diff --git a/extensions/evasion/helper.rb b/extensions/evasion/helper.rb
deleted file mode 100644
index 80f00d5c7..000000000
--- a/extensions/evasion/helper.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-# Copyright (c) 2006-2019 Wade Alcorn - wade@bindshell.net
-# Browser Exploitation Framework (BeEF) - http://beefproject.com
-# See the file 'doc/COPYING' for copying permission
-#
-module BeEF
-  module Extension
-    module Evasion
-      # Common methods used by multiple obfuscation techniques
-      module Helper
-
-        def self.random_string(length=5)
-          chars = 'abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ'
-          result = ''
-          length.times { result << chars[rand(chars.size)] }
-          result
-        end
-
-      end
-    end
-  end
-end
-