diff --git a/src/printf/cli.rs b/src/printf/cli.rs
index e69cdf3c9..83f3f598c 100644
--- a/src/printf/cli.rs
+++ b/src/printf/cli.rs
@@ -1,5 +1,4 @@
 //! stdio convenience fns
-#[allow(unused_must_use)]
 
 use std::io::{stderr, stdout, Write};
 use std::env;