--- a/dom/indexedDB/IDBIndex.cpp
+++ b/dom/indexedDB/IDBIndex.cpp
@@ -303,18 +303,16 @@ GenerateRequest(IDBIndex* aIndex)
 already_AddRefed<IDBIndex>
 IDBIndex::Create(IDBObjectStore* aObjectStore,
                  const IndexInfo* aIndexInfo)
 {
   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
   NS_ASSERTION(aObjectStore, "Null pointer!");
   NS_ASSERTION(aIndexInfo, "Null pointer!");
 
-  IDBDatabase* database = aObjectStore->Transaction()->Database();
-
   nsRefPtr<IDBIndex> index = new IDBIndex();
 
   index->mObjectStore = aObjectStore;
   index->mId = aIndexInfo->id;
   index->mName = aIndexInfo->name;
   index->mKeyPath = aIndexInfo->keyPath;
   index->mKeyPathArray = aIndexInfo->keyPathArray;
   index->mUnique = aIndexInfo->unique;