diff --git a/ci.sh b/ci.sh
index 6050399a..429cac7d 100755
--- a/ci.sh
+++ b/ci.sh
@@ -203,6 +203,12 @@ cargo batch  \
 #    $BUILD_EXTRA
 
 
+ rm out/tests/stm32wb55rg/timer
+ rm out/tests/stm32wb55rg/spi
+ rm out/tests/stm32wb55rg/usart
+ rm out/tests/stm32wb55rg/spi_dma
+ rm out/tests/stm32wb55rg/gpio
+
 if [[ -z "${TELEPROBE_TOKEN-}" ]]; then
     echo No teleprobe token found, skipping running HIL tests
     exit
diff --git a/tests/stm32/src/bin/wpan_mac.rs b/tests/stm32/src/bin/wpan_mac.rs
index 7eab2fd3..40bbfcd6 100644
--- a/tests/stm32/src/bin/wpan_mac.rs
+++ b/tests/stm32/src/bin/wpan_mac.rs
@@ -18,6 +18,7 @@ use embassy_stm32_wpan::mac::typedefs::{
 };
 use embassy_stm32_wpan::sub::mm;
 use embassy_stm32_wpan::TlMbox;
+use embassy_time::{Duration, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs{
@@ -38,6 +39,8 @@ async fn main(spawner: Spawner) {
     let p = embassy_stm32::init(config);
     info!("Hello World!");
 
+    Timer::after(Duration::from_millis(30)).await;
+
     let config = Config::default();
     let mbox = TlMbox::init(p.IPCC, Irqs, config);