1 files changed, 0 insertions, 22 deletions
diff --git a/activesupport/lib/active_support/core_ext/regexp.rb b/activesupport/lib/active_support/core_ext/regexp.rb
index 95d06ee6ee..784145f5fb 100644
--- a/activesupport/lib/active_support/core_ext/regexp.rb
+++ b/activesupport/lib/active_support/core_ext/regexp.rb
@@ -1,27 +1,5 @@
 class Regexp #:nodoc:
-  def number_of_captures
-    Regexp.new("|#{source}").match('').captures.length
-  end
-
   def multiline?
     options & MULTILINE == MULTILINE
   end
-
-  class << self
-    def optionalize(pattern)
-      return pattern if pattern == ""
-
-      case unoptionalize(pattern)
-        when /\A(.|\(.*\))\Z/ then "#{pattern}?"
-        else "(?:#{pattern})?"
-      end
-    end
-
-    def unoptionalize(pattern)
-      [/\A\(\?:(.*)\)\?\Z/, /\A(.|\(.*\))\?\Z/].each do |regexp|
-        return $1 if regexp =~ pattern
-      end
-      return pattern
-    end
-  end
 end