diff --git a/bloom/mem_store.go b/bloom/mem_store.go
index 221cf96..c807668 100644
--- a/bloom/mem_store.go
+++ b/bloom/mem_store.go
@@ -17,7 +17,6 @@ func newMemStore(size uint) *memStore {
 	return &memStore{
 		size: size,
 		set:  bitset.New(size),
-		lock: locker.RWLocker{},
 	}
 }