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-rw-r--r--compiler/rustc_span/src/symbol.rs1
-rw-r--r--compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs3
2 files changed, 0 insertions, 4 deletions
diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index c816d060456..41ef0795f25 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -934,7 +934,6 @@ symbols! {
         panic_unwind,
         panicking,
         param_attrs,
-        parent_trait,
         partial_cmp,
         partial_ord,
         passes,
diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs
index 3a32f1cb903..6128c119b6b 100644
--- a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs
+++ b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs
@@ -154,9 +154,6 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
                 flags.push((sym::from_method, Some(method.to_string())));
             }
         }
-        if let Some((t, _)) = self.get_parent_trait_ref(&obligation.cause.code) {
-            flags.push((sym::parent_trait, Some(t)));
-        }
 
         if let Some(k) = obligation.cause.span.desugaring_kind() {
             flags.push((sym::from_desugaring, None));