diff --git a/components/style/gecko/url.rs b/components/style/gecko/url.rs
index b206ad761e7..0c2348fbaa2 100644
--- a/components/style/gecko/url.rs
+++ b/components/style/gecko/url.rs
@@ -30,6 +30,7 @@ pub struct SpecifiedUrl {
     /// a property with this specified url value.
     pub image_value: Option<RefPtr<ImageValue>>,
 }
+trivial_to_computed_value!(SpecifiedUrl);
 
 impl SpecifiedUrl {
     /// Try to parse a URL from a string value that is a valid CSS token for a
diff --git a/components/style/values/specified/mod.rs b/components/style/values/specified/mod.rs
index 9efed2e144f..2b08912f73e 100644
--- a/components/style/values/specified/mod.rs
+++ b/components/style/values/specified/mod.rs
@@ -83,8 +83,6 @@ pub mod url {
 use cssparser::Parser;
 use parser::{Parse, ParserContext};
 use style_traits::ParseError;
-#[cfg(feature = "gecko")]
-use values::computed::ComputedValueAsSpecified;
 
 #[cfg(feature = "servo")]
 pub use ::servo::url::*;
@@ -99,10 +97,6 @@ impl Parse for SpecifiedUrl {
 }
 
 impl Eq for SpecifiedUrl {}
-
-#[cfg(feature = "gecko")]
-impl ComputedValueAsSpecified for SpecifiedUrl {}
-
 }
 
 /// Parse an `<integer>` value, handling `calc()` correctly.