diff --git a/core/src/main/java/org/elasticsearch/search/dfs/AggregatedDfs.java b/core/src/main/java/org/elasticsearch/search/dfs/AggregatedDfs.java
index d762540caabef..f7bfb6a805251 100644
--- a/core/src/main/java/org/elasticsearch/search/dfs/AggregatedDfs.java
+++ b/core/src/main/java/org/elasticsearch/search/dfs/AggregatedDfs.java
@@ -85,10 +85,10 @@ public void writeTo(final StreamOutput out) throws IOException {
         out.writeVInt(termStatistics.size());
 
         for (ObjectObjectCursor<Term, TermStatistics> c : termStatistics()) {
-            Term term = (Term) c.key;
+            Term term = c.key;
             out.writeString(term.field());
             out.writeBytesRef(term.bytes());
-            TermStatistics stats = (TermStatistics) c.value;
+            TermStatistics stats = c.value;
             out.writeBytesRef(stats.term());
             out.writeVLong(stats.docFreq());
             out.writeVLong(DfsSearchResult.addOne(stats.totalTermFreq()));