diff --git a/boards/96b_nitrogen/96b_nitrogen_defconfig b/boards/96b_nitrogen/96b_nitrogen_defconfig
index 1499f58f530..3691a964510 100644
--- a/boards/96b_nitrogen/96b_nitrogen_defconfig
+++ b/boards/96b_nitrogen/96b_nitrogen_defconfig
@@ -11,8 +11,6 @@ CONFIG_XIP=y
 # enable uart driver
 CONFIG_SERIAL=y
 CONFIG_UART_NRF5=y
-CONFIG_UART_NRF5_GPIO_TX_PIN=13
-CONFIG_UART_NRF5_GPIO_RX_PIN=15
 
 # enable console
 CONFIG_CONSOLE=y
diff --git a/boards/96b_nitrogen/Kconfig.defconfig b/boards/96b_nitrogen/Kconfig.defconfig
index 562473e7854..a4397822a58 100644
--- a/boards/96b_nitrogen/Kconfig.defconfig
+++ b/boards/96b_nitrogen/Kconfig.defconfig
@@ -30,6 +30,18 @@ config GPIO_NRF5
 config GPIO_NRF5_P0
 	default y
 
+config UART_NRF5_GPIO_TX_PIN
+	default 13
+
+config UART_NRF5_GPIO_RX_PIN
+	default 15
+
+config UART_NRF5_GPIO_RTS_PIN
+	default 12
+
+config UART_NRF5_GPIO_CTS_PIN
+	default 14
+
 endif # UART_NRF5
 
 endif # BOARD_96B_NITROGEN
diff --git a/boards/nrf51_pca10028/Kconfig.defconfig b/boards/nrf51_pca10028/Kconfig.defconfig
index 19b9c2d450d..54f7c2854cc 100644
--- a/boards/nrf51_pca10028/Kconfig.defconfig
+++ b/boards/nrf51_pca10028/Kconfig.defconfig
@@ -30,6 +30,18 @@ config GPIO_NRF5
 config GPIO_NRF5_P0
 	default y
 
+config UART_NRF5_GPIO_TX_PIN
+	default 9
+
+config UART_NRF5_GPIO_RX_PIN
+	default 11
+
+config UART_NRF5_GPIO_RTS_PIN
+	default 8
+
+config UART_NRF5_GPIO_CTS_PIN
+	default 10
+
 endif # UART_NRF5
 
 endif # BOARD_NRF51_PCA10028
diff --git a/boards/nrf51_pca10028/nrf51_pca10028_defconfig b/boards/nrf51_pca10028/nrf51_pca10028_defconfig
index f56a7478533..147a800f298 100644
--- a/boards/nrf51_pca10028/nrf51_pca10028_defconfig
+++ b/boards/nrf51_pca10028/nrf51_pca10028_defconfig
@@ -7,8 +7,6 @@ CONFIG_BOARD_NRF51_PCA10028=y
 # enable uart driver
 CONFIG_SERIAL=y
 CONFIG_UART_NRF5=y
-CONFIG_UART_NRF5_GPIO_TX_PIN=9
-CONFIG_UART_NRF5_GPIO_RX_PIN=11
 
 # enable console
 CONFIG_CONSOLE=y
diff --git a/boards/nrf52_pca10040/Kconfig.defconfig b/boards/nrf52_pca10040/Kconfig.defconfig
index 01270f7cb7b..602e0ede312 100644
--- a/boards/nrf52_pca10040/Kconfig.defconfig
+++ b/boards/nrf52_pca10040/Kconfig.defconfig
@@ -30,6 +30,18 @@ config GPIO_NRF5
 config GPIO_NRF5_P0
 	default y
 
+config UART_NRF5_GPIO_TX_PIN
+	default 6
+
+config UART_NRF5_GPIO_RX_PIN
+	default 8
+
+config UART_NRF5_GPIO_RTS_PIN
+	default 5
+
+config UART_NRF5_GPIO_CTS_PIN
+	default 7
+
 endif # UART_NRF5
 
 endif # BOARD_NRF52_PCA10040
diff --git a/drivers/serial/Kconfig.nrf5 b/drivers/serial/Kconfig.nrf5
index d6e1007f161..860d0bd859d 100644
--- a/drivers/serial/Kconfig.nrf5
+++ b/drivers/serial/Kconfig.nrf5
@@ -68,7 +68,6 @@ config UART_NRF5_FLOW_CONTROL
 config UART_NRF5_GPIO_TX_PIN
 	int "TX Pin Number"
 	range 0 31
-	default 6
 	depends on UART_NRF5
 	depends on GPIO_NRF5
 	help
@@ -77,7 +76,6 @@ config UART_NRF5_GPIO_TX_PIN
 config UART_NRF5_GPIO_RX_PIN
 	int "RX Pin Number"
 	range 0 31
-	default 8
 	depends on UART_NRF5
 	depends on GPIO_NRF5
 	help
@@ -86,7 +84,6 @@ config UART_NRF5_GPIO_RX_PIN
 config UART_NRF5_GPIO_RTS_PIN
 	int "RTS Pin Number"
 	range 0 31
-	default 5
 	depends on UART_NRF5
 	depends on GPIO_NRF5
 	depends on UART_NRF5_FLOW_CONTROL
@@ -96,7 +93,6 @@ config UART_NRF5_GPIO_RTS_PIN
 config UART_NRF5_GPIO_CTS_PIN
 	int "CTS Pin Number"
 	range 0 31
-	default 7
 	depends on UART_NRF5
 	depends on GPIO_NRF5
 	depends on UART_NRF5_FLOW_CONTROL