diff --git a/src/bin/cg_clif_build_sysroot.rs b/src/bin/cg_clif_build_sysroot.rs
index e7cd5edbbf6..89e0cb8d90e 100644
--- a/src/bin/cg_clif_build_sysroot.rs
+++ b/src/bin/cg_clif_build_sysroot.rs
@@ -8,7 +8,6 @@
 
 #![feature(rustc_private)]
 
-extern crate rustc_data_structures;
 extern crate rustc_driver;
 extern crate rustc_interface;
 extern crate rustc_session;