5 files changed, 5 insertions, 13 deletions
diff --git a/compiler/rustc_middle/src/infer/mod.rs b/compiler/rustc_middle/src/infer/mod.rs
index 55e00c4c0d8..8b2f9bdfd48 100644
--- a/compiler/rustc_middle/src/infer/mod.rs
+++ b/compiler/rustc_middle/src/infer/mod.rs
@@ -4,7 +4,7 @@ pub mod unify_key;
 use crate::ty::Region;
 use crate::ty::Ty;
 use rustc_data_structures::sync::Lrc;
-use rustc_hir::def_id::DefId;
+use rustc_hir::def_id::LocalDefId;
 use rustc_span::Span;
 
 /// Requires that `region` must be equal to one of the regions in `choice_regions`.
@@ -16,7 +16,7 @@ use rustc_span::Span;
 #[derive(Debug, Clone, HashStable, TypeFoldable, TypeVisitable, Lift)]
 pub struct MemberConstraint<'tcx> {
     /// The `DefId` of the opaque type causing this constraint: used for error reporting.
-    pub opaque_type_def_id: DefId,
+    pub opaque_type_def_id: LocalDefId,
 
     /// The span where the hidden type was instantiated.
     pub definition_span: Span,
diff --git a/compiler/rustc_middle/src/mir/query.rs b/compiler/rustc_middle/src/mir/query.rs
index 6a6ed3dc728..423e84d88cf 100644
--- a/compiler/rustc_middle/src/mir/query.rs
+++ b/compiler/rustc_middle/src/mir/query.rs
@@ -235,7 +235,7 @@ pub struct BorrowCheckResult<'tcx> {
     /// All the opaque types that are restricted to concrete types
     /// by this function. Unlike the value in `TypeckResults`, this has
     /// unerased regions.
-    pub concrete_opaque_types: VecMap<DefId, OpaqueHiddenType<'tcx>>,
+    pub concrete_opaque_types: VecMap<LocalDefId, OpaqueHiddenType<'tcx>>,
     pub closure_requirements: Option<ClosureRegionRequirements<'tcx>>,
     pub used_mut_upvars: SmallVec<[Field; 8]>,
     pub tainted_by_errors: Option<ErrorGuaranteed>,
diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs
index a594dab2e20..0f98d19820e 100644
--- a/compiler/rustc_middle/src/ty/context.rs
+++ b/compiler/rustc_middle/src/ty/context.rs
@@ -542,7 +542,7 @@ pub struct TypeckResults<'tcx> {
     /// even if they are only set in dead code (which doesn't show up in MIR).
     /// For type-alias-impl-trait, this map is only used to prevent query cycles,
     /// so the hidden types are all `None`.
-    pub concrete_opaque_types: VecMap<DefId, Option<Ty<'tcx>>>,
+    pub concrete_opaque_types: VecMap<LocalDefId, Option<Ty<'tcx>>>,
 
     /// Tracks the minimum captures required for a closure;
     /// see `MinCaptureInformationMap` for more details.
diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs
index 3536d946db2..53919826bf6 100644
--- a/compiler/rustc_middle/src/ty/mod.rs
+++ b/compiler/rustc_middle/src/ty/mod.rs
@@ -1108,8 +1108,7 @@ impl<'tcx> InstantiatedPredicates<'tcx> {
 #[derive(Copy, Clone, Debug, PartialEq, Eq, HashStable, TyEncodable, TyDecodable, Lift)]
 #[derive(TypeFoldable, TypeVisitable)]
 pub struct OpaqueTypeKey<'tcx> {
-    // FIXME(oli-obk): make this a LocalDefId
-    pub def_id: DefId,
+    pub def_id: LocalDefId,
     pub substs: SubstsRef<'tcx>,
 }
 
diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs
index d663f1a3ec6..9f622ad6cd2 100644
--- a/compiler/rustc_middle/src/ty/sty.rs
+++ b/compiler/rustc_middle/src/ty/sty.rs
@@ -1707,13 +1707,6 @@ impl<'tcx> Ty<'tcx> {
         }
     }
 
-    pub fn expect_opaque_type(self) -> ty::OpaqueTypeKey<'tcx> {
-        match *self.kind() {
-            Opaque(def_id, substs) => ty::OpaqueTypeKey { def_id, substs },
-            _ => bug!("`expect_opaque_type` called on non-opaque type: {}", self),
-        }
-    }
-
     pub fn simd_size_and_type(self, tcx: TyCtxt<'tcx>) -> (u64, Ty<'tcx>) {
         match self.kind() {
             Adt(def, substs) => {