.java
@@ -36,7 +36,7 @@ public ZFrame<D,R,C> getPairs(ZFrame<D,R,C>blocked, ZFrame<D,R,C>bAll) throws Ex
 	protected ZFrame<D,R,C> getActualDupes(ZFrame<D,R,C> blocked, ZFrame<D,R,C> testData) throws Exception, ZinggClientException{
 		PredictionFilter<D, R, C> predictionFilter = new PredictionFilter<D, R, C>();
 		SelfPairBuilderSourceSensitive<S, D, R, C> iPairBuilder = new SelfPairBuilderSourceSensitive<S, D, R, C> (getDSUtil(),args);
-		return getActualDupes(blocked, testData,predictionFilter, iPairBuilder);
+		return getActualDupes(blocked, testData,predictionFilter, iPairBuilder, null);
 	}
 		
 	@Override
diff --git a/common/core/src/main/java/zingg/common/core/executor/Matcher.java b/common/core/src/main/java/zingg/common/core/executor/Matcher.java
index 5478045f..483059c4 100644
--- a/common/core/src/main/java/zingg/common/core/executor/Matcher.java
+++ b/common/core/src/main/java/zingg/common/core/executor/Matcher.java
@@ -85,11 +85,6 @@ protected ZFrame<D,R,C> getActualDupes(ZFrame<D,R,C> blocked, ZFrame<D,R,C> test
 		return getActualDupes(blocked, testData,predictionFilter, iPairBuilder,new PredictionColsSelector());
 	}
 
-	protected ZFrame<D,R,C> getActualDupes(ZFrame<D,R,C> blocked, ZFrame<D,R,C> testData, 
-			IFilter<D, R, C> predictionFilter, IPairBuilder<S, D, R, C> iPairBuilder) throws Exception, ZinggClientException{
-		return getActualDupes(blocked,testData,predictionFilter,iPairBuilder,null);
-	}
-	
 	protected ZFrame<D,R,C> getActualDupes(ZFrame<D,R,C> blocked, ZFrame<D,R,C> testData, 
 			IFilter<D, R, C> predictionFilter, IPairBuilder<S, D, R, C> iPairBuilder, PredictionColsSelector colsSelector) throws Exception, ZinggClientException{
 		ZFrame<D,R,C> blocks = getPairs(selectColsFromBlocked(blocked), testData, iPairBuilder);