diff --git a/hacking/cargo-manifest-management/tool/crates/manage-cargo-manifests/src/main.rs b/hacking/cargo-manifest-management/tool/crates/manage-cargo-manifests/src/main.rs
index 92de3b0d6..3dd661201 100644
--- a/hacking/cargo-manifest-management/tool/crates/manage-cargo-manifests/src/main.rs
+++ b/hacking/cargo-manifest-management/tool/crates/manage-cargo-manifests/src/main.rs
@@ -5,7 +5,6 @@
 //
 
 use std::fs::{self, File};
-use std::io;
 use std::path::PathBuf;
 use std::result::Result as StdResult;
 use std::str;