diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/annotator/QualByDepth.java b/java/src/org/broadinstitute/sting/gatk/walkers/annotator/QualByDepth.java
index 56219ed1e..007ad966d 100755
--- a/java/src/org/broadinstitute/sting/gatk/walkers/annotator/QualByDepth.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/annotator/QualByDepth.java
@@ -3,7 +3,6 @@ package org.broadinstitute.sting.gatk.walkers.annotator;
 import org.broad.tribble.util.variantcontext.Genotype;
 import org.broad.tribble.util.variantcontext.GenotypeLikelihoods;
 import org.broad.tribble.util.variantcontext.VariantContext;
-import org.broad.tribble.vcf.VCFConstants;
 import org.broad.tribble.vcf.VCFHeaderLineType;
 import org.broad.tribble.vcf.VCFInfoHeaderLine;
 import org.broadinstitute.sting.gatk.contexts.ReferenceContext;
@@ -11,7 +10,6 @@ import org.broadinstitute.sting.gatk.contexts.StratifiedAlignmentContext;
 import org.broadinstitute.sting.gatk.refdata.RefMetaDataTracker;
 import org.broadinstitute.sting.gatk.walkers.annotator.interfaces.InfoFieldAnnotation;
 import org.broadinstitute.sting.gatk.walkers.annotator.interfaces.StandardAnnotation;
-import org.broadinstitute.sting.utils.MathUtils;
 import org.broadinstitute.sting.utils.Utils;
 
 import java.util.Map;