diff --git a/public/java/src/org/broadinstitute/sting/gatk/samples/Sample.java b/public/java/src/org/broadinstitute/sting/gatk/samples/Sample.java
index 3e61e03d9..d57668715 100644
--- a/public/java/src/org/broadinstitute/sting/gatk/samples/Sample.java
+++ b/public/java/src/org/broadinstitute/sting/gatk/samples/Sample.java
@@ -3,7 +3,6 @@ package org.broadinstitute.sting.gatk.samples;
 
 import org.broadinstitute.sting.utils.exceptions.UserException;
 
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
diff --git a/public/java/src/org/broadinstitute/sting/gatk/samples/SampleDB.java b/public/java/src/org/broadinstitute/sting/gatk/samples/SampleDB.java
index 9abc28517..4bcf3c938 100644
--- a/public/java/src/org/broadinstitute/sting/gatk/samples/SampleDB.java
+++ b/public/java/src/org/broadinstitute/sting/gatk/samples/SampleDB.java
@@ -1,13 +1,10 @@
 package org.broadinstitute.sting.gatk.samples;
 
-import net.sf.samtools.SAMFileHeader;
 import net.sf.samtools.SAMReadGroupRecord;
 import net.sf.samtools.SAMRecord;
-import org.broadinstitute.sting.utils.SampleUtils;
 import org.broadinstitute.sting.utils.exceptions.StingException;
 import org.broadinstitute.sting.utils.variantcontext.Genotype;
 
-import java.io.File;
 import java.util.*;
 
 /**
diff --git a/public/java/src/org/broadinstitute/sting/gatk/samples/SampleDBBuilder.java b/public/java/src/org/broadinstitute/sting/gatk/samples/SampleDBBuilder.java
index 87733d1f6..807b150b2 100644
--- a/public/java/src/org/broadinstitute/sting/gatk/samples/SampleDBBuilder.java
+++ b/public/java/src/org/broadinstitute/sting/gatk/samples/SampleDBBuilder.java
@@ -25,13 +25,9 @@
 package org.broadinstitute.sting.gatk.samples;
 
 import net.sf.samtools.SAMFileHeader;
-import net.sf.samtools.SAMReadGroupRecord;
-import net.sf.samtools.SAMRecord;
 import org.broadinstitute.sting.gatk.GenomeAnalysisEngine;
 import org.broadinstitute.sting.utils.SampleUtils;
-import org.broadinstitute.sting.utils.exceptions.StingException;
 import org.broadinstitute.sting.utils.exceptions.UserException;
-import org.broadinstitute.sting.utils.variantcontext.Genotype;
 
 import java.io.File;
 import java.io.FileNotFoundException;
diff --git a/public/java/test/org/broadinstitute/sting/gatk/samples/SampleDBUnitTest.java b/public/java/test/org/broadinstitute/sting/gatk/samples/SampleDBUnitTest.java
index f6d3b42b8..b6b4fab54 100644
--- a/public/java/test/org/broadinstitute/sting/gatk/samples/SampleDBUnitTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/samples/SampleDBUnitTest.java
@@ -2,8 +2,6 @@ package org.broadinstitute.sting.gatk.samples;
 
 import net.sf.samtools.SAMFileHeader;
 import org.broadinstitute.sting.BaseTest;
-
-import org.broadinstitute.sting.gatk.GenomeAnalysisEngine;
 import org.broadinstitute.sting.utils.exceptions.UserException;
 import org.broadinstitute.sting.utils.sam.ArtificialSAMUtils;
 import org.testng.Assert;
@@ -11,7 +9,9 @@ import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
 import java.io.File;
-import java.util.*;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
 
 /**
  * Created by IntelliJ IDEA.
diff --git a/public/java/test/org/broadinstitute/sting/gatk/samples/SampleUnitTest.java b/public/java/test/org/broadinstitute/sting/gatk/samples/SampleUnitTest.java
index c2c9d77c6..bc8a98c22 100644
--- a/public/java/test/org/broadinstitute/sting/gatk/samples/SampleUnitTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/samples/SampleUnitTest.java
@@ -1,8 +1,7 @@
 package org.broadinstitute.sting.gatk.samples;
 
-import org.testng.Assert;
 import org.broadinstitute.sting.BaseTest;
-
+import org.testng.Assert;
 import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;