diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 4f21915d5ec20..31d360b01ebbe 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,7 @@
+*   Remove deprecated method `#scope_chain`.
+
+    *Rafael Mendonça França*
+
 *   Remove deprecated configuration `.error_on_ignored_order_or_limit`.
 
     *Rafael Mendonça França*
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb
index a60dad91d625f..8877f762b2f69 100644
--- a/activerecord/lib/active_record/reflection.rb
+++ b/activerecord/lib/active_record/reflection.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require "active_support/core_ext/string/filters"
-require "active_support/deprecation"
 require "concurrent/map"
 
 module ActiveRecord
@@ -174,11 +173,6 @@ def scopes
         scope ? [scope] : []
       end
 
-      def scope_chain
-        chain.map(&:scopes)
-      end
-      deprecate :scope_chain
-
       def build_join_constraint(table, foreign_table)
         key         = join_keys.key
         foreign_key = join_keys.foreign_key
diff --git a/activerecord/test/cases/reflection_test.rb b/activerecord/test/cases/reflection_test.rb
index 684d760da0f57..37c2235f1a983 100644
--- a/activerecord/test/cases/reflection_test.rb
+++ b/activerecord/test/cases/reflection_test.rb
@@ -253,32 +253,6 @@ def test_chain
     assert_equal expected, actual
   end
 
-  def test_scope_chain
-    expected = [
-      [Tagging.reflect_on_association(:tag).scope, Post.reflect_on_association(:first_blue_tags).scope],
-      [Post.reflect_on_association(:first_taggings).scope],
-      [Author.reflect_on_association(:misc_posts).scope]
-    ]
-    actual = assert_deprecated do
-      Author.reflect_on_association(:misc_post_first_blue_tags).scope_chain
-    end
-    assert_equal expected, actual
-
-    expected = [
-      [
-        Tagging.reflect_on_association(:blue_tag).scope,
-        Post.reflect_on_association(:first_blue_tags_2).scope,
-        Author.reflect_on_association(:misc_post_first_blue_tags_2).scope
-      ],
-      [],
-      []
-    ]
-    actual = assert_deprecated do
-      Author.reflect_on_association(:misc_post_first_blue_tags_2).scope_chain
-    end
-    assert_equal expected, actual
-  end
-
   def test_scope_chain_does_not_interfere_with_hmt_with_polymorphic_case
     @hotel = Hotel.create!
     @department = @hotel.departments.create!
@@ -415,18 +389,6 @@ def test_foreign_key
     assert_equal "category_id", Post.reflect_on_association(:categorizations).foreign_key.to_s
   end
 
-  def test_through_reflection_scope_chain_does_not_modify_other_reflections
-    orig_conds = assert_deprecated do
-      Post.reflect_on_association(:first_blue_tags_2).scope_chain
-    end.inspect
-    assert_deprecated do
-      Author.reflect_on_association(:misc_post_first_blue_tags_2).scope_chain
-    end
-    assert_equal orig_conds, assert_deprecated {
-      Post.reflect_on_association(:first_blue_tags_2).scope_chain
-    }.inspect
-  end
-
   def test_symbol_for_class_name
     assert_equal Client, Firm.reflect_on_association(:unsorted_clients_with_symbol).klass
   end