Revert "Ensure that save on child object fails for invalid belongs_to association. Closes #11555. [rubyruy]"

This reverts commit c67e985994362290308073ed2793dd8e7f2a76db.

3 files changed, 0 insertions, 16 deletions

diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index e79487c687..3248594c19 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -2,8 +2,6 @@
 
 * Change validates_uniqueness_of :case_sensitive option default back to true (from [9160]).  Love your database columns, don't LOWER them.  [rick]
 
-* Ensure that save on child object fails for invalid belongs_to association. Closes #11555. [rubyruy]
-
 * Add support for interleaving migrations by storing which migrations have run in the new schema_migrations table. Closes #11493 [jordi]
 
 * ActiveRecord::Base#sum defaults to 0 if no rows are returned.  Closes #11550 [kamal]
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 3ea933875d..7d27b0607a 100755
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -922,8 +922,6 @@ module ActiveRecord
           )
         end
 
-        add_single_associated_save_callbacks(reflection.name)
-
         configure_dependency_for_belongs_to(reflection)
       end
 
diff --git a/activerecord/test/cases/associations/belongs_to_associations_test.rb b/activerecord/test/cases/associations/belongs_to_associations_test.rb
index 75f236aca0..b8ec9117af 100644
--- a/activerecord/test/cases/associations/belongs_to_associations_test.rb
+++ b/activerecord/test/cases/associations/belongs_to_associations_test.rb
@@ -377,16 +377,4 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase
     assert companies(:first_client).readonly_firm.readonly?
   end
 
-  def test_save_fails_for_invalid_belongs_to
-    log = AuditLog.new
-    assert log.valid?
-
-    log.build_developer # Build invalid association
-    assert !log.developer.valid?
-    assert !log.valid?
-    assert_equal "is invalid", log.errors.on("developer")
-    
-    assert !log.save
-  end
-
 end