diff --git a/components/style/properties/longhands/text.mako.rs b/components/style/properties/longhands/text.mako.rs
index b77e17dd6b7..d80ee1eb10a 100644
--- a/components/style/properties/longhands/text.mako.rs
+++ b/components/style/properties/longhands/text.mako.rs
@@ -32,7 +32,6 @@ ${helpers.predefined_type(
     "TextDecorationLine",
     "specified::TextDecorationLine::none()",
     engines="gecko servo-2013 servo-2020",
-    servo_2020_pref="layout.2020.unimplemented",
     initial_specified_value="specified::TextDecorationLine::none()",
     animation_value_type="discrete",
     spec="https://drafts.csswg.org/css-text-decor/#propdef-text-decoration-line",
diff --git a/components/style/properties/shorthands/text.mako.rs b/components/style/properties/shorthands/text.mako.rs
index 79f7f33d850..defbfaaf3c0 100644
--- a/components/style/properties/shorthands/text.mako.rs
+++ b/components/style/properties/shorthands/text.mako.rs
@@ -5,7 +5,7 @@
 <%namespace name="helpers" file="/helpers.mako.rs" />
 
 <%helpers:shorthand name="text-decoration"
-                    engines="gecko servo-2013"
+                    engines="gecko servo-2013 servo-2020"
                     flags="SHORTHAND_IN_GETCS"
                     sub_properties="text-decoration-line
                     ${' text-decoration-style text-decoration-color text-decoration-thickness' if engine == 'gecko' else ''}"