diff --git a/components/style/properties.mako.rs b/components/style/properties.mako.rs
index 72cb464e836..8ee3f8995a1 100644
--- a/components/style/properties.mako.rs
+++ b/components/style/properties.mako.rs
@@ -6692,7 +6692,7 @@ fn cascade_with_cached_declarations<C: ComputedValues>(
     context.style
 }
 
-pub type CascadePropertyFn<C: ComputedValues> =
+pub type CascadePropertyFn<C /*: ComputedValues */> =
     extern "Rust" fn(declaration: &PropertyDeclaration,
                      inherited_style: &C,
                      context: &mut computed::Context<C>,