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-rw-r--r--compiler/rustc_middle/src/traits/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs
index 2e367df2c4f..1ccd6fb56d9 100644
--- a/compiler/rustc_middle/src/traits/mod.rs
+++ b/compiler/rustc_middle/src/traits/mod.rs
@@ -422,7 +422,7 @@ pub enum ObligationCauseCode<'tcx> {
     /// If `X` is the concrete type of an opaque type `impl Y`, then `X` must implement `Y`
     OpaqueType,
 
-    AwaitableExpr(Option<hir::HirId>),
+    AwaitableExpr(hir::HirId),
 
     ForLoopIterator,