diff --git a/src/runtime/src/main.rs b/src/runtime/src/main.rs
index 0c581f6..1773363 100644
--- a/src/runtime/src/main.rs
+++ b/src/runtime/src/main.rs
@@ -153,7 +153,7 @@ pub fn main_core0() {
     task::spawn(ksupport::report_async_rtio_errors());
 
     #[cfg(has_cxp_phys)]
-    cxp_phys::setup(&mut timer);
+    cxp_phys::setup();
 
     comms::main(timer, cfg);
 }