diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb
index 289ee359a5..6066effd86 100644
--- a/activerecord/test/cases/associations/eager_test.rb
+++ b/activerecord/test/cases/associations/eager_test.rb
@@ -981,10 +981,16 @@ class EagerAssociationTest < ActiveRecord::TestCase
     LazyReader.create! :person => people(:susan), :post => post
 
     assert_equal 1, post.lazy_readers.to_a.size
-    assert_equal 2, post.lazy_readers_skimmers_or_not.to_a.size
+
+    # This test relied on some completely broken and incorrect behaviour in
+    # ActiveRecord that we've fixed.
+    #
+    # assert_equal 2, post.lazy_readers_skimmers_or_not.to_a.size
+
+    assert_equal 1, post.lazy_readers_skimmers_or_not.to_a.size
 
     post_with_readers = Post.includes(:lazy_readers_skimmers_or_not).find(post.id)
-    assert_equal 2, post_with_readers.lazy_readers_skimmers_or_not.to_a.size
+    assert_equal 1, post_with_readers.lazy_readers_skimmers_or_not.to_a.size
   end
 
   def test_include_has_many_using_primary_key
diff --git a/activerecord/test/cases/relation_scoping_test.rb b/activerecord/test/cases/relation_scoping_test.rb
index 1e2093273e..698984956f 100644
--- a/activerecord/test/cases/relation_scoping_test.rb
+++ b/activerecord/test/cases/relation_scoping_test.rb
@@ -278,7 +278,13 @@ class HasManyScopingTest< ActiveRecord::TestCase
 
   def test_should_default_scope_on_associations_is_overriden_by_association_conditions
     reference = references(:michael_unicyclist).becomes(BadReference)
-    assert_equal [reference], people(:michael).fixed_bad_references
+
+    # This test relied on some completely broken and incorrect behaviour in
+    # ActiveRecord that we've fixed.
+    #
+    # assert_equal [reference], people(:michael).fixed_bad_references
+
+    assert_equal [], people(:michael).fixed_bad_references
   end
 
   def test_should_maintain_default_scope_on_eager_loaded_associations