diff --git a/samples/bluetooth/hci_uart/96b_nitrogen.overlay b/samples/bluetooth/hci_uart/96b_nitrogen.overlay
new file mode 100644
index 0000000000000..4113eafe1d36c
--- /dev/null
+++ b/samples/bluetooth/hci_uart/96b_nitrogen.overlay
@@ -0,0 +1,5 @@
+&uart0 {
+	compatible = "nordic,nrf-uart";
+	current-speed = <1000000>;
+	status = "ok";
+};
diff --git a/samples/bluetooth/hci_uart/nrf51_blenano.overlay b/samples/bluetooth/hci_uart/nrf51_blenano.overlay
new file mode 100644
index 0000000000000..4113eafe1d36c
--- /dev/null
+++ b/samples/bluetooth/hci_uart/nrf51_blenano.overlay
@@ -0,0 +1,5 @@
+&uart0 {
+	compatible = "nordic,nrf-uart";
+	current-speed = <1000000>;
+	status = "ok";
+};
diff --git a/samples/bluetooth/hci_uart/nrf51_pca10028.overlay b/samples/bluetooth/hci_uart/nrf51_pca10028.overlay
new file mode 100644
index 0000000000000..4113eafe1d36c
--- /dev/null
+++ b/samples/bluetooth/hci_uart/nrf51_pca10028.overlay
@@ -0,0 +1,5 @@
+&uart0 {
+	compatible = "nordic,nrf-uart";
+	current-speed = <1000000>;
+	status = "ok";
+};
diff --git a/samples/bluetooth/hci_uart/nrf52840_pca10056.overlay b/samples/bluetooth/hci_uart/nrf52840_pca10056.overlay
new file mode 100644
index 0000000000000..4113eafe1d36c
--- /dev/null
+++ b/samples/bluetooth/hci_uart/nrf52840_pca10056.overlay
@@ -0,0 +1,5 @@
+&uart0 {
+	compatible = "nordic,nrf-uart";
+	current-speed = <1000000>;
+	status = "ok";
+};
diff --git a/samples/bluetooth/hci_uart/nrf52_blenano2.overlay b/samples/bluetooth/hci_uart/nrf52_blenano2.overlay
new file mode 100644
index 0000000000000..4113eafe1d36c
--- /dev/null
+++ b/samples/bluetooth/hci_uart/nrf52_blenano2.overlay
@@ -0,0 +1,5 @@
+&uart0 {
+	compatible = "nordic,nrf-uart";
+	current-speed = <1000000>;
+	status = "ok";
+};
diff --git a/samples/bluetooth/hci_uart/nrf52_pca10040.overlay b/samples/bluetooth/hci_uart/nrf52_pca10040.overlay
new file mode 100644
index 0000000000000..4113eafe1d36c
--- /dev/null
+++ b/samples/bluetooth/hci_uart/nrf52_pca10040.overlay
@@ -0,0 +1,5 @@
+&uart0 {
+	compatible = "nordic,nrf-uart";
+	current-speed = <1000000>;
+	status = "ok";
+};