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-rw-r--r--activesupport/lib/active_support/callbacks.rb5
1 files changed, 2 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb
index ba9fb4ecce..2ebafa28dd 100644
--- a/activesupport/lib/active_support/callbacks.rb
+++ b/activesupport/lib/active_support/callbacks.rb
@@ -381,9 +381,8 @@ module ActiveSupport
name = __callback_runner_name(nil, symbol)
undef_method(name) if method_defined?(name)
- silence_warnings do
- runner_method = "_run_#{symbol}_callbacks"
- undef_method runner_method if method_defined?(runner_method)
+ runner_method = "_run_#{symbol}_callbacks"
+ unless private_method_defined?(runner_method)
class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
def #{runner_method}(key = nil, &blk)
self.class.__run_callback(key, :#{symbol}, self, &blk)