diff --git a/lib/phone_formatter.js b/lib/phone_formatter.js
index <HASH>..<HASH> 100644
--- a/lib/phone_formatter.js
+++ b/lib/phone_formatter.js
@@ -57,7 +57,6 @@ class PhoneFormatter extends DelimitedTextFormatter {
     if (args.length !== 0) {
       throw new Error('were you trying to set a delimiter ('+args[0]+')?');
     }
-    super();
   }
 
   /**
Prevent default constructor behavior in PhoneFormatter.