1 files changed, 0 insertions, 2 deletions
diff --git a/src/libnum/lib.rs b/src/libnum/lib.rs
index e9e93cc29d6..8e42b01f14c 100644
--- a/src/libnum/lib.rs
+++ b/src/libnum/lib.rs
@@ -15,8 +15,6 @@
 #[crate_type = "dylib"];
 #[license = "MIT/ASL2"];
 
-extern crate extra;
-
 pub mod bigint;
 pub mod rational;
 pub mod complex;