diff --git a/config/initializers/as_to_time.rb b/config/initializers/as_to_time.rb
deleted file mode 100644
index f75513d4abf..00000000000
--- a/config/initializers/as_to_time.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-require 'active_support/core_ext/string/conversions'
-require 'active_support/deprecation'
-
-class String
-  alias_method :old_to_time, :to_time
-
-  OBJ = Object.new
-
-  def to_time(form = OBJ)
-    if form == OBJ
-      ActiveSupport::Deprecation.warn("Rails 4 changes the default of String#to_time to local.  Please pass the type of conversion you want, like to_time(:utc) or to_time(:local)", caller.drop(1))
-      old_to_time(:utc)
-    else
-      old_to_time(form)
-    end
-  end
-end