diff --git a/samples/bluetooth/hci_lpuart/boards/nrf9160dk_nrf52840.conf b/samples/bluetooth/hci_lpuart/boards/nrf9160dk_nrf52840.conf
index c4ea3fddf698..178a1531e5f5 100644
--- a/samples/bluetooth/hci_lpuart/boards/nrf9160dk_nrf52840.conf
+++ b/samples/bluetooth/hci_lpuart/boards/nrf9160dk_nrf52840.conf
@@ -5,7 +5,6 @@ CONFIG_MAIN_STACK_SIZE=1024
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=512
 CONFIG_BT_MAX_CONN=16
 CONFIG_BT_TINYCRYPT_ECC=n
-CONFIG_BT_CTLR_DTM_HCI=y
 CONFIG_BT_CTLR_ASSERT_HANDLER=y
 
 CONFIG_UART_1_ASYNC=y
diff --git a/samples/bluetooth/hci_lpuart/boards/nrf9160dk_nrf52840.overlay b/samples/bluetooth/hci_lpuart/boards/nrf9160dk_nrf52840.overlay
index 971685d8dbd1..b5788abcf3d5 100644
--- a/samples/bluetooth/hci_lpuart/boards/nrf9160dk_nrf52840.overlay
+++ b/samples/bluetooth/hci_lpuart/boards/nrf9160dk_nrf52840.overlay
@@ -58,10 +58,8 @@
 	interrupts = <6 NRF_DEFAULT_IRQ_PRIORITY>;
 };
 
-/* Disabling uart rx pin to get low power */
 &uart0 {
 	pinctrl-0 = <&uart0_default_alt>;
 	pinctrl-1 = <&uart0_sleep_alt>;
 	pinctrl-names = "default", "sleep";
-	disable-rx;
 };