diff --git a/spec/compiler/crystal/tools/doc/type_spec.cr b/spec/compiler/crystal/tools/doc/type_spec.cr
index 6533955464fe..34ab535f6d5e 100644
--- a/spec/compiler/crystal/tools/doc/type_spec.cr
+++ b/spec/compiler/crystal/tools/doc/type_spec.cr
@@ -212,140 +212,4 @@ describe Doc::Type do
       type.macros.map(&.name).should eq ["+", "~", "foo"]
     end
   end
-
-  describe "#subclasses" do
-    it "only include types with docs" do
-      program = semantic(<<-CRYSTAL, wants_doc: true).program
-        class Foo
-        end
-
-        class Bar < Foo
-        end
-
-        # :nodoc:
-        class Baz < Foo
-        end
-
-        module Mod1
-          class Bar < ::Foo
-          end
-        end
-
-        # :nodoc:
-        module Mod2
-          class Baz < ::Foo
-          end
-        end
-        CRYSTAL
-
-      generator = Doc::Generator.new program, [""]
-      type = generator.type(program.types["Foo"])
-      type.subclasses.map(&.full_name).should eq ["Bar", "Mod1::Bar"]
-    end
-  end
-
-  describe "#ancestors" do
-    it "only include types with docs" do
-      program = semantic(<<-CRYSTAL, wants_doc: true).program
-        # :nodoc:
-        module Mod3
-          class Baz
-          end
-        end
-
-        class Mod2::Baz < Mod3::Baz
-        end
-
-        module Mod1
-          # :nodoc:
-          class Baz < Mod2::Baz
-          end
-        end
-
-        class Baz < Mod1::Baz
-        end
-
-        class Foo < Baz
-        end
-        CRYSTAL
-
-      generator = Doc::Generator.new program, [""]
-      type = generator.type(program.types["Foo"])
-      type.ancestors.map(&.full_name).should eq ["Baz", "Mod2::Baz"]
-    end
-  end
-
-  describe "#included_modules" do
-    it "only include types with docs" do
-      program = semantic(<<-CRYSTAL, wants_doc: true).program
-        # :nodoc:
-        module Mod3
-          module Baz
-          end
-        end
-
-        module Mod2
-          # :nodoc:
-          module Baz
-          end
-        end
-
-        module Mod1
-          module Baz
-          end
-        end
-
-        module Baz
-        end
-
-        class Foo
-          include Baz
-          include Mod1::Baz
-          include Mod2::Baz
-          include Mod3::Baz
-        end
-        CRYSTAL
-
-      generator = Doc::Generator.new program, [""]
-      type = generator.type(program.types["Foo"])
-      type.included_modules.map(&.full_name).should eq ["Baz", "Mod1::Baz"]
-    end
-  end
-
-  describe "#extended_modules" do
-    it "only include types with docs" do
-      program = semantic(<<-CRYSTAL, wants_doc: true).program
-        # :nodoc:
-        module Mod3
-          module Baz
-          end
-        end
-
-        module Mod2
-          # :nodoc:
-          module Baz
-          end
-        end
-
-        module Mod1
-          module Baz
-          end
-        end
-
-        module Baz
-        end
-
-        class Foo
-          extend Baz
-          extend Mod1::Baz
-          extend Mod2::Baz
-          extend Mod3::Baz
-        end
-        CRYSTAL
-
-      generator = Doc::Generator.new program, [""]
-      type = generator.type(program.types["Foo"])
-      type.extended_modules.map(&.full_name).should eq ["Baz", "Mod1::Baz"]
-    end
-  end
 end
diff --git a/src/compiler/crystal/tools/doc/type.cr b/src/compiler/crystal/tools/doc/type.cr
index 9b1a0a86cf7e..624c8f017fe7 100644
--- a/src/compiler/crystal/tools/doc/type.cr
+++ b/src/compiler/crystal/tools/doc/type.cr
@@ -117,7 +117,6 @@ class Crystal::Doc::Type
 
     unless ast_node?
       @type.ancestors.each do |ancestor|
-        next unless @generator.must_include? ancestor
         doc_type = @generator.type(ancestor)
         ancestors << doc_type
         break if ancestor == @generator.program.object || doc_type.ast_node?
@@ -259,7 +258,6 @@ class Crystal::Doc::Type
       included_modules = [] of Type
       @type.parents.try &.each do |parent|
         if parent.module?
-          next unless @generator.must_include? parent
           included_modules << @generator.type(parent)
         end
       end
@@ -274,7 +272,6 @@ class Crystal::Doc::Type
       extended_modules = [] of Type
       @type.metaclass.parents.try &.each do |parent|
         if parent.module?
-          next unless @generator.must_include? parent
           extended_modules << @generator.type(parent)
         end
       end