diff --git a/components/style/properties/longhands/box.mako.rs b/components/style/properties/longhands/box.mako.rs
index cb580cc93ba..48b83271d9b 100644
--- a/components/style/properties/longhands/box.mako.rs
+++ b/components/style/properties/longhands/box.mako.rs
@@ -389,7 +389,6 @@ ${helpers.predefined_type(
 ${helpers.single_keyword(
     "scroll-behavior",
     "auto smooth",
-    gecko_pref="layout.css.scroll-behavior.property-enabled",
     products="gecko",
     spec="https://drafts.csswg.org/cssom-view/#propdef-scroll-behavior",
     animation_value_type="discrete",