diff --git a/samples/net/mqtt_publisher/boards/pinnacle_100_dvk.conf b/samples/net/mqtt_publisher/boards/pinnacle_100_dvk.conf
deleted file mode 100644
index 8181bcdd082..00000000000
--- a/samples/net/mqtt_publisher/boards/pinnacle_100_dvk.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-CONFIG_MODEM=y
-CONFIG_MODEM_HL7800=y