diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/EmpiricalSubstitutionGenotypeLikelihoods.java b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/EmpiricalSubstitutionGenotypeLikelihoods.java
index ae9c0a5bc..3130f785f 100755
--- a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/EmpiricalSubstitutionGenotypeLikelihoods.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/EmpiricalSubstitutionGenotypeLikelihoods.java
@@ -240,8 +240,6 @@ public class EmpiricalSubstitutionGenotypeLikelihoods extends GenotypeLikelihood
 
         return EMPIRICAL_CACHE[a][i][j][k][x];
     }
-  
-    protected void clearCache() { EMPIRICAL_CACHE = new GenotypeLikelihoods[EmpiricalSubstitutionGenotypeLikelihoods.SequencerPlatform.values().length][BaseUtils.BASES.length][QualityUtils.MAX_QUAL_SCORE][MAX_PLOIDY][2]; }
 
 
     // -----------------------------------------------------------------------------------------------------------------
diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/GenotypeLikelihoods.java b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/GenotypeLikelihoods.java
index 17a351396..6d765bb1a 100644
--- a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/GenotypeLikelihoods.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/GenotypeLikelihoods.java
@@ -188,11 +188,14 @@ public abstract class GenotypeLikelihoods implements Cloneable {
     }
 
     /**
-     * Sets the priors and clears the likelihoods cache.
+     * Sets the priors
      */
     public void setPriors(DiploidGenotypePriors priors) {
         this.priors = priors;
-        clearCache();
+        for ( DiploidGenotype g : DiploidGenotype.values() ) {
+            int i = g.ordinal();
+            posteriors[i] = priors.getPriors()[i] + likelihoods[i];
+        }
     }
 
     /**
@@ -347,10 +350,6 @@ public abstract class GenotypeLikelihoods implements Cloneable {
      */
     protected abstract GenotypeLikelihoods getSetCache( char observedBase, byte qualityScore, int ploidy,
                                                         SAMRecord read, int offset, GenotypeLikelihoods val );
-    /**
-     * Method for clearing the cache (in case we change the priors)
-     */
-    protected abstract void clearCache();
 
     protected GenotypeLikelihoods simpleGetSetCache( GenotypeLikelihoods[][][][] cache,
                                                      char observedBase, byte qualityScore, int ploidy,
diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/OneStateErrorGenotypeLikelihoods.java b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/OneStateErrorGenotypeLikelihoods.java
index ca46edf2e..1dae5e5db 100755
--- a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/OneStateErrorGenotypeLikelihoods.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/OneStateErrorGenotypeLikelihoods.java
@@ -47,5 +47,4 @@ public class OneStateErrorGenotypeLikelihoods extends GenotypeLikelihoods {
                                              SAMRecord read, int offset, GenotypeLikelihoods val ) {
         return simpleGetSetCache(ONE_STATE_CACHE, observedBase, qualityScore, ploidy, read, offset, val);
     }
-    protected void clearCache() { ONE_STATE_CACHE = new GenotypeLikelihoods[BaseUtils.BASES.length][QualityUtils.MAX_QUAL_SCORE][MAX_PLOIDY][2]; }    
 }
diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/ThreeStateErrorGenotypeLikelihoods.java b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/ThreeStateErrorGenotypeLikelihoods.java
index bda9481b6..fde835d3d 100755
--- a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/ThreeStateErrorGenotypeLikelihoods.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/ThreeStateErrorGenotypeLikelihoods.java
@@ -40,5 +40,4 @@ public class ThreeStateErrorGenotypeLikelihoods extends GenotypeLikelihoods {
                                              SAMRecord read, int offset, GenotypeLikelihoods val ) {
         return simpleGetSetCache(THREE_STATE_CACHE, observedBase, qualityScore, ploidy, read, offset, val);
     }
-    protected void clearCache() { THREE_STATE_CACHE = new GenotypeLikelihoods[BaseUtils.BASES.length][QualityUtils.MAX_QUAL_SCORE][MAX_PLOIDY][2]; }
 }