diff --git a/programs/mutant-5/swen90006/passbook/PassBook.java b/programs/mutant-5/swen90006/passbook/PassBook.java
index da6b60257816038614f88e19586604f65d6c55ab..0e300c9b917a339b5915e50edf22c2761f85cc2e 100644
--- a/programs/mutant-5/swen90006/passbook/PassBook.java
+++ b/programs/mutant-5/swen90006/passbook/PassBook.java
@@ -84,9 +84,7 @@ public class PassBook
 	}
 	//check the passphrase strength
 	else {
-	    	if(passbookUsername.length()==0) {
-			throw new WeakPassphraseException(passphrase);
-		}
+
 	    if (passphrase.length() < MINIMUM_PASSPHRASE_LENGTH) {
 		throw new WeakPassphraseException(passphrase);
 	    }