diff --git a/src/libsaml.ts b/src/libsaml.ts
index d04b964..3a6d342 100644
--- a/src/libsaml.ts
+++ b/src/libsaml.ts
@@ -444,8 +444,6 @@ const libSaml = () => {
 
         sig.loadSignature(signatureNode);
 
-        doc.removeChild(signatureNode);
-
         verified = verified && sig.checkSignature(doc.toString());
 
         // immediately throw error when any one of the signature is failed to get verified