diff --git a/compiler/stable_mir/src/mir/visit.rs b/compiler/stable_mir/src/mir/visit.rs
index e2d1ff7fdd3..85205528979 100644
--- a/compiler/stable_mir/src/mir/visit.rs
+++ b/compiler/stable_mir/src/mir/visit.rs
@@ -487,7 +487,7 @@ pub struct PlaceRef<'a> {
     pub projection: &'a [ProjectionElem],
 }
 
-impl<'a> PlaceRef<'a> {
+impl PlaceRef<'_> {
     /// Get the type of this place.
     pub fn ty(&self, locals: &[LocalDecl]) -> Result<Ty, Error> {
         self.projection.iter().fold(Ok(locals[self.local].ty), |place_ty, elem| elem.ty(place_ty?))