1 files changed, 0 insertions, 3 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs
index c12d92b9012..eb11163de42 100644
--- a/compiler/rustc_trait_selection/src/traits/select/mod.rs
+++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs
@@ -972,9 +972,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
                         }
                     }
                 }
-                ty::PredicateKind::Clause(ty::ClauseKind::TypeWellFormedFromEnv(..)) => {
-                    bug!("TypeWellFormedFromEnv is only used for chalk")
-                }
                 ty::PredicateKind::AliasRelate(..) => {
                     bug!("AliasRelate is only used for new solver")
                 }