diff --git a/Cargo.lock b/Cargo.lock
index 17378cb4a2d..509409ad272 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3768,7 +3768,6 @@ dependencies = [
  "arrayvec",
  "bitflags",
  "cfg-if 0.1.10",
- "crossbeam-utils 0.8.3",
  "ena",
  "indexmap",
  "jobserver",
diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml
index c35a164bb33..112b94f6e0e 100644
--- a/compiler/rustc_data_structures/Cargo.toml
+++ b/compiler/rustc_data_structures/Cargo.toml
@@ -17,7 +17,6 @@ rustc_serialize = { path = "../rustc_serialize" }
 rustc_macros = { path = "../rustc_macros" }
 rustc_graphviz = { path = "../rustc_graphviz" }
 cfg-if = "0.1.2"
-crossbeam-utils = { version = "0.8", features = ["nightly"] }
 stable_deref_trait = "1.0.0"
 rayon = { version = "0.3.1", package = "rustc-rayon" }
 rayon-core = { version = "0.3.1", package = "rustc-rayon-core" }