Revert "`belongs_to :touch` behavior now touches old association when transitioning to new association" until a proper fix is found for #10197

1 files changed, 1 insertions, 12 deletions

diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb
index 092230b2f7..c3026dc23c 100644
--- a/activerecord/lib/active_record/associations/builder/belongs_to.rb
+++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb
@@ -67,19 +67,8 @@ module ActiveRecord::Associations::Builder
     def add_touch_callbacks(reflection)
       mixin.class_eval <<-CODE, __FILE__, __LINE__ + 1
         def belongs_to_touch_after_save_or_destroy_for_#{name}
-          foreign_key_field = #{reflection.foreign_key.inspect}
-          old_foreign_id    = attribute_was(foreign_key_field)
-
-          if old_foreign_id
-            reflection_klass = #{reflection.klass}
-            old_record       = reflection_klass.find_by(reflection_klass.primary_key => old_foreign_id)
-
-            if old_record
-              old_record.touch #{options[:touch].inspect if options[:touch] != true}
-            end
-          end
-
           record = #{name}
+
           unless record.nil? || record.new_record?
             record.touch #{options[:touch].inspect if options[:touch] != true}
           end