diff --git a/actionview/test/template/date_helper_test.rb b/actionview/test/template/date_helper_test.rb
index 327ed43188..0cdb130710 100644
--- a/actionview/test/template/date_helper_test.rb
+++ b/actionview/test/template/date_helper_test.rb
@@ -2131,8 +2131,6 @@ class DateHelperTest < ActionView::TestCase
   end
 
   def test_time_select_with_html_options_within_fields_for
-    skip "Pending. Output error: 'unknown encoding ASCII-8BIT' makes Loofah return an empty string. Related: https://github.com/sparklemotion/nokogiri/issues/553"
-
     @post = Post.new
     @post.written_on = Time.local(2004, 6, 15, 15, 16, 35)
 
@@ -2370,7 +2368,6 @@ class DateHelperTest < ActionView::TestCase
   end
 
   def test_datetime_select_with_html_options_within_fields_for
-    skip "Pending. Output error: 'unknown encoding ASCII-8BIT' makes Loofah return an empty string. Related: https://github.com/sparklemotion/nokogiri/issues/553"
     @post = Post.new
     @post.updated_at = Time.local(2004, 6, 15, 16, 35)
 
@@ -2622,7 +2619,6 @@ class DateHelperTest < ActionView::TestCase
   end
 
   def test_datetime_select_within_fields_for_with_options_index
-    skip "Pending. Output error: 'unknown encoding ASCII-8BIT' makes Loofah return an empty string. Related: https://github.com/sparklemotion/nokogiri/issues/553"
     @post = Post.new
     @post.updated_at = Time.local(2004, 6, 15, 16, 35)
     id = 456
diff --git a/actionview/test/template/form_helper_test.rb b/actionview/test/template/form_helper_test.rb
index 5cd094559f..3e39dadcf1 100644
--- a/actionview/test/template/form_helper_test.rb
+++ b/actionview/test/template/form_helper_test.rb
@@ -2921,8 +2921,6 @@ class FormHelperTest < ActionView::TestCase
   end
 
   def test_fields_for_with_labelled_builder
-    skip "Pending. I think that there's an output error: 'unknown encoding ASCII-8BIT' in here, which makes Loofah return an empty string. Related: https://github.com/sparklemotion/nokogiri/issues/553"
-
     output_buffer = fields_for(:post, @post, builder: LabelledFormBuilder) do |f|
       concat f.text_field(:title)
       concat f.text_area(:body)
diff --git a/actionview/test/template/text_helper_test.rb b/actionview/test/template/text_helper_test.rb
index f7809e162c..667f9002da 100644
--- a/actionview/test/template/text_helper_test.rb
+++ b/actionview/test/template/text_helper_test.rb
@@ -190,7 +190,6 @@ class TextHelperTest < ActionView::TestCase
   end
 
   def test_highlight_pending
-    skip "Pending. Nokogiri parses a blank string, sees no elements and then returns ''"
     assert_equal '   ', highlight('   ', 'blank text is returned verbatim')
   end