diff --git a/src/MerkleTree.ts b/src/MerkleTree.ts
index e738dc3..f90c1cb 100644
--- a/src/MerkleTree.ts
+++ b/src/MerkleTree.ts
@@ -1453,7 +1453,6 @@ export class MerkleTree extends Base {
   }
 
   combineHashes (hashes: Buffer[]) {
-    hashes = hashes.filter(x => x.byteLength > 0)
     return this.concatenator(hashes)
   }
 }