diff --git a/app/sample.yaml b/app/sample.yaml
index e343db9..9eb2434 100644
--- a/app/sample.yaml
+++ b/app/sample.yaml
@@ -7,8 +7,7 @@ sample:
 common:
   build_only: true
   integration_platforms:
-    - custom_plank
-    - nucleo_f302r8
+    - nucleo_f446re
 tests:
   app.default: {}
   app.debug:
diff --git a/app/src/main.c b/app/src/main.c
index dffdf41..c43bc3c 100644
--- a/app/src/main.c
+++ b/app/src/main.c
@@ -4,77 +4,19 @@
  */
 
 #include <zephyr/kernel.h>
-#include <zephyr/drivers/sensor.h>
 #include <zephyr/logging/log.h>
 
-#include <app/drivers/blink.h>
-
 #include <app_version.h>
 
 LOG_MODULE_REGISTER(main, CONFIG_APP_LOG_LEVEL);
 
-#define BLINK_PERIOD_MS_STEP 100U
-#define BLINK_PERIOD_MS_MAX  1000U
+int main(void) {
+  printk("Zephyr Example Application %s\n", APP_VERSION_STRING);
 
-int main(void)
-{
-	int ret;
-	unsigned int period_ms = BLINK_PERIOD_MS_MAX;
-	const struct device *sensor, *blink;
-	struct sensor_value last_val = { 0 }, val;
+  while (1) {
+    printk("Running...\n");
+    k_sleep(K_SECONDS(5));
+  }
 
-	printk("Zephyr Example Application %s\n", APP_VERSION_STRING);
-
-	sensor = DEVICE_DT_GET(DT_NODELABEL(example_sensor));
-	if (!device_is_ready(sensor)) {
-		LOG_ERR("Sensor not ready");
-		return 0;
-	}
-
-	blink = DEVICE_DT_GET(DT_NODELABEL(blink_led));
-	if (!device_is_ready(blink)) {
-		LOG_ERR("Blink LED not ready");
-		return 0;
-	}
-
-	ret = blink_off(blink);
-	if (ret < 0) {
-		LOG_ERR("Could not turn off LED (%d)", ret);
-		return 0;
-	}
-
-	printk("Use the sensor to change LED blinking period\n");
-
-	while (1) {
-		ret = sensor_sample_fetch(sensor);
-		if (ret < 0) {
-			LOG_ERR("Could not fetch sample (%d)", ret);
-			return 0;
-		}
-
-		ret = sensor_channel_get(sensor, SENSOR_CHAN_PROX, &val);
-		if (ret < 0) {
-			LOG_ERR("Could not get sample (%d)", ret);
-			return 0;
-		}
-
-		if ((last_val.val1 == 0) && (val.val1 == 1)) {
-			if (period_ms == 0U) {
-				period_ms = BLINK_PERIOD_MS_MAX;
-			} else {
-				period_ms -= BLINK_PERIOD_MS_STEP;
-			}
-
-			printk("Proximity detected, setting LED period to %u ms\n",
-			       period_ms);
-			blink_set_period_ms(blink, period_ms);
-		}
-
-		last_val = val;
-
-		k_sleep(K_MSEC(100));
-	}
-
-	return 0;
+  return 0;
 }
-
diff --git a/west.yml b/west.yml
index c3e4067..6cb9bdd 100644
--- a/west.yml
+++ b/west.yml
@@ -18,5 +18,4 @@ manifest:
         # strictly needed by the application.
         name-allowlist:
           - cmsis_6    # required by the ARM port for Cortex-M
-          - hal_nordic # required by the custom_plank board (Nordic based)
-          - hal_stm32  # required by the nucleo_f302r8 board (STM32 based)
+          - hal_stm32  # required by the nucleo_f446re board (STM32 based)