diff --git a/components/style/stylist.rs b/components/style/stylist.rs
index 7e89db40957..b5e76a6d44d 100644
--- a/components/style/stylist.rs
+++ b/components/style/stylist.rs
@@ -964,12 +964,6 @@ impl Stylist {
         )
     }
 
-    fn has_rules_for_pseudo(&self, pseudo: &PseudoElement) -> bool {
-        self.cascade_data
-            .iter_origins()
-            .any(|(d, _)| d.has_rules_for_pseudo(pseudo))
-    }
-
     /// Computes the cascade inputs for a lazily-cascaded pseudo-element.
     ///
     /// See the documentation on lazy pseudo-elements in
@@ -988,10 +982,6 @@ impl Stylist {
         let pseudo = pseudo.canonical();
         debug_assert!(pseudo.is_lazy());
 
-        if !self.has_rules_for_pseudo(&pseudo) {
-            return CascadeInputs::default()
-        }
-
         // Apply the selector flags. We should be in sequential mode
         // already, so we can directly apply the parent flags.
         let mut set_selector_flags = |element: &E, flags: ElementSelectorFlags| {
@@ -2195,10 +2185,6 @@ impl CascadeData {
         }
     }
 
-    fn has_rules_for_pseudo(&self, pseudo: &PseudoElement) -> bool {
-        self.pseudos_map.get(pseudo).is_some()
-    }
-
     /// Clears the cascade data, but not the invalidation data.
     fn clear_cascade_data(&mut self) {
         self.element_map.clear();