diff --git a/kvdb/src/lib.rs b/kvdb/src/lib.rs
index 2bcb1b39c..afe95c861 100644
--- a/kvdb/src/lib.rs
+++ b/kvdb/src/lib.rs
@@ -158,10 +158,3 @@ pub trait KeyValueDB: Sync + Send + parity_util_mem::MallocSizeOf {
 		IoStats::empty()
 	}
 }
-
-/// Generic key-value database handler. This trait contains one function `open`.
-/// When called, it opens database with a predefined config.
-pub trait KeyValueDBHandler: Send + Sync {
-	/// Open the predefined key-value database.
-	fn open(&self, path: &Path) -> io::Result<Arc<dyn KeyValueDB>>;
-}