diff --git a/solr-conf/solrconfig-solr3x.xml b/solr-conf/solrconfig-solr3x.xml
index e6141ba..1051557 100644
--- a/solr-conf/solrconfig-solr3x.xml
+++ b/solr-conf/solrconfig-solr3x.xml
@@ -80,7 +80,7 @@
 
      Other implementations of MergePolicy must have a no-argument constructor
      -->
-    <!--<mergePolicy>org.apache.lucene.index.LogByteSizeMergePolicy</mergePolicy>-->
+    <mergePolicy>org.apache.lucene.index.LogByteSizeMergePolicy</mergePolicy>
 
     <!--
      Expert:
diff --git a/solr-conf/solrconfig.xml b/solr-conf/solrconfig.xml
index 7662df9..340542d 100644
--- a/solr-conf/solrconfig.xml
+++ b/solr-conf/solrconfig.xml
@@ -73,7 +73,7 @@
 
      Other implementations of MergePolicy must have a no-argument constructor
      -->
-    <!--<mergePolicy>org.apache.lucene.index.LogByteSizeMergePolicy</mergePolicy>-->
+    <mergePolicy>org.apache.lucene.index.LogByteSizeMergePolicy</mergePolicy>
 
     <!--
      Expert: