1 files changed, 2 insertions, 0 deletions
diff --git a/src/librustc_data_structures/graph/mod.rs b/src/librustc_data_structures/graph/mod.rs
index e59085a9e3a..749709521e8 100644
--- a/src/librustc_data_structures/graph/mod.rs
+++ b/src/librustc_data_structures/graph/mod.rs
@@ -39,6 +39,7 @@ where
     }
 }
 
+#[allow(unused_lifetimes)]
 pub trait GraphSuccessors<'graph> {
     type Item;
     type Iter: Iterator<Item = Self::Item>;
@@ -54,6 +55,7 @@ where
     ) -> <Self as GraphPredecessors<'_>>::Iter;
 }
 
+#[allow(unused_lifetimes)]
 pub trait GraphPredecessors<'graph> {
     type Item;
     type Iter: Iterator<Item = Self::Item>;