diff --git a/brmdoor_authenticator.py b/brmdoor_authenticator.py
index 110a21f..4478bc3 100644
--- a/brmdoor_authenticator.py
+++ b/brmdoor_authenticator.py
@@ -161,7 +161,6 @@ class DesfireEd25519Authenthicator(object):
         """
         Returns true iff uid (as binary) is the message signed by signature (binary string)
         """
-        print "Signature len:", len(signature)
         verified = curve.verifySignature(self.pubKey, uid, signature) == 0
         return verified