diff --git a/src/main/java/org/elasticsearch/common/recycler/RecyclerUtils.java b/src/main/java/org/elasticsearch/common/recycler/RecyclerUtils.java
deleted file mode 100644
index 796319fb302..00000000000
--- a/src/main/java/org/elasticsearch/common/recycler/RecyclerUtils.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-
-package org.elasticsearch.common.recycler;
-
-/**
- */
-public final class RecyclerUtils {
-
-    private RecyclerUtils() {
-    }
-
-    // Borrowed from IOUtils#close
-    public static void release(Recycler.V... recyclers) {
-        Throwable th = null;
-
-        for (Recycler.V recycler : recyclers) {
-            try {
-                if (recycler != null) {
-                    recycler.release();
-                }
-            } catch (Throwable t) {
-                if (th == null) {
-                    th = t;
-                }
-            }
-        }
-
-        if (th != null) {
-            throw new RuntimeException(th);
-        }
-    }
-
-}
diff --git a/src/main/java/org/elasticsearch/index/search/child/ChildrenConstantScoreQuery.java b/src/main/java/org/elasticsearch/index/search/child/ChildrenConstantScoreQuery.java
index a0c82a3171d..07696d74fac 100644
--- a/src/main/java/org/elasticsearch/index/search/child/ChildrenConstantScoreQuery.java
+++ b/src/main/java/org/elasticsearch/index/search/child/ChildrenConstantScoreQuery.java
@@ -30,11 +30,11 @@ import org.apache.lucene.util.BytesRef;
 import org.elasticsearch.ElasticsearchException;
 import org.elasticsearch.common.bytes.HashedBytesArray;
 import org.elasticsearch.common.lease.Releasable;
+import org.elasticsearch.common.lease.Releasables;
 import org.elasticsearch.common.lucene.docset.DocIdSets;
 import org.elasticsearch.common.lucene.search.ApplyAcceptedDocsFilter;
 import org.elasticsearch.common.lucene.search.Queries;
 import org.elasticsearch.common.recycler.Recycler;
-import org.elasticsearch.common.recycler.RecyclerUtils;
 import org.elasticsearch.index.cache.id.IdReaderTypeCache;
 import org.elasticsearch.index.mapper.Uid;
 import org.elasticsearch.index.mapper.internal.UidFieldMapper;
@@ -193,7 +193,7 @@ public class ChildrenConstantScoreQuery extends Query {
 
         @Override
         public boolean release() throws ElasticsearchException {
-            RecyclerUtils.release(collectedUids);
+            Releasables.release(collectedUids);
             return true;
         }
 
diff --git a/src/main/java/org/elasticsearch/index/search/child/ChildrenQuery.java b/src/main/java/org/elasticsearch/index/search/child/ChildrenQuery.java
index 1c9bbf9567e..8e325171f24 100644
--- a/src/main/java/org/elasticsearch/index/search/child/ChildrenQuery.java
+++ b/src/main/java/org/elasticsearch/index/search/child/ChildrenQuery.java
@@ -32,12 +32,12 @@ import org.apache.lucene.util.ToStringUtils;
 import org.elasticsearch.ElasticsearchException;
 import org.elasticsearch.common.bytes.HashedBytesArray;
 import org.elasticsearch.common.lease.Releasable;
+import org.elasticsearch.common.lease.Releasables;
 import org.elasticsearch.common.lucene.docset.DocIdSets;
 import org.elasticsearch.common.lucene.search.AndFilter;
 import org.elasticsearch.common.lucene.search.ApplyAcceptedDocsFilter;
 import org.elasticsearch.common.lucene.search.Queries;
 import org.elasticsearch.common.recycler.Recycler;
-import org.elasticsearch.common.recycler.RecyclerUtils;
 import org.elasticsearch.index.cache.id.IdReaderTypeCache;
 import org.elasticsearch.index.mapper.Uid;
 import org.elasticsearch.index.mapper.internal.UidFieldMapper;
@@ -252,7 +252,7 @@ public class ChildrenQuery extends Query {
 
         @Override
         public boolean release() throws ElasticsearchException {
-            RecyclerUtils.release(uidToScore, uidToCount);
+            Releasables.release(uidToScore, uidToCount);
             return true;
         }
 
diff --git a/src/main/java/org/elasticsearch/index/search/child/ParentConstantScoreQuery.java b/src/main/java/org/elasticsearch/index/search/child/ParentConstantScoreQuery.java
index 137f37edce7..ad1b9063138 100644
--- a/src/main/java/org/elasticsearch/index/search/child/ParentConstantScoreQuery.java
+++ b/src/main/java/org/elasticsearch/index/search/child/ParentConstantScoreQuery.java
@@ -28,12 +28,12 @@ import org.apache.lucene.util.Bits;
 import org.elasticsearch.ElasticsearchException;
 import org.elasticsearch.common.bytes.HashedBytesArray;
 import org.elasticsearch.common.lease.Releasable;
+import org.elasticsearch.common.lease.Releasables;
 import org.elasticsearch.common.lucene.docset.DocIdSets;
 import org.elasticsearch.common.lucene.search.ApplyAcceptedDocsFilter;
 import org.elasticsearch.common.lucene.search.NoopCollector;
 import org.elasticsearch.common.lucene.search.Queries;
 import org.elasticsearch.common.recycler.Recycler;
-import org.elasticsearch.common.recycler.RecyclerUtils;
 import org.elasticsearch.index.cache.id.IdReaderTypeCache;
 import org.elasticsearch.search.internal.SearchContext;
 
@@ -156,7 +156,7 @@ public class ParentConstantScoreQuery extends Query {
 
         @Override
         public boolean release() throws ElasticsearchException {
-            RecyclerUtils.release(parents);
+            Releasables.release(parents);
             return true;
         }
 
diff --git a/src/main/java/org/elasticsearch/index/search/child/ParentQuery.java b/src/main/java/org/elasticsearch/index/search/child/ParentQuery.java
index 25412c369fc..ca16931f219 100644
--- a/src/main/java/org/elasticsearch/index/search/child/ParentQuery.java
+++ b/src/main/java/org/elasticsearch/index/search/child/ParentQuery.java
@@ -29,12 +29,12 @@ import org.apache.lucene.util.ToStringUtils;
 import org.elasticsearch.ElasticsearchException;
 import org.elasticsearch.common.bytes.HashedBytesArray;
 import org.elasticsearch.common.lease.Releasable;
+import org.elasticsearch.common.lease.Releasables;
 import org.elasticsearch.common.lucene.docset.DocIdSets;
 import org.elasticsearch.common.lucene.search.ApplyAcceptedDocsFilter;
 import org.elasticsearch.common.lucene.search.NoopCollector;
 import org.elasticsearch.common.lucene.search.Queries;
 import org.elasticsearch.common.recycler.Recycler;
-import org.elasticsearch.common.recycler.RecyclerUtils;
 import org.elasticsearch.index.cache.id.IdReaderTypeCache;
 import org.elasticsearch.search.internal.SearchContext;
 
@@ -229,7 +229,7 @@ public class ParentQuery extends Query {
 
         @Override
         public boolean release() throws ElasticsearchException {
-            RecyclerUtils.release(uidToScore);
+            Releasables.release(uidToScore);
             return true;
         }
     }
diff --git a/src/main/java/org/elasticsearch/index/search/child/TopChildrenQuery.java b/src/main/java/org/elasticsearch/index/search/child/TopChildrenQuery.java
index a8c2d2424ab..8579bddd722 100644
--- a/src/main/java/org/elasticsearch/index/search/child/TopChildrenQuery.java
+++ b/src/main/java/org/elasticsearch/index/search/child/TopChildrenQuery.java
@@ -30,9 +30,9 @@ import org.elasticsearch.ElasticsearchIllegalStateException;
 import org.elasticsearch.cache.recycler.CacheRecycler;
 import org.elasticsearch.common.bytes.HashedBytesArray;
 import org.elasticsearch.common.lease.Releasable;
+import org.elasticsearch.common.lease.Releasables;
 import org.elasticsearch.common.lucene.search.EmptyScorer;
 import org.elasticsearch.common.recycler.Recycler;
-import org.elasticsearch.common.recycler.RecyclerUtils;
 import org.elasticsearch.search.internal.SearchContext;
 
 import java.io.IOException;
@@ -206,10 +206,10 @@ public class TopChildrenQuery extends Query {
                 ParentDoc[] _parentDocs = value.v().values().toArray(ParentDoc.class);
                 Arrays.sort(_parentDocs, PARENT_DOC_COMP);
                 parentDocs.v().put(keys[i], _parentDocs);
-                RecyclerUtils.release(value);
+                Releasables.release(value);
             }
         }
-        RecyclerUtils.release(parentDocsPerReader);
+        Releasables.release(parentDocsPerReader);
         return parentHitsResolved;
     }
 
@@ -282,7 +282,7 @@ public class TopChildrenQuery extends Query {
 
         @Override
         public boolean release() throws ElasticsearchException {
-            RecyclerUtils.release(parentDocs);
+            Releasables.release(parentDocs);
             return true;
         }