1 files changed, 2 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs
index 7c3db1b91f3..c44d7ec6b60 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,6 +5,8 @@
 #![comment = "The Servo Parallel Browser Project"]
 #![license = "MPL"]
 
+#![deny(unused_imports, unused_variable)]
+
 extern crate servo;
 extern crate native;
 extern crate servo_util = "util";