3 files changed, 4 insertions, 52 deletions

diff --git a/compiler/rustc_middle/src/dep_graph/dep_node.rs b/compiler/rustc_middle/src/dep_graph/dep_node.rs
index b775846bba4..195c00f3535 100644
--- a/compiler/rustc_middle/src/dep_graph/dep_node.rs
+++ b/compiler/rustc_middle/src/dep_graph/dep_node.rs
@@ -214,17 +214,6 @@ pub mod dep_kind {
         try_load_from_on_disk_cache: |_, _| {},
     };
 
-    // Represents metadata from an extern crate.
-    pub const CrateMetadata: DepKindStruct = DepKindStruct {
-        has_params: true,
-        is_anon: false,
-        is_eval_always: true,
-
-        can_reconstruct_query_key: || true,
-        force_from_dep_node: |_, dep_node| bug!("force_from_dep_node: encountered {:?}", dep_node),
-        try_load_from_on_disk_cache: |_, _| {},
-    };
-
     pub const TraitSelect: DepKindStruct = DepKindStruct {
         has_params: false,
         is_anon: true,
@@ -379,9 +368,6 @@ rustc_dep_node_append!([define_dep_nodes!][ <'tcx>
     // We use this for most things when incr. comp. is turned off.
     [] Null,
 
-    // Represents metadata from an extern crate.
-    [eval_always] CrateMetadata(CrateNum),
-
     [anon] TraitSelect,
 
     [] CompileCodegenUnit(Symbol),
diff --git a/compiler/rustc_middle/src/dep_graph/mod.rs b/compiler/rustc_middle/src/dep_graph/mod.rs
index 22e9cc1cd3e..50c9a696fb9 100644
--- a/compiler/rustc_middle/src/dep_graph/mod.rs
+++ b/compiler/rustc_middle/src/dep_graph/mod.rs
@@ -115,20 +115,9 @@ impl<'tcx> DepContext for TyCtxt<'tcx> {
         // be removed. https://github.com/rust-lang/rust/issues/62649 is one such
         // bug that must be fixed before removing this.
         match dep_node.kind {
-            DepKind::hir_owner | DepKind::hir_owner_nodes | DepKind::CrateMetadata => {
+            DepKind::hir_owner | DepKind::hir_owner_nodes => {
                 if let Some(def_id) = dep_node.extract_def_id(*self) {
-                    if def_id_corresponds_to_hir_dep_node(*self, def_id.expect_local()) {
-                        if dep_node.kind == DepKind::CrateMetadata {
-                            // The `DefPath` has corresponding node,
-                            // and that node should have been marked
-                            // either red or green in `data.colors`.
-                            bug!(
-                                "DepNode {:?} should have been \
-                             pre-marked as red or green but wasn't.",
-                                dep_node
-                            );
-                        }
-                    } else {
+                    if !def_id_corresponds_to_hir_dep_node(*self, def_id.expect_local()) {
                         // This `DefPath` does not have a
                         // corresponding `DepNode` (e.g. a
                         // struct field), and the ` DefPath`
diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs
index 3540f0f06b6..bc15991089e 100644
--- a/compiler/rustc_middle/src/ty/context.rs
+++ b/compiler/rustc_middle/src/ty/context.rs
@@ -1,7 +1,7 @@
 //! Type context book-keeping.
 
 use crate::arena::Arena;
-use crate::dep_graph::{self, DepGraph, DepKind, DepNode, DepNodeExt};
+use crate::dep_graph::DepGraph;
 use crate::hir::exports::ExportMap;
 use crate::ich::{NodeIdHashingMode, StableHashingContext};
 use crate::infer::canonical::{Canonical, CanonicalVarInfo, CanonicalVarInfos};
@@ -37,8 +37,7 @@ use rustc_data_structures::sync::{self, Lock, Lrc, WorkerLocal};
 use rustc_errors::ErrorReported;
 use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};
-use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId};
-use rustc_hir::def_id::{CRATE_DEF_INDEX, LOCAL_CRATE};
+use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId, LOCAL_CRATE};
 use rustc_hir::definitions::Definitions;
 use rustc_hir::intravisit::Visitor;
 use rustc_hir::lang_items::LangItem;
@@ -1315,28 +1314,6 @@ impl<'tcx> TyCtxt<'tcx> {
         StableHashingContext::ignore_spans(self.sess, krate, self.definitions, &*self.cstore)
     }
 
-    // This method makes sure that we have a DepNode and a Fingerprint for
-    // every upstream crate. It needs to be called once right after the tcx is
-    // created.
-    // With full-fledged red/green, the method will probably become unnecessary
-    // as this will be done on-demand.
-    pub fn allocate_metadata_dep_nodes(self) {
-        // We cannot use the query versions of crates() and crate_hash(), since
-        // those would need the DepNodes that we are allocating here.
-        for cnum in self.cstore.crates_untracked() {
-            let def_path_hash = self.def_path_hash(DefId { krate: cnum, index: CRATE_DEF_INDEX });
-            let dep_node = DepNode::from_def_path_hash(def_path_hash, DepKind::CrateMetadata);
-            let crate_hash = self.cstore.crate_hash_untracked(cnum);
-            self.dep_graph.with_task(
-                dep_node,
-                self,
-                crate_hash,
-                |_, x| x, // No transformation needed
-                dep_graph::hash_result,
-            );
-        }
-    }
-
     pub fn serialize_query_result_cache(self, encoder: &mut FileEncoder) -> FileEncodeResult {
         self.queries.on_disk_cache.as_ref().map(|c| c.serialize(self, encoder)).unwrap_or(Ok(()))
     }