diff --git a/db/write_batch_test.cc b/db/write_batch_test.cc
index 4aba21ca4..6b66e9293 100644
--- a/db/write_batch_test.cc
+++ b/db/write_batch_test.cc
@@ -69,7 +69,7 @@ static std::string PrintContents(WriteBatch* b) {
   } else if (count != WriteBatchInternal::Count(b)) {
     state.append("CountMismatch()");
   }
-  mem->Unref();
+  delete mem->Unref();
   return state;
 }
 
diff --git a/table/table_test.cc b/table/table_test.cc
index 394aa4b9d..2214c25a1 100644
--- a/table/table_test.cc
+++ b/table/table_test.cc
@@ -374,10 +374,10 @@ class MemTableConstructor: public Constructor {
     memtable_->Ref();
   }
   ~MemTableConstructor() {
-    memtable_->Unref();
+    delete memtable_->Unref();
   }
   virtual Status FinishImpl(const Options& options, const KVMap& data) {
-    memtable_->Unref();
+    delete memtable_->Unref();
     memtable_ = new MemTable(internal_comparator_, table_factory_);
     memtable_->Ref();
     int seq = 1;
@@ -1289,7 +1289,7 @@ TEST(MemTableTest, Simple) {
   }
 
   delete iter;
-  memtable->Unref();
+  delete memtable->Unref();
 }