diff --git a/config/initializers/core_ext.rb b/config/initializers/core_ext.rb
deleted file mode 100644
index 507a0cf3..00000000
--- a/config/initializers/core_ext.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-# See test_url_with_slash_in_query_string_are_parsed_correctly in test/functional/todos_controller_test.rb
-# and http://blog.swivel.com/code/2009/06/rails-auto_link-and-certain-query-strings.html
-module ActionView::Helpers::TextHelper
-  remove_const :AUTO_LINK_RE
-  AUTO_LINK_RE = %r{
-              (                          # leading text
-                <\w+.*?>|                # leading HTML tag, or
-                [^=!:'"/]|               # leading punctuation, or
-                ^                        # beginning of line
-              )
-              (
-                (?:https?://)|           # protocol spec, or
-                (?:www\.)                # www.*
-              )
-              (
-                [-\w]+                   # subdomain or domain
-                (?:\.[-\w]+)*            # remaining subdomains or domain
-                (?::\d+)?                # port
-                (?:/(?:[~\w\+@%=\(\)-]|(?:[,.;:'][^\s$]))*)* # path
-                (?:\?[\w\+@%&=.;:/-]+)?     # query string
-                (?:\#[\w\-]*)?           # trailing anchor
-              )
-              ([[:punct:]]|<|$|)       # trailing text
-             }x
-end