diff --git a/java/src/org/broadinstitute/sting/playground/utils/GenotypingCallStats.java b/archive/java/src/org/broadinstitute/sting/mendelian/GenotypingCallStats.java
similarity index 100%
rename from java/src/org/broadinstitute/sting/playground/utils/GenotypingCallStats.java
rename to archive/java/src/org/broadinstitute/sting/mendelian/GenotypingCallStats.java
diff --git a/java/src/org/broadinstitute/sting/playground/gatk/walkers/MendelianInheritanceWalker.java b/archive/java/src/org/broadinstitute/sting/mendelian/MendelianInheritanceWalker.java
similarity index 100%
rename from java/src/org/broadinstitute/sting/playground/gatk/walkers/MendelianInheritanceWalker.java
rename to archive/java/src/org/broadinstitute/sting/mendelian/MendelianInheritanceWalker.java
diff --git a/java/src/org/broadinstitute/sting/playground/utils/TrioConcordanceRecord.java b/archive/java/src/org/broadinstitute/sting/mendelian/TrioConcordanceRecord.java
similarity index 100%
rename from java/src/org/broadinstitute/sting/playground/utils/TrioConcordanceRecord.java
rename to archive/java/src/org/broadinstitute/sting/mendelian/TrioConcordanceRecord.java
diff --git a/java/src/org/broadinstitute/sting/playground/utils/CountedObject.java b/archive/java/src/org/broadinstitute/sting/oldindels/CountedObject.java
similarity index 100%
rename from java/src/org/broadinstitute/sting/playground/utils/CountedObject.java
rename to archive/java/src/org/broadinstitute/sting/oldindels/CountedObject.java
diff --git a/java/src/org/broadinstitute/sting/playground/utils/CountedObjectComparatorAdapter.java b/archive/java/src/org/broadinstitute/sting/oldindels/CountedObjectComparatorAdapter.java
similarity index 100%
rename from java/src/org/broadinstitute/sting/playground/utils/CountedObjectComparatorAdapter.java
rename to archive/java/src/org/broadinstitute/sting/oldindels/CountedObjectComparatorAdapter.java
diff --git a/java/src/org/broadinstitute/sting/playground/utils/Interval.java b/archive/java/src/org/broadinstitute/sting/oldindels/Interval.java
similarity index 100%
rename from java/src/org/broadinstitute/sting/playground/utils/Interval.java
rename to archive/java/src/org/broadinstitute/sting/oldindels/Interval.java
diff --git a/java/src/org/broadinstitute/sting/playground/utils/SimpleInterval.java b/archive/java/src/org/broadinstitute/sting/oldindels/SimpleInterval.java
similarity index 100%
rename from java/src/org/broadinstitute/sting/playground/utils/SimpleInterval.java
rename to archive/java/src/org/broadinstitute/sting/oldindels/SimpleInterval.java
diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/indels/IndelGenotyperV2Walker.java b/java/src/org/broadinstitute/sting/gatk/walkers/indels/IndelGenotyperV2Walker.java
index b11131bd2..221bbd086 100644
--- a/java/src/org/broadinstitute/sting/gatk/walkers/indels/IndelGenotyperV2Walker.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/indels/IndelGenotyperV2Walker.java
@@ -9,7 +9,6 @@ import org.broadinstitute.sting.gatk.filters.PlatformUnitFilterHelper;
 import org.broadinstitute.sting.gatk.refdata.*;
 import org.broadinstitute.sting.utils.cmdLine.Argument;
 import org.broadinstitute.sting.utils.*;
-import org.broadinstitute.sting.playground.utils.CircularArray;
 
 import java.util.*;
 import java.io.IOException;
diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/indels/IndelGenotyperWalker.java b/java/src/org/broadinstitute/sting/gatk/walkers/indels/IndelGenotyperWalker.java
index 39ea0118d..6f16ebc73 100644
--- a/java/src/org/broadinstitute/sting/gatk/walkers/indels/IndelGenotyperWalker.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/indels/IndelGenotyperWalker.java
@@ -9,7 +9,6 @@ import org.broadinstitute.sting.gatk.filters.Platform454Filter;
 import org.broadinstitute.sting.gatk.filters.ZeroMappingQualityReadFilter;
 import org.broadinstitute.sting.gatk.filters.PlatformUnitFilter;
 import org.broadinstitute.sting.gatk.filters.PlatformUnitFilterHelper;
-import org.broadinstitute.sting.playground.utils.CircularArray;
 
 import org.broadinstitute.sting.utils.*;
 import org.broadinstitute.sting.utils.cmdLine.Argument;
diff --git a/java/src/org/broadinstitute/sting/utils/AlignmentUtils.java b/java/src/org/broadinstitute/sting/utils/AlignmentUtils.java
index 18c28679c..28ee7caa4 100644
--- a/java/src/org/broadinstitute/sting/utils/AlignmentUtils.java
+++ b/java/src/org/broadinstitute/sting/utils/AlignmentUtils.java
@@ -5,9 +5,7 @@ import net.sf.samtools.SAMRecord;
 import net.sf.samtools.Cigar;
 import net.sf.samtools.CigarElement;
 import net.sf.picard.reference.ReferenceSequence;
-import org.broadinstitute.sting.playground.utils.CountedObject;
 
-import java.util.*;
 
 /**
  * Created by IntelliJ IDEA.
diff --git a/java/src/org/broadinstitute/sting/playground/utils/CircularArray.java b/java/src/org/broadinstitute/sting/utils/CircularArray.java
similarity index 98%
rename from java/src/org/broadinstitute/sting/playground/utils/CircularArray.java
rename to java/src/org/broadinstitute/sting/utils/CircularArray.java
index 28fc06074..2b3372657 100644
--- a/java/src/org/broadinstitute/sting/playground/utils/CircularArray.java
+++ b/java/src/org/broadinstitute/sting/utils/CircularArray.java
@@ -1,8 +1,6 @@
-package org.broadinstitute.sting.playground.utils;
+package org.broadinstitute.sting.utils;
 
 
-import org.broadinstitute.sting.utils.StingException;
-
 /** This class, closely resembling a deque (except that it is not dynamically grown), 
  * provides an object with array-like interface and efficient 
  * implementation of shift operation. Use this class when some kind of sliding window is required: