diff --git a/components/style/properties/properties.mako.rs b/components/style/properties/properties.mako.rs
index 5ba3619611b..d49eabefe6e 100644
--- a/components/style/properties/properties.mako.rs
+++ b/components/style/properties/properties.mako.rs
@@ -178,7 +178,6 @@ pub mod shorthands {
         data.declare_shorthand(
             "all",
             logical_longhands + other_longhands,
-            gecko_pref="layout.css.all-shorthand.enabled",
             spec="https://drafts.csswg.org/css-cascade-3/#all-shorthand"
         )
     %>