diff --git a/src/runtime/src/main.rs b/src/runtime/src/main.rs
index b8de010..56f6796 100644
--- a/src/runtime/src/main.rs
+++ b/src/runtime/src/main.rs
@@ -158,11 +158,7 @@ pub fn main_core0() {
     // cxp_downconn::loopback_testing(0, &mut timer, cxp_phys::CXP_SPEED::CXP_6);
     // cxp_downconn::loopback_testing(0, &mut timer, cxp_phys::CXP_SPEED::CXP_10);
     // cxp_downconn::loopback_testing(0, &mut timer, cxp_phys::CXP_SPEED::CXP_12);
-    // loop {
-    //     use embedded_hal::prelude::_embedded_hal_blocking_delay_DelayUs;
-    //     cxp_upconn::tx_test(0, &mut timer);
-    //     timer.delay_us(5_000_000);
-    // }
+    // cxp_upconn::tx_test(0, &mut timer);
 
     comms::main(timer, cfg);
 }