diff --git a/public/java/src/org/broadinstitute/sting/gatk/refdata/VariantContextAdaptors.java b/public/java/src/org/broadinstitute/sting/gatk/refdata/VariantContextAdaptors.java
index bf490e28c..7bf518fd5 100755
--- a/public/java/src/org/broadinstitute/sting/gatk/refdata/VariantContextAdaptors.java
+++ b/public/java/src/org/broadinstitute/sting/gatk/refdata/VariantContextAdaptors.java
@@ -3,7 +3,7 @@ package org.broadinstitute.sting.gatk.refdata;
 import net.sf.samtools.util.SequenceUtil;
 import org.broad.tribble.Feature;
 import org.broad.tribble.annotation.Strand;
-import org.broad.tribble.dbsnp.DbSNPFeature;
+import org.broad.tribble.dbsnp.OldDbSNPFeature;
 import org.broad.tribble.gelitext.GeliTextFeature;
 import org.broadinstitute.sting.gatk.contexts.ReferenceContext;
 import org.broadinstitute.sting.utils.classloader.PluginManager;
@@ -93,27 +93,27 @@ public class VariantContextAdaptors {
     // --------------------------------------------------------------------------------------------------------------
 
     private static class DBSnpAdaptor implements VCAdaptor {
-        private static boolean isSNP(DbSNPFeature feature) {
+        private static boolean isSNP(OldDbSNPFeature feature) {
             return feature.getVariantType().contains("single") && feature.getLocationType().contains("exact");
         }
 
-        private static boolean isMNP(DbSNPFeature feature) {
+        private static boolean isMNP(OldDbSNPFeature feature) {
             return feature.getVariantType().contains("mnp") && feature.getLocationType().contains("range");
         }
 
-        private static boolean isInsertion(DbSNPFeature feature) {
+        private static boolean isInsertion(OldDbSNPFeature feature) {
             return feature.getVariantType().contains("insertion");
         }
 
-        private static boolean isDeletion(DbSNPFeature feature) {
+        private static boolean isDeletion(OldDbSNPFeature feature) {
             return feature.getVariantType().contains("deletion");
         }
 
-        private static boolean isIndel(DbSNPFeature feature) {
+        private static boolean isIndel(OldDbSNPFeature feature) {
             return isInsertion(feature) || isDeletion(feature) || isComplexIndel(feature);
         }
 
-        public static boolean isComplexIndel(DbSNPFeature feature) {
+        public static boolean isComplexIndel(OldDbSNPFeature feature) {
             return feature.getVariantType().contains("in-del");
         }
 
@@ -125,7 +125,7 @@ public class VariantContextAdaptors {
          *
          * @return an alternate allele list
          */
-        public static List<String> getAlternateAlleleList(DbSNPFeature feature) {
+        public static List<String> getAlternateAlleleList(OldDbSNPFeature feature) {
             List<String> ret = new ArrayList<String>();
             for (String allele : getAlleleList(feature))
                 if (!allele.equals(String.valueOf(feature.getNCBIRefBase()))) ret.add(allele);
@@ -139,7 +139,7 @@ public class VariantContextAdaptors {
          *
          * @return an alternate allele list
          */
-        public static List<String> getAlleleList(DbSNPFeature feature) {
+        public static List<String> getAlleleList(OldDbSNPFeature feature) {
             List<String> alleleList = new ArrayList<String>();
             // add ref first
             if ( feature.getStrand() == Strand.POSITIVE )
@@ -156,14 +156,14 @@ public class VariantContextAdaptors {
 
         /**
          * Converts non-VCF formatted dbSNP records to VariantContext. 
-         * @return DbSNPFeature.
+         * @return OldDbSNPFeature.
          */
         @Override
-        public Class<? extends Feature> getAdaptableFeatureType() { return DbSNPFeature.class; }
+        public Class<? extends Feature> getAdaptableFeatureType() { return OldDbSNPFeature.class; }
 
         @Override        
         public VariantContext convert(String name, Object input, ReferenceContext ref) {
-            DbSNPFeature dbsnp = (DbSNPFeature)input;
+            OldDbSNPFeature dbsnp = (OldDbSNPFeature)input;
             if ( ! Allele.acceptableAlleleBases(dbsnp.getNCBIRefBase()) )
                 return null;
             Allele refAllele = Allele.create(dbsnp.getNCBIRefBase(), true);
diff --git a/public/java/src/org/broadinstitute/sting/gatk/walkers/variantutils/ValidateVariants.java b/public/java/src/org/broadinstitute/sting/gatk/walkers/variantutils/ValidateVariants.java
index c0f695966..2c7902914 100755
--- a/public/java/src/org/broadinstitute/sting/gatk/walkers/variantutils/ValidateVariants.java
+++ b/public/java/src/org/broadinstitute/sting/gatk/walkers/variantutils/ValidateVariants.java
@@ -26,7 +26,6 @@
 package org.broadinstitute.sting.gatk.walkers.variantutils;
 
 import org.broad.tribble.TribbleException;
-import org.broad.tribble.dbsnp.DbSNPFeature;
 import org.broadinstitute.sting.commandline.*;
 import org.broadinstitute.sting.gatk.arguments.DbsnpArgumentCollection;
 import org.broadinstitute.sting.gatk.arguments.StandardVariantContextInputArgumentCollection;
@@ -41,7 +40,6 @@ import org.broadinstitute.sting.utils.variantcontext.VariantContext;
 import java.io.File;
 import java.util.Collection;
 import java.util.HashSet;
-import java.util.List;
 import java.util.Set;
 
 
@@ -168,14 +166,9 @@ public class ValidateVariants extends RodWalker<Integer, Integer> {
         // get the RS IDs
         Set<String> rsIDs = null;
         if ( tracker.hasValues(dbsnp.dbsnp) ) {
-            List<VariantContext> dbsnpList = tracker.getValues(dbsnp.dbsnp, ref.getLocus());
             rsIDs = new HashSet<String>();
-            for ( Object d : dbsnpList ) {
-                if (d instanceof DbSNPFeature )
-                    rsIDs.add(((DbSNPFeature)d).getRsID());
-                else if (d instanceof VariantContext )
-                    rsIDs.add(((VariantContext)d).getID());
-            }
+            for ( VariantContext rsID : tracker.getValues(dbsnp.dbsnp, ref.getLocus()) )
+                rsIDs.add(rsID.getID());
         }
 
         try {
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VariantsToVCFIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VariantsToVCFIntegrationTest.java
index e740acf05..95fafac8d 100755
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VariantsToVCFIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VariantsToVCFIntegrationTest.java
@@ -23,7 +23,7 @@ public class VariantsToVCFIntegrationTest extends WalkerTest {
 
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 "-R " + b36KGReference +
-                        " --variant:dbsnp " + GATKDataLocation + "Comparisons/Validated/dbSNP/dbsnp_129_b36.rod" +
+                        " --variant:OldDbsnp " + GATKDataLocation + "Comparisons/Validated/dbSNP/dbsnp_129_b36.rod" +
                         " -T VariantsToVCF" +
                         " -L 1:1-30,000,000" +
                         " -o %s" +
diff --git a/settings/repository/org.broad/tribble-23.jar b/settings/repository/org.broad/tribble-24.jar
similarity index 93%
rename from settings/repository/org.broad/tribble-23.jar
rename to settings/repository/org.broad/tribble-24.jar
index 40e2d4c5e..b1c39e60a 100644
Binary files a/settings/repository/org.broad/tribble-23.jar and b/settings/repository/org.broad/tribble-24.jar differ
diff --git a/settings/repository/org.broad/tribble-23.xml b/settings/repository/org.broad/tribble-24.xml
similarity index 51%
rename from settings/repository/org.broad/tribble-23.xml
rename to settings/repository/org.broad/tribble-24.xml
index 2f6a16a03..9b2b967f8 100644
--- a/settings/repository/org.broad/tribble-23.xml
+++ b/settings/repository/org.broad/tribble-24.xml
@@ -1,3 +1,3 @@
 <ivy-module version="1.0">
-    <info organisation="org.broad" module="tribble" revision="23" status="integration" />
+    <info organisation="org.broad" module="tribble" revision="24" status="integration" />
 </ivy-module>