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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 2a9139749d..ac4f53c774 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -1,7 +1,6 @@
require "active_support/core_ext/module/delegation"
require "active_support/core_ext/class/attribute_accessors"
require 'active_support/deprecation'
-require 'active_record/schema_migration'
require 'set'
module ActiveRecord