diff --git a/test/test/spec/weakref_spec.rb b/test/test/spec/weakref_spec.rb
index 1840da26..3f681c5a 100644
--- a/test/test/spec/weakref_spec.rb
+++ b/test/test/spec/weakref_spec.rb
@@ -127,7 +127,6 @@ describe "WeakRef" do
         class NSMenuView; end
       end
       classes.concat([
-        NSSimpleHorizontalTypesetter,
         NSATSTypesetter,
         NSColorSpace,
         NSFont,