diff --git a/substrate/candidate-agreement/src/lib.rs b/substrate/candidate-agreement/src/lib.rs
index b23b9c606c..09dd56f5f0 100644
--- a/substrate/candidate-agreement/src/lib.rs
+++ b/substrate/candidate-agreement/src/lib.rs
@@ -29,7 +29,6 @@
 //!
 //! Groups themselves may be compromised by malicious validators.
 
-#[macro_use]
 extern crate futures;
 extern crate polkadot_primitives as primitives;