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-rw-r--r--activerecord/lib/active_record/migration.rb1
1 files changed, 0 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 9dca4a69be..198f0a18cb 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -1,6 +1,5 @@
require 'active_support/core_ext/kernel/singleton_class'
require 'active_support/core_ext/module/aliasing'
-require 'action_controller/metal/exceptions'
module ActiveRecord
# Exception that can be raised to stop migrations from going backwards.