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-rw-r--r--src/Cargo.lock1
-rw-r--r--src/librustc_data_structures/Cargo.toml1
2 files changed, 0 insertions, 2 deletions
diff --git a/src/Cargo.lock b/src/Cargo.lock
index a0bb92867ff..2eaa937baa2 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -2161,7 +2161,6 @@ dependencies = [
  "graphviz 0.0.0",
  "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-rayon 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-rayon-core 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/src/librustc_data_structures/Cargo.toml b/src/librustc_data_structures/Cargo.toml
index 10820007629..79f073d643d 100644
--- a/src/librustc_data_structures/Cargo.toml
+++ b/src/librustc_data_structures/Cargo.toml
@@ -16,7 +16,6 @@ serialize = { path = "../libserialize" }
 graphviz = { path = "../libgraphviz" }
 cfg-if = "0.1.2"
 stable_deref_trait = "1.0.0"
-parking_lot_core = "0.2.8"
 rustc-rayon = "0.1.1"
 rustc-rayon-core = "0.1.1"
 rustc-hash = "1.0.1"