diff --git a/components/style/properties/longhands/ui.mako.rs b/components/style/properties/longhands/ui.mako.rs
index 549327739e5..c54582e2584 100644
--- a/components/style/properties/longhands/ui.mako.rs
+++ b/components/style/properties/longhands/ui.mako.rs
@@ -39,6 +39,7 @@ ${helpers.predefined_type(
     gecko_ffi_name="mUserSelect",
     alias="-webkit-user-select",
     animation_value_type="discrete",
+    needs_context=False,
     spec="https://drafts.csswg.org/css-ui-4/#propdef-user-select",
 )}
 
diff --git a/components/style/values/specified/ui.rs b/components/style/values/specified/ui.rs
index 200bff54032..4095bdfa89b 100644
--- a/components/style/values/specified/ui.rs
+++ b/components/style/values/specified/ui.rs
@@ -141,11 +141,6 @@ impl Parse for ScrollbarColor {
     }
 }
 
-fn in_ua_sheet(context: &ParserContext) -> bool {
-    use crate::stylesheets::Origin;
-    context.stylesheet_origin == Origin::UserAgent
-}
-
 /// The specified value for the `user-select` property.
 ///
 /// https://drafts.csswg.org/css-ui-4/#propdef-user-select
@@ -168,15 +163,6 @@ pub enum UserSelect {
     Text,
     #[parse(aliases = "-moz-none")]
     None,
-    /// Force selection of all children, unless an ancestor has `none` set.
+    /// Force selection of all children.
     All,
-    /// Like `text`, except that it won't get overridden by ancestors having
-    /// `all`.
-    ///
-    /// FIXME(emilio): This only has one use in contenteditable.css, can we find
-    /// a better way to do this?
-    ///
-    /// See bug 1181130.
-    #[parse(condition = "in_ua_sheet")]
-    MozText,
 }