diff --git a/tests/drivers/adc/adc_api/boards/vmu_rt1170.overlay b/tests/drivers/adc/adc_api/boards/vmu_rt1170.overlay
deleted file mode 100644
index 2b310ca6f3f..00000000000
--- a/tests/drivers/adc/adc_api/boards/vmu_rt1170.overlay
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * SPDX-License-Identifier: Apache-2.0
- *
- * Copyright 2023 CogniPilot Foundation
- */
-
-#include <zephyr/dt-bindings/adc/mcux-lpadc.h>
-
-/ {
-	zephyr,user {
-		io-channels = <&lpadc1 0>, <&lpadc1 1>;
-	};
-};
-
-&lpadc1 {
-	#address-cells = <1>;
-	#size-cells = <0>;
-
-	channel@0 {
-		reg = <0>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_EXTERNAL0";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,resolution = <12>;
-	};
-
-	channel@1 {
-		reg = <1>;
-		zephyr,gain = "ADC_GAIN_1";
-		zephyr,reference = "ADC_REF_EXTERNAL0";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,resolution = <12>;
-	};
-};