DefId{Map,Set} -> rustc::hir::def_id

25 files changed, 32 insertions, 48 deletions

diff --git a/src/librustc/arena.rs b/src/librustc/arena.rs
index c576c5af31e..0ec8863fa69 100644
--- a/src/librustc/arena.rs
+++ b/src/librustc/arena.rs
@@ -41,7 +41,7 @@ macro_rules! arena_types {
                 rustc::hir::def_id::DefId,
                 rustc::ty::subst::SubstsRef<$tcx>
             )>,
-            [few, decode] mir_keys: rustc::util::nodemap::DefIdSet,
+            [few, decode] mir_keys: rustc::hir::def_id::DefIdSet,
             [decode] specialization_graph: rustc::traits::specialization_graph::Graph,
             [] region_scope_tree: rustc::middle::region::ScopeTree,
             [] item_local_set: rustc::util::nodemap::ItemLocalSet,
@@ -87,7 +87,7 @@ macro_rules! arena_types {
                 >,
             [few] crate_inherent_impls: rustc::ty::CrateInherentImpls,
             [few] upstream_monomorphizations:
-                rustc::util::nodemap::DefIdMap<
+                rustc::hir::def_id::DefIdMap<
                     rustc_data_structures::fx::FxHashMap<
                         rustc::ty::subst::SubstsRef<'tcx>,
                         rustc::hir::def_id::CrateNum
@@ -113,10 +113,10 @@ macro_rules! arena_types {
             >,
             [few] get_lib_features: rustc::middle::lib_features::LibFeatures,
             [few] defined_lib_features: rustc::middle::lang_items::LanguageItems,
-            [few] visible_parent_map: rustc::util::nodemap::DefIdMap<rustc::hir::def_id::DefId>,
+            [few] visible_parent_map: rustc::hir::def_id::DefIdMap<rustc::hir::def_id::DefId>,
             [few] foreign_module: rustc::middle::cstore::ForeignModule,
             [few] foreign_modules: Vec<rustc::middle::cstore::ForeignModule>,
-            [few] reachable_non_generics: rustc::util::nodemap::DefIdMap<
+            [few] reachable_non_generics: rustc::hir::def_id::DefIdMap<
                 rustc::middle::exported_symbols::SymbolExportLevel
             >,
             [few] crate_variances: rustc::ty::CrateVariancesMap<'tcx>,
diff --git a/src/librustc/hir/def.rs b/src/librustc/hir/def.rs
index 6ba9a53799b..ebe9fc82f1b 100644
--- a/src/librustc/hir/def.rs
+++ b/src/librustc/hir/def.rs
@@ -1,9 +1,8 @@
 use self::Namespace::*;
 
 use crate::hir;
-use crate::hir::def_id::{DefId, CRATE_DEF_INDEX, LOCAL_CRATE};
+use crate::hir::def_id::{DefId, DefIdMap, CRATE_DEF_INDEX, LOCAL_CRATE};
 use crate::ty;
-use crate::util::nodemap::DefIdMap;
 
 use rustc_macros::HashStable;
 use rustc_span::hygiene::MacroKind;
diff --git a/src/librustc/hir/def_id.rs b/src/librustc/hir/def_id.rs
index b26617a57f4..9c2046a4554 100644
--- a/src/librustc/hir/def_id.rs
+++ b/src/librustc/hir/def_id.rs
@@ -157,6 +157,8 @@ impl DefId {
 impl rustc_serialize::UseSpecializedEncodable for DefId {}
 impl rustc_serialize::UseSpecializedDecodable for DefId {}
 
+rustc_data_structures::define_id_collections!(DefIdMap, DefIdSet, DefId);
+
 /// A LocalDefId is equivalent to a DefId with `krate == LOCAL_CRATE`. Since
 /// we encode this information in the type, we can ensure at compile time that
 /// no DefIds from upstream crates get thrown into the mix. There are quite a
diff --git a/src/librustc/infer/opaque_types/mod.rs b/src/librustc/infer/opaque_types/mod.rs
index 8399737b3e6..638ab01baac 100644
--- a/src/librustc/infer/opaque_types/mod.rs
+++ b/src/librustc/infer/opaque_types/mod.rs
@@ -1,5 +1,5 @@
 use crate::hir;
-use crate::hir::def_id::DefId;
+use crate::hir::def_id::{DefId, DefIdMap};
 use crate::hir::Node;
 use crate::infer::outlives::free_region_map::FreeRegionRelations;
 use crate::infer::{self, InferCtxt, InferOk, TypeVariableOrigin, TypeVariableOriginKind};
@@ -8,7 +8,6 @@ use crate::traits::{self, PredicateObligation};
 use crate::ty::fold::{BottomUpFolder, TypeFoldable, TypeFolder, TypeVisitor};
 use crate::ty::subst::{GenericArg, GenericArgKind, InternalSubsts, SubstsRef};
 use crate::ty::{self, GenericParamDefKind, Ty, TyCtxt};
-use crate::util::nodemap::DefIdMap;
 use errors::DiagnosticBuilder;
 use rustc::session::config::nightly_options;
 use rustc_data_structures::fx::FxHashMap;
diff --git a/src/librustc/middle/privacy.rs b/src/librustc/middle/privacy.rs
index 770a974da07..c4da4d75f4d 100644
--- a/src/librustc/middle/privacy.rs
+++ b/src/librustc/middle/privacy.rs
@@ -2,8 +2,8 @@
 //! outside their scopes. This pass will also generate a set of exported items
 //! which are available for use externally when compiled as a library.
 
+use crate::hir::def_id::DefIdSet;
 use crate::hir::HirId;
-use crate::util::nodemap::DefIdSet;
 
 use rustc_data_structures::fx::FxHashMap;
 use rustc_macros::HashStable;
diff --git a/src/librustc/traits/specialize/specialization_graph.rs b/src/librustc/traits/specialize/specialization_graph.rs
index fe675982308..200c2188ac3 100644
--- a/src/librustc/traits/specialize/specialization_graph.rs
+++ b/src/librustc/traits/specialize/specialization_graph.rs
@@ -1,11 +1,10 @@
 use super::OverlapError;
 
-use crate::hir::def_id::DefId;
+use crate::hir::def_id::{DefId, DefIdMap};
 use crate::ich::{self, StableHashingContext};
 use crate::traits;
 use crate::ty::fast_reject::{self, SimplifiedType};
 use crate::ty::{self, TyCtxt, TypeFoldable};
-use crate::util::nodemap::DefIdMap;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 use syntax::ast::Ident;
diff --git a/src/librustc/ty/context.rs b/src/librustc/ty/context.rs
index 88fbed32729..5bac49ca492 100644
--- a/src/librustc/ty/context.rs
+++ b/src/librustc/ty/context.rs
@@ -4,7 +4,7 @@ use crate::arena::Arena;
 use crate::dep_graph::DepGraph;
 use crate::dep_graph::{self, DepConstructor, DepNode};
 use crate::hir::def::{DefKind, Export, Res};
-use crate::hir::def_id::{CrateNum, DefId, DefIndex, LOCAL_CRATE};
+use crate::hir::def_id::{CrateNum, DefId, DefIdMap, DefIdSet, DefIndex, LOCAL_CRATE};
 use crate::hir::map as hir_map;
 use crate::hir::map::DefPathHash;
 use crate::hir::{self, HirId, ItemKind, ItemLocalId, Node, TraitCandidate};
@@ -46,7 +46,7 @@ use crate::ty::{ExistentialPredicate, InferTy, ParamTy, PolyFnSig, Predicate, Pr
 use crate::ty::{InferConst, ParamConst};
 use crate::ty::{List, TyKind, TyS};
 use crate::util::common::ErrorReported;
-use crate::util::nodemap::{DefIdMap, DefIdSet, ItemLocalMap, ItemLocalSet};
+use crate::util::nodemap::{ItemLocalMap, ItemLocalSet};
 
 use arena::SyncDroplessArena;
 use errors::DiagnosticBuilder;
diff --git a/src/librustc/ty/mod.rs b/src/librustc/ty/mod.rs
index 73020b8bc66..9f2df16f376 100644
--- a/src/librustc/ty/mod.rs
+++ b/src/librustc/ty/mod.rs
@@ -7,7 +7,7 @@ pub use self::IntVarValue::*;
 pub use self::Variance::*;
 
 use crate::hir::def::{CtorKind, CtorOf, DefKind, ExportMap, Res};
-use crate::hir::def_id::{CrateNum, DefId, LocalDefId, CRATE_DEF_INDEX, LOCAL_CRATE};
+use crate::hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId, CRATE_DEF_INDEX, LOCAL_CRATE};
 use crate::hir::Node;
 use crate::hir::{map as hir_map, GlobMap, TraitMap};
 use crate::ich::Fingerprint;
@@ -28,7 +28,6 @@ use crate::ty::subst::{InternalSubsts, Subst, SubstsRef};
 use crate::ty::util::{Discr, IntTypeExt};
 use crate::ty::walk::TypeWalker;
 use crate::util::captures::Captures;
-use crate::util::nodemap::DefIdMap;
 use arena::SyncDroplessArena;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::svh::Svh;
diff --git a/src/librustc/ty/query/mod.rs b/src/librustc/ty/query/mod.rs
index 5f739c4e6e6..f8cad3437b4 100644
--- a/src/librustc/ty/query/mod.rs
+++ b/src/librustc/ty/query/mod.rs
@@ -1,6 +1,6 @@
 use crate::dep_graph::{self, DepNode};
 use crate::hir::def::{DefKind, Export};
-use crate::hir::def_id::{CrateNum, DefId, DefIndex};
+use crate::hir::def_id::{CrateNum, DefId, DefIdMap, DefIdSet, DefIndex};
 use crate::hir::{self, ItemLocalId, TraitCandidate};
 use crate::infer::canonical::{self, Canonical};
 use crate::lint;
@@ -37,7 +37,7 @@ use crate::ty::subst::SubstsRef;
 use crate::ty::util::NeedsDrop;
 use crate::ty::{self, AdtSizedConstraint, CrateInherentImpls, ParamEnvAnd, Ty, TyCtxt};
 use crate::util::common::ErrorReported;
-use crate::util::nodemap::{DefIdMap, DefIdSet, HirIdSet};
+use crate::util::nodemap::HirIdSet;
 use rustc_data_structures::profiling::ProfileCategory::*;
 
 use rustc_data_structures::fingerprint::Fingerprint;
diff --git a/src/librustc/util/nodemap.rs b/src/librustc/util/nodemap.rs
index ed69e9002b6..a7d79b9f341 100644
--- a/src/librustc/util/nodemap.rs
+++ b/src/librustc/util/nodemap.rs
@@ -1,10 +1,8 @@
 //! An efficient hash map for `NodeId`s.
 
-use crate::hir::def_id::DefId;
 use crate::hir::{HirId, ItemLocalId};
 
 use rustc_data_structures::define_id_collections;
 
-define_id_collections!(DefIdMap, DefIdSet, DefId);
 define_id_collections!(HirIdMap, HirIdSet, HirId);
 define_id_collections!(ItemLocalMap, ItemLocalSet, ItemLocalId);
diff --git a/src/librustc_ast_lowering/lib.rs b/src/librustc_ast_lowering/lib.rs
index ba27e79dff5..5694bedb199 100644
--- a/src/librustc_ast_lowering/lib.rs
+++ b/src/librustc_ast_lowering/lib.rs
@@ -37,7 +37,7 @@
 use rustc::arena::Arena;
 use rustc::dep_graph::DepGraph;
 use rustc::hir::def::{DefKind, Namespace, PartialRes, PerNS, Res};
-use rustc::hir::def_id::{DefId, DefIndex, CRATE_DEF_INDEX};
+use rustc::hir::def_id::{DefId, DefIdMap, DefIndex, CRATE_DEF_INDEX};
 use rustc::hir::map::{DefKey, DefPathData, Definitions};
 use rustc::hir::{self, ConstArg, GenericArg, ParamName};
 use rustc::lint;
@@ -47,7 +47,6 @@ use rustc::session::config::nightly_options;
 use rustc::session::Session;
 use rustc::util::captures::Captures;
 use rustc::util::common::FN_OUTPUT_NAME;
-use rustc::util::nodemap::DefIdMap;
 use rustc::{bug, span_bug};
 use rustc_data_structures::fx::FxHashSet;
 use rustc_data_structures::sync::Lrc;
diff --git a/src/librustc_codegen_llvm/debuginfo/mod.rs b/src/librustc_codegen_llvm/debuginfo/mod.rs
index 3fea27445a0..0edfd345774 100644
--- a/src/librustc_codegen_llvm/debuginfo/mod.rs
+++ b/src/librustc_codegen_llvm/debuginfo/mod.rs
@@ -13,7 +13,7 @@ use crate::llvm;
 use crate::llvm::debuginfo::{
     DIArray, DIBuilder, DIFile, DIFlags, DILexicalBlock, DISPFlags, DIScope, DIType,
 };
-use rustc::hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
+use rustc::hir::def_id::{CrateNum, DefId, DefIdMap, LOCAL_CRATE};
 use rustc::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc::ty::subst::{GenericArgKind, SubstsRef};
 
@@ -24,7 +24,6 @@ use crate::value::Value;
 use rustc::mir;
 use rustc::session::config::{self, DebugInfo};
 use rustc::ty::{self, Instance, InstanceDef, ParamEnv, Ty};
-use rustc::util::nodemap::DefIdMap;
 use rustc_codegen_ssa::debuginfo::type_names;
 use rustc_codegen_ssa::mir::debuginfo::{DebugScope, FunctionDebugContext, VariableKind};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
diff --git a/src/librustc_codegen_ssa/back/symbol_export.rs b/src/librustc_codegen_ssa/back/symbol_export.rs
index 44e9067a60a..0f54557eaed 100644
--- a/src/librustc_codegen_ssa/back/symbol_export.rs
+++ b/src/librustc_codegen_ssa/back/symbol_export.rs
@@ -2,7 +2,7 @@ use std::collections::hash_map::Entry::*;
 use std::sync::Arc;
 
 use rustc::hir;
-use rustc::hir::def_id::{CrateNum, DefId, CRATE_DEF_INDEX, LOCAL_CRATE};
+use rustc::hir::def_id::{CrateNum, DefId, DefIdMap, CRATE_DEF_INDEX, LOCAL_CRATE};
 use rustc::hir::Node;
 use rustc::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc::middle::exported_symbols::{metadata_symbol_name, ExportedSymbol, SymbolExportLevel};
@@ -11,7 +11,6 @@ use rustc::ty::query::Providers;
 use rustc::ty::subst::SubstsRef;
 use rustc::ty::Instance;
 use rustc::ty::{SymbolName, TyCtxt};
-use rustc::util::nodemap::DefIdMap;
 use rustc_data_structures::fingerprint::Fingerprint;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_index::vec::IndexVec;
diff --git a/src/librustc_metadata/rmeta/decoder/cstore_impl.rs b/src/librustc_metadata/rmeta/decoder/cstore_impl.rs
index 00d5b4321cb..7de829edfc8 100644
--- a/src/librustc_metadata/rmeta/decoder/cstore_impl.rs
+++ b/src/librustc_metadata/rmeta/decoder/cstore_impl.rs
@@ -6,7 +6,7 @@ use crate::rmeta::{self, encoder};
 
 use rustc::hir;
 use rustc::hir::def;
-use rustc::hir::def_id::{CrateNum, DefId, CRATE_DEF_INDEX, LOCAL_CRATE};
+use rustc::hir::def_id::{CrateNum, DefId, DefIdMap, CRATE_DEF_INDEX, LOCAL_CRATE};
 use rustc::hir::map::definitions::DefPathTable;
 use rustc::hir::map::{DefKey, DefPath, DefPathHash};
 use rustc::middle::cstore::{CrateSource, CrateStore, DepKind, EncodedMetadata, NativeLibraryKind};
@@ -16,7 +16,6 @@ use rustc::session::{CrateDisambiguator, Session};
 use rustc::ty::query::Providers;
 use rustc::ty::query::QueryConfig;
 use rustc::ty::{self, TyCtxt};
-use rustc::util::nodemap::DefIdMap;
 use rustc_data_structures::svh::Svh;
 use rustc_parse::parser::emit_unclosed_delims;
 use rustc_parse::source_file_to_stream;
diff --git a/src/librustc_mir/monomorphize/collector.rs b/src/librustc_mir/monomorphize/collector.rs
index d0775d10a2c..43d57e0e85f 100644
--- a/src/librustc_mir/monomorphize/collector.rs
+++ b/src/librustc_mir/monomorphize/collector.rs
@@ -177,7 +177,7 @@
 use crate::monomorphize;
 
 use rustc::hir;
-use rustc::hir::def_id::{DefId, LOCAL_CRATE};
+use rustc::hir::def_id::{DefId, DefIdMap, LOCAL_CRATE};
 use rustc::hir::itemlikevisit::ItemLikeVisitor;
 use rustc::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc::middle::lang_items::{ExchangeMallocFnLangItem, StartFnLangItem};
@@ -192,7 +192,6 @@ use rustc::ty::print::obsolete::DefPathBasedNames;
 use rustc::ty::subst::{InternalSubsts, Subst, SubstsRef};
 use rustc::ty::{self, GenericParamDefKind, Instance, Ty, TyCtxt, TypeFoldable};
 use rustc::util::common::time;
-use rustc::util::nodemap::DefIdMap;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_data_structures::sync::{par_iter, MTLock, MTRef, ParallelIterator};
 use rustc_index::bit_set::GrowableBitSet;
diff --git a/src/librustc_mir/monomorphize/partitioning.rs b/src/librustc_mir/monomorphize/partitioning.rs
index d6d174bef89..9c8bcfad6da 100644
--- a/src/librustc_mir/monomorphize/partitioning.rs
+++ b/src/librustc_mir/monomorphize/partitioning.rs
@@ -97,7 +97,7 @@ use std::collections::hash_map::Entry;
 use std::sync::Arc;
 
 use rustc::hir::def::DefKind;
-use rustc::hir::def_id::{CrateNum, DefId, CRATE_DEF_INDEX, LOCAL_CRATE};
+use rustc::hir::def_id::{CrateNum, DefId, DefIdSet, CRATE_DEF_INDEX, LOCAL_CRATE};
 use rustc::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc::middle::exported_symbols::SymbolExportLevel;
 use rustc::mir::mono::{CodegenUnit, CodegenUnitNameBuilder, Linkage, Visibility};
@@ -106,7 +106,6 @@ use rustc::ty::print::characteristic_def_id_of_type;
 use rustc::ty::query::Providers;
 use rustc::ty::{self, DefIdTree, InstanceDef, TyCtxt};
 use rustc::util::common::time;
-use rustc::util::nodemap::DefIdSet;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_span::symbol::Symbol;
 
diff --git a/src/librustc_mir/transform/mod.rs b/src/librustc_mir/transform/mod.rs
index 62f7a3f539a..7cf94f7260f 100644
--- a/src/librustc_mir/transform/mod.rs
+++ b/src/librustc_mir/transform/mod.rs
@@ -1,12 +1,11 @@
 use crate::{build, shim};
 use rustc::hir;
-use rustc::hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
+use rustc::hir::def_id::{CrateNum, DefId, DefIdSet, LOCAL_CRATE};
 use rustc::hir::intravisit::{self, NestedVisitorMap, Visitor};
 use rustc::mir::{BodyAndCache, ConstQualifs, MirPhase, Promoted};
 use rustc::ty::query::Providers;
 use rustc::ty::steal::Steal;
 use rustc::ty::{InstanceDef, TyCtxt, TypeFoldable};
-use rustc::util::nodemap::DefIdSet;
 use rustc_index::vec::IndexVec;
 use rustc_span::Span;
 use std::borrow::Cow;
diff --git a/src/librustc_resolve/lib.rs b/src/librustc_resolve/lib.rs
index a822c0fa518..0d08313ae73 100644
--- a/src/librustc_resolve/lib.rs
+++ b/src/librustc_resolve/lib.rs
@@ -23,7 +23,7 @@ use Determinacy::*;
 use errors::{Applicability, DiagnosticBuilder};
 use rustc::hir::def::Namespace::*;
 use rustc::hir::def::{self, CtorKind, CtorOf, DefKind, ExportMap, NonMacroAttrKind, PartialRes};
-use rustc::hir::def_id::{CrateNum, DefId, CRATE_DEF_INDEX, LOCAL_CRATE};
+use rustc::hir::def_id::{CrateNum, DefId, DefIdMap, CRATE_DEF_INDEX, LOCAL_CRATE};
 use rustc::hir::map::Definitions;
 use rustc::hir::{Bool, Char, Float, Int, PrimTy, Str, Uint};
 use rustc::hir::{GlobMap, TraitMap};
@@ -33,7 +33,6 @@ use rustc::session::Session;
 use rustc::span_bug;
 use rustc::ty::query::Providers;
 use rustc::ty::{self, DefIdTree, ResolverOutputs};
-use rustc::util::nodemap::DefIdMap;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap};
 use rustc_data_structures::ptr_key::PtrKey;
 use rustc_data_structures::sync::Lrc;
diff --git a/src/librustc_resolve/lifetimes.rs b/src/librustc_resolve/lifetimes.rs
index 96f1e069f92..a5afd73c28b 100644
--- a/src/librustc_resolve/lifetimes.rs
+++ b/src/librustc_resolve/lifetimes.rs
@@ -7,7 +7,7 @@
 
 use errors::{pluralize, Applicability, DiagnosticBuilder};
 use rustc::hir::def::{DefKind, Res};
-use rustc::hir::def_id::{CrateNum, DefId, LocalDefId, LOCAL_CRATE};
+use rustc::hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId, LOCAL_CRATE};
 use rustc::hir::intravisit::{self, NestedVisitorMap, Visitor};
 use rustc::hir::map::Map;
 use rustc::hir::{self, GenericParamKind, LifetimeParamKind};
@@ -16,7 +16,7 @@ use rustc::lint;
 use rustc::middle::resolve_lifetime::*;
 use rustc::session::Session;
 use rustc::ty::{self, DefIdTree, GenericParamDefKind, TyCtxt};
-use rustc::util::nodemap::{DefIdMap, HirIdMap, HirIdSet};
+use rustc::util::nodemap::{HirIdMap, HirIdSet};
 use rustc::{bug, span_bug};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_span::symbol::{kw, sym};
diff --git a/src/librustc_typeck/check/mod.rs b/src/librustc_typeck/check/mod.rs
index 71a7a5dd69b..51574063093 100644
--- a/src/librustc_typeck/check/mod.rs
+++ b/src/librustc_typeck/check/mod.rs
@@ -92,7 +92,7 @@ use crate::middle::lang_items;
 use crate::namespace::Namespace;
 use errors::{pluralize, Applicability, DiagnosticBuilder, DiagnosticId};
 use rustc::hir::def::{CtorOf, DefKind, Res};
-use rustc::hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
+use rustc::hir::def_id::{CrateNum, DefId, DefIdMap, DefIdSet, LOCAL_CRATE};
 use rustc::hir::intravisit::{self, NestedVisitorMap, Visitor};
 use rustc::hir::itemlikevisit::ItemLikeVisitor;
 use rustc::hir::{self, ExprKind, GenericArg, ItemKind, Node, PatKind, QPath};
@@ -145,7 +145,7 @@ use crate::session::config::EntryFnType;
 use crate::session::Session;
 use crate::util::captures::Captures;
 use crate::util::common::{indenter, ErrorReported};
-use crate::util::nodemap::{DefIdMap, DefIdSet, HirIdMap};
+use crate::util::nodemap::HirIdMap;
 use crate::TypeAndSubsts;
 
 use self::autoderef::Autoderef;
diff --git a/src/librustc_typeck/check/writeback.rs b/src/librustc_typeck/check/writeback.rs
index ecf5aa576f5..0fbc14a7173 100644
--- a/src/librustc_typeck/check/writeback.rs
+++ b/src/librustc_typeck/check/writeback.rs
@@ -5,14 +5,13 @@
 use crate::check::FnCtxt;
 
 use rustc::hir;
-use rustc::hir::def_id::{DefId, DefIndex};
+use rustc::hir::def_id::{DefId, DefIdSet, DefIndex};
 use rustc::hir::intravisit::{self, NestedVisitorMap, Visitor};
 use rustc::infer::error_reporting::TypeAnnotationNeeded::E0282;
 use rustc::infer::InferCtxt;
 use rustc::ty::adjustment::{Adjust, Adjustment, PointerCast};
 use rustc::ty::fold::{TypeFoldable, TypeFolder};
 use rustc::ty::{self, Ty, TyCtxt};
-use rustc::util::nodemap::DefIdSet;
 use rustc_data_structures::sync::Lrc;
 use rustc_span::symbol::sym;
 use rustc_span::Span;
diff --git a/src/librustc_typeck/check_unused.rs b/src/librustc_typeck/check_unused.rs
index 9b88345a211..b0cbabd1958 100644
--- a/src/librustc_typeck/check_unused.rs
+++ b/src/librustc_typeck/check_unused.rs
@@ -6,11 +6,9 @@ use rustc_span::Span;
 use syntax::ast;
 
 use rustc::hir;
-use rustc::hir::def_id::{DefId, LOCAL_CRATE};
+use rustc::hir::def_id::{DefId, DefIdSet, LOCAL_CRATE};
 use rustc::hir::itemlikevisit::ItemLikeVisitor;
 use rustc::hir::print::visibility_qualified;
-use rustc::util::nodemap::DefIdSet;
-
 use rustc_data_structures::fx::FxHashMap;
 
 pub fn check_crate(tcx: TyCtxt<'_>) {
diff --git a/src/librustdoc/passes/mod.rs b/src/librustdoc/passes/mod.rs
index 7ac3009d827..784d967017d 100644
--- a/src/librustdoc/passes/mod.rs
+++ b/src/librustdoc/passes/mod.rs
@@ -1,10 +1,9 @@
 //! Contains information about "passes", used to modify crate information during the documentation
 //! process.
 
-use rustc::hir::def_id::DefId;
+use rustc::hir::def_id::{DefId, DefIdSet};
 use rustc::lint;
 use rustc::middle::privacy::AccessLevels;
-use rustc::util::nodemap::DefIdSet;
 use rustc_span::{InnerSpan, Span, DUMMY_SP};
 use std::mem;
 use std::ops::Range;
diff --git a/src/librustdoc/passes/strip_hidden.rs b/src/librustdoc/passes/strip_hidden.rs
index 9698ad1d231..5fd97d1685a 100644
--- a/src/librustdoc/passes/strip_hidden.rs
+++ b/src/librustdoc/passes/strip_hidden.rs
@@ -1,4 +1,4 @@
-use rustc::util::nodemap::DefIdSet;
+use rustc::hir::def_id::DefIdSet;
 use rustc_span::symbol::sym;
 use std::mem;
 
diff --git a/src/librustdoc/passes/strip_private.rs b/src/librustdoc/passes/strip_private.rs
index 5113afa4840..167aa2ca7d2 100644
--- a/src/librustdoc/passes/strip_private.rs
+++ b/src/librustdoc/passes/strip_private.rs
@@ -1,4 +1,4 @@
-use rustc::util::nodemap::DefIdSet;
+use rustc::hir::def_id::DefIdSet;
 
 use crate::clean;
 use crate::core::DocContext;