diff --git a/tests/nrf51422/src/bin/gpio.rs b/tests/nrf51422/src/bin/gpio.rs
index 6c6bc0839..0e5712273 100644
--- a/tests/nrf51422/src/bin/gpio.rs
+++ b/tests/nrf51422/src/bin/gpio.rs
@@ -16,11 +16,11 @@ async fn main(_spawner: Spawner) {
     let mut output = Output::new(p.P0_14, Level::Low, OutputDrive::Standard);
 
     output.set_low();
-    Timer::after_millis(1).await;
+    Timer::after_millis(10).await;
     assert!(input.is_low());
 
     output.set_high();
-    Timer::after_millis(1).await;
+    Timer::after_millis(10).await;
     assert!(input.is_high());
 
     info!("Test OK");
diff --git a/tests/nrf51422/src/bin/test.rs b/tests/nrf51422/src/bin/test.rs
deleted file mode 100644
index d3ffe26e3..000000000
--- a/tests/nrf51422/src/bin/test.rs
+++ /dev/null
@@ -1,14 +0,0 @@
-#![no_std]
-#![no_main]
-teleprobe_meta::target!(b"nrf51-dk");
-
-use defmt::info;
-use embassy_executor::Spawner;
-use {defmt_rtt as _, panic_probe as _};
-
-#[embassy_executor::main]
-async fn main(_spawner: Spawner) {
-    let _p = embassy_nrf::init(Default::default());
-    info!("Test OK");
-    cortex_m::asm::bkpt();
-}