diff --git a/compiler/rustc_infer/src/infer/context.rs b/compiler/rustc_infer/src/infer/context.rs
index 22d7ce79bb4..ad9e176c592 100644
--- a/compiler/rustc_infer/src/infer/context.rs
+++ b/compiler/rustc_infer/src/infer/context.rs
@@ -213,4 +213,43 @@ impl<'tcx> rustc_type_ir::InferCtxtLike for InferCtxt<'tcx> {
     fn register_ty_outlives(&self, ty: Ty<'tcx>, r: ty::Region<'tcx>, span: Span) {
         self.register_region_obligation_with_cause(ty, r, &ObligationCause::dummy_with_span(span));
     }
+
+    fn clone_opaque_types_lookup_table(&self) -> Vec<(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)> {
+        self.inner.borrow_mut().opaque_types().iter_lookup_table().map(|(k, h)| (k, h.ty)).collect()
+    }
+    fn clone_duplicate_opaque_types(&self) -> Vec<(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)> {
+        self.inner
+            .borrow_mut()
+            .opaque_types()
+            .iter_duplicate_entries()
+            .map(|(k, h)| (k, h.ty))
+            .collect()
+    }
+
+    fn register_hidden_type_in_storage(
+        &self,
+        opaque_type_key: ty::OpaqueTypeKey<'tcx>,
+        hidden_ty: Ty<'tcx>,
+        span: Span,
+    ) -> Option<Ty<'tcx>> {
+        self.register_hidden_type_in_storage(
+            opaque_type_key,
+            ty::OpaqueHiddenType { span, ty: hidden_ty },
+        )
+    }
+    fn add_duplicate_opaque_type(
+        &self,
+        opaque_type_key: ty::OpaqueTypeKey<'tcx>,
+        hidden_ty: Ty<'tcx>,
+        span: Span,
+    ) {
+        self.inner
+            .borrow_mut()
+            .opaque_types()
+            .add_duplicate(opaque_type_key, ty::OpaqueHiddenType { span, ty: hidden_ty })
+    }
+
+    fn reset_opaque_types(&self) {
+        let _ = self.take_opaque_types();
+    }
 }
diff --git a/compiler/rustc_next_trait_solver/src/delegate.rs b/compiler/rustc_next_trait_solver/src/delegate.rs
index 9e8fbd66b70..90a7c2e9f78 100644
--- a/compiler/rustc_next_trait_solver/src/delegate.rs
+++ b/compiler/rustc_next_trait_solver/src/delegate.rs
@@ -39,13 +39,6 @@ pub trait SolverDelegate: Deref<Target = Self::Infcx> + Sized {
         term: <Self::Interner as Interner>::Term,
     ) -> Option<Vec<Goal<Self::Interner, <Self::Interner as Interner>::Predicate>>>;
 
-    fn clone_opaque_types_lookup_table(
-        &self,
-    ) -> Vec<(ty::OpaqueTypeKey<Self::Interner>, <Self::Interner as Interner>::Ty)>;
-    fn clone_duplicate_opaque_types(
-        &self,
-    ) -> Vec<(ty::OpaqueTypeKey<Self::Interner>, <Self::Interner as Interner>::Ty)>;
-
     fn make_deduplicated_outlives_constraints(
         &self,
     ) -> Vec<ty::OutlivesPredicate<Self::Interner, <Self::Interner as Interner>::GenericArg>>;
@@ -64,20 +57,6 @@ pub trait SolverDelegate: Deref<Target = Self::Infcx> + Sized {
         span: <Self::Interner as Interner>::Span,
         universe_map: impl Fn(ty::UniverseIndex) -> ty::UniverseIndex,
     ) -> <Self::Interner as Interner>::GenericArg;
-
-    fn register_hidden_type_in_storage(
-        &self,
-        opaque_type_key: ty::OpaqueTypeKey<Self::Interner>,
-        hidden_ty: <Self::Interner as Interner>::Ty,
-        span: <Self::Interner as Interner>::Span,
-    ) -> Option<<Self::Interner as Interner>::Ty>;
-    fn add_duplicate_opaque_type(
-        &self,
-        opaque_type_key: ty::OpaqueTypeKey<Self::Interner>,
-        hidden_ty: <Self::Interner as Interner>::Ty,
-        span: <Self::Interner as Interner>::Span,
-    );
-
     fn add_item_bounds_for_hidden_type(
         &self,
         def_id: <Self::Interner as Interner>::DefId,
@@ -86,7 +65,6 @@ pub trait SolverDelegate: Deref<Target = Self::Infcx> + Sized {
         hidden_ty: <Self::Interner as Interner>::Ty,
         goals: &mut Vec<Goal<Self::Interner, <Self::Interner as Interner>::Predicate>>,
     );
-    fn reset_opaque_types(&self);
 
     fn fetch_eligible_assoc_item(
         &self,
diff --git a/compiler/rustc_trait_selection/src/solve/delegate.rs b/compiler/rustc_trait_selection/src/solve/delegate.rs
index 87b8db59a78..3601c2cba9b 100644
--- a/compiler/rustc_trait_selection/src/solve/delegate.rs
+++ b/compiler/rustc_trait_selection/src/solve/delegate.rs
@@ -104,25 +104,6 @@ impl<'tcx> rustc_next_trait_solver::delegate::SolverDelegate for SolverDelegate<
         .map(|obligations| obligations.into_iter().map(|obligation| obligation.as_goal()).collect())
     }
 
-    fn clone_opaque_types_lookup_table(&self) -> Vec<(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)> {
-        self.0
-            .inner
-            .borrow_mut()
-            .opaque_types()
-            .iter_lookup_table()
-            .map(|(k, h)| (k, h.ty))
-            .collect()
-    }
-    fn clone_duplicate_opaque_types(&self) -> Vec<(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)> {
-        self.0
-            .inner
-            .borrow_mut()
-            .opaque_types()
-            .iter_duplicate_entries()
-            .map(|(k, h)| (k, h.ty))
-            .collect()
-    }
-
     fn make_deduplicated_outlives_constraints(
         &self,
     ) -> Vec<ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>> {
@@ -168,30 +149,6 @@ impl<'tcx> rustc_next_trait_solver::delegate::SolverDelegate for SolverDelegate<
         self.0.instantiate_canonical_var(span, cv_info, universe_map)
     }
 
-    fn register_hidden_type_in_storage(
-        &self,
-        opaque_type_key: ty::OpaqueTypeKey<'tcx>,
-        hidden_ty: Ty<'tcx>,
-        span: Span,
-    ) -> Option<Ty<'tcx>> {
-        self.0.register_hidden_type_in_storage(
-            opaque_type_key,
-            ty::OpaqueHiddenType { span, ty: hidden_ty },
-        )
-    }
-    fn add_duplicate_opaque_type(
-        &self,
-        opaque_type_key: ty::OpaqueTypeKey<'tcx>,
-        hidden_ty: Ty<'tcx>,
-        span: Span,
-    ) {
-        self.0
-            .inner
-            .borrow_mut()
-            .opaque_types()
-            .add_duplicate(opaque_type_key, ty::OpaqueHiddenType { span, ty: hidden_ty })
-    }
-
     fn add_item_bounds_for_hidden_type(
         &self,
         def_id: DefId,
@@ -203,10 +160,6 @@ impl<'tcx> rustc_next_trait_solver::delegate::SolverDelegate for SolverDelegate<
         self.0.add_item_bounds_for_hidden_type(def_id, args, param_env, hidden_ty, goals);
     }
 
-    fn reset_opaque_types(&self) {
-        let _ = self.take_opaque_types();
-    }
-
     fn fetch_eligible_assoc_item(
         &self,
         goal_trait_ref: ty::TraitRef<'tcx>,
diff --git a/compiler/rustc_type_ir/src/infer_ctxt.rs b/compiler/rustc_type_ir/src/infer_ctxt.rs
index 8fa56c35999..4e6f7987810 100644
--- a/compiler/rustc_type_ir/src/infer_ctxt.rs
+++ b/compiler/rustc_type_ir/src/infer_ctxt.rs
@@ -245,4 +245,26 @@ pub trait InferCtxtLike: Sized {
         r: <Self::Interner as Interner>::Region,
         span: <Self::Interner as Interner>::Span,
     );
+
+    fn clone_opaque_types_lookup_table(
+        &self,
+    ) -> Vec<(ty::OpaqueTypeKey<Self::Interner>, <Self::Interner as Interner>::Ty)>;
+    fn clone_duplicate_opaque_types(
+        &self,
+    ) -> Vec<(ty::OpaqueTypeKey<Self::Interner>, <Self::Interner as Interner>::Ty)>;
+
+    fn register_hidden_type_in_storage(
+        &self,
+        opaque_type_key: ty::OpaqueTypeKey<Self::Interner>,
+        hidden_ty: <Self::Interner as Interner>::Ty,
+        span: <Self::Interner as Interner>::Span,
+    ) -> Option<<Self::Interner as Interner>::Ty>;
+    fn add_duplicate_opaque_type(
+        &self,
+        opaque_type_key: ty::OpaqueTypeKey<Self::Interner>,
+        hidden_ty: <Self::Interner as Interner>::Ty,
+        span: <Self::Interner as Interner>::Span,
+    );
+
+    fn reset_opaque_types(&self);
 }