diff --git a/java/src/org/broadinstitute/sting/gatk/GenomeAnalysisEngine.java b/java/src/org/broadinstitute/sting/gatk/GenomeAnalysisEngine.java
index 6cbcaa5b5..775f43ce6 100755
--- a/java/src/org/broadinstitute/sting/gatk/GenomeAnalysisEngine.java
+++ b/java/src/org/broadinstitute/sting/gatk/GenomeAnalysisEngine.java
@@ -769,10 +769,6 @@ public class GenomeAnalysisEngine {
         if (reads.getReadsFiles().size() == 0)
             return null;
 
-        // Force dynamic merging to use original sharding method until memory usage is under control.
-        if (reads.getReadsFiles().size() > 1)
-            argCollection.disableExperimentalSharding = true;
-
         SAMDataSource dataSource = null;
         if(!argCollection.disableExperimentalSharding)
             dataSource = new BlockDrivenSAMDataSource(reads);