diff --git a/src/main.rs b/src/main.rs
index d4958df..6008d77 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,7 +5,6 @@
 
 use clap::{ArgGroup, Parser};
 use clap_num::maybe_hex;
-use std::process::exit;
 
 pub type Num = usize;