diff --git a/test/prism/ruby/parser_test.rb b/test/prism/ruby/parser_test.rb
index 1629c36b38..648c44e77a 100644
--- a/test/prism/ruby/parser_test.rb
+++ b/test/prism/ruby/parser_test.rb
@@ -172,7 +172,6 @@ def test_non_prism_builder_class_deprecated
     if RUBY_VERSION >= "3.3"
       def test_current_parser_for_current_ruby
         major, minor = current_major_minor.split(".")
-        return if major == "3" && minor == "5" # TODO: Remove once ruby-dev becomes 4.0
         # Let's just hope there never is a Ruby 3.10 or similar
         expected = major.to_i * 10 + minor.to_i
         assert_equal(expected, Translation::ParserCurrent.new.version)
diff --git a/test/prism/test_helper.rb b/test/prism/test_helper.rb
index c03f70b2cd..42555738cf 100644
--- a/test/prism/test_helper.rb
+++ b/test/prism/test_helper.rb
@@ -256,7 +256,6 @@ def current_major_minor
 
     if RUBY_VERSION >= "3.3.0"
       def test_all_syntax_versions_present
-        return if RUBY_VERSION.start_with?("3.5") # TODO: Remove once ruby-dev becomes 4.0
         assert_include(SYNTAX_VERSIONS, current_major_minor)
       end
     end