diff --git a/artiq/firmware/satman/repeater.rs b/artiq/firmware/satman/repeater.rs
index 69a813d34..9969d5099 100644
--- a/artiq/firmware/satman/repeater.rs
+++ b/artiq/firmware/satman/repeater.rs
@@ -43,6 +43,7 @@ impl Repeater {
         }
     }
 
+    #[allow(dead_code)]
     pub fn is_up(&self) -> bool {
         self.state == RepeaterState::Up
     }