diff --git a/lib/airport.js b/lib/airport.js
index 63c4617..1f48e40 100644
--- a/lib/airport.js
+++ b/lib/airport.js
@@ -7,8 +7,6 @@ const tool     = '/System/Library/PrivateFrameworks/Apple80211.framework/Version
 const cmdLine  = tool + ' -s';
 const detector = tool + ' -getInfo';
 
-const macRegex = /([0-9a-zA-Z]{1}[0-9a-zA-Z]{1}[:]{1}){5}[0-9a-zA-Z]{1}[0-9a-zA-Z]{1}/;
-
 /**
  * Parsing the output of airport (Mac OS X)
  * @param str output of the tool