diff --git a/leveldb.go b/leveldb.go
index ac9d373..07a126a 100644
--- a/leveldb.go
+++ b/leveldb.go
@@ -72,11 +72,11 @@ func (ldbs *LevelDBSession) Fetch(hash, key []byte) (value []byte, err error) {
 	ldbs.backend.doRead(func(db *leveldb.DB) {
 		ro := leveldb.NewReadOptions()
 		value, err = ldbs.backend.db.Get(ro, key)
-		if err != nil {
-			log.Printf("Fetch key = '%s' len(value) = %d\n", key, len(value))
-		} else {
-			log.Printf("Fetch key '%s' failed.\n", key)
-		}
+		//if err != nil {
+		//	log.Printf("Fetch key '%s' failed.\n", key)
+		//} else {
+		//  log.Printf("Fetch key = '%s' len(value) = %d\n", key, len(value))
+		//}
 		ro.Close()
 	})
 	return
@@ -105,12 +105,12 @@ func (ldbs *LevelDBSession) Store(hash, key, value []byte) (exists bool, err err
 		}
 
 		if ldbs.tx != nil {
-			log.Printf("Stored in tx: key = '%s' len(value) = %d\n", key, len(value))
+			//log.Printf("Stored in tx: key = '%s' len(value) = %d\n", key, len(value))
 			ldbs.tx.Put(key, value)
 			return
 		}
 
-		log.Printf("Stored: key = '%s' len(value) = %d\n", key, len(value))
+		//log.Printf("Stored: key = '%s' len(value) = %d\n", key, len(value))
 		wo := leveldb.NewWriteOptions()
 		err = ldbs.backend.db.Put(wo, key, value)
 		wo.Close()