1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/visit.rs b/src/libsyntax/visit.rs
index 2a6c14f0eae..0c6ecf73f6a 100644
--- a/src/libsyntax/visit.rs
+++ b/src/libsyntax/visit.rs
@@ -186,7 +186,7 @@ fn walk_explicit_self<E: Clone, V: Visitor<E>>(visitor: &mut V,
                                                explicit_self: &ExplicitSelf,
                                                env: E) {
     match explicit_self.node {
-        SelfStatic | SelfValue | SelfBox | SelfUniq => {}
+        SelfStatic | SelfValue | SelfUniq => {}
         SelfRegion(ref lifetime, _) => {
             visitor.visit_opt_lifetime_ref(explicit_self.span, lifetime, env)
         }