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-rw-r--r--activesupport/lib/active_support/core_ext/object/extending.rb4
1 files changed, 0 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/extending.rb b/activesupport/lib/active_support/core_ext/object/extending.rb
index 357ac4a18d..ab446e399d 100644
--- a/activesupport/lib/active_support/core_ext/object/extending.rb
+++ b/activesupport/lib/active_support/core_ext/object/extending.rb
@@ -1,8 +1,4 @@
require 'active_support/core_ext/object/blank'
class Object
- def extended_by #:nodoc:
- ancestors = class << self; ancestors end
- ancestors.select { |mod| mod.class == Module } - [ Object, Kernel ]
- end
end