diff --git a/swarm/storage/ldbstore_test.go b/swarm/storage/ldbstore_test.go
index e8ff9c444b..0aada7347e 100644
--- a/swarm/storage/ldbstore_test.go
+++ b/swarm/storage/ldbstore_test.go
@@ -388,9 +388,9 @@ func testLDBStoreCollectGarbage(t *testing.T) {
 			t.Fatal(err.Error())
 		}
 		allChunks = append(allChunks, chunks...)
-		ldb.lock.Lock()
+		ldb.lock.RLock()
 		log.Debug("ldbstore", "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt, "cap", capacity, "n", n)
-		ldb.lock.Unlock()
+		ldb.lock.RUnlock()
 
 		ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
 		defer cancel()
@@ -539,9 +539,9 @@ func testLDBStoreRemoveThenCollectGarbage(t *testing.T) {
 		remaining -= putCount
 		for putCount > 0 {
 			ldb.Put(context.TODO(), chunks[puts])
-			ldb.lock.Lock()
+			ldb.lock.RLock()
 			log.Debug("ldbstore", "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt, "cap", capacity, "n", n, "puts", puts, "remaining", remaining, "roundtarget", roundTarget)
-			ldb.lock.Unlock()
+			ldb.lock.RUnlock()
 			puts++
 			putCount--
 		}