diff --git a/src/lib.rs b/src/lib.rs
index fee2ea97a57..adaf5d858c6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,6 @@
 #![warn(unused_lifetimes)]
 #![warn(unreachable_pub)]
 
-extern crate snap;
 #[macro_use]
 extern crate rustc_middle;
 extern crate rustc_ast;