diff --git a/tests/drivers/build_all/boards/serpente.overlay b/tests/drivers/build_all/boards/serpente.overlay
deleted file mode 100644
index 8c5f205b621..00000000000
--- a/tests/drivers/build_all/boards/serpente.overlay
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * Copyright (c) 2020 Alexander Falb <fal3xx@gmail.com>
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-&sercom0 {
-	compatible = "atmel,sam0-i2c";
-	clock-frequency = <I2C_BITRATE_FAST>;
-	#address-cells = <1>;
-	#size-cells = <0>;
-};
diff --git a/tests/drivers/build_all/src/main.c b/tests/drivers/build_all/src/main.c
deleted file mode 100644
index 8d1d3ab0e65..00000000000
--- a/tests/drivers/build_all/src/main.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (c) 2012-2014 Wind River Systems, Inc.
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#include <zephyr.h>
-#include <sys/printk.h>
-#include <device.h>
-
-
-/*
- * @file
- * @brief Hello World demo
- */
-
-
-void main(void)
-{
-	printk("Hello World!\n");
-}
-
-#if DT_NODE_EXISTS(DT_INST(0, vnd_gpio))
-/* Fake GPIO device, needed for building drivers that use DEVICE_DT_GET()
- * to access GPIO controllers.
- */
-DEVICE_DT_DEFINE(DT_INST(0, vnd_gpio), NULL, NULL, NULL, NULL,
-		 POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, NULL);
-#endif