diff --git a/samples/sensor/die_temp_polling/boards/rpi_pico.conf b/samples/sensor/die_temp_polling/boards/rpi_pico.conf
deleted file mode 100644
index 488a81dca52..00000000000
--- a/samples/sensor/die_temp_polling/boards/rpi_pico.conf
+++ /dev/null
@@ -1 +0,0 @@
-CONFIG_ADC=y