diff --git a/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.soc b/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.soc
index 9a858f6155..eb9587af77 100644
--- a/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.soc
+++ b/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.soc
@@ -20,6 +20,6 @@ prompt "nRF52x MCU Selection"
 depends on SOC_SERIES_NRF52X
 
 config SOC_NRF52832
-       bool "NRF52832"
+	bool "NRF52832"
 
 endchoice
diff --git a/boards/nrf52_pca10040/Kconfig b/boards/nrf52_pca10040/Kconfig
index fd42431560..ba88651f7d 100644
--- a/boards/nrf52_pca10040/Kconfig
+++ b/boards/nrf52_pca10040/Kconfig
@@ -17,7 +17,7 @@
 if BOARD_NRF52_PCA10040
 
 config  GPIO_AS_PINRESET
-        bool "GPIO as pin reset (reset button)"
-        default y
+	bool "GPIO as pin reset (reset button)"
+	default y
 
 endif # BOARD_NRF52_PCA10040
diff --git a/boards/nrf52_pca10040/Kconfig.board b/boards/nrf52_pca10040/Kconfig.board
index 178b9cefc5..83def618f0 100644
--- a/boards/nrf52_pca10040/Kconfig.board
+++ b/boards/nrf52_pca10040/Kconfig.board
@@ -15,5 +15,5 @@
 # limitations under the License.
 
 config  BOARD_NRF52_PCA10040
-        bool "nRF52 PCA10040"
-        depends on SOC_NRF52832
+	bool "nRF52 PCA10040"
+	depends on SOC_NRF52832
diff --git a/drivers/pinmux/Kconfig b/drivers/pinmux/Kconfig
index 5c6114becc..f8f47b2ac3 100644
--- a/drivers/pinmux/Kconfig
+++ b/drivers/pinmux/Kconfig
@@ -28,11 +28,11 @@ if PINMUX
 source "drivers/pinmux/dev/Kconfig"
 
 config PINMUX_NAME
-       string "Pinmux driver name"
-       depends on PINMUX
-       default "PINMUX"
-       help
-       The name of the pinmux driver.
+	string "Pinmux driver name"
+	depends on PINMUX
+	default "PINMUX"
+	help
+	The name of the pinmux driver.
 
 config PINMUX_INIT_PRIORITY
 	int
diff --git a/drivers/sensor/Kconfig.lsm6ds0 b/drivers/sensor/Kconfig.lsm6ds0
index 1167cac510..253d763d66 100644
--- a/drivers/sensor/Kconfig.lsm6ds0
+++ b/drivers/sensor/Kconfig.lsm6ds0
@@ -23,7 +23,7 @@ menuconfig LSM6DS0
 	default n
 	help
 	  Enable driver for LSM6DS0 I2C-based accelerometer and gyroscope
-          sensor.
+	  sensor.
 
 config LSM6DS0_SYS_LOG_LEVEL
 	int "LSM6DS0 Log level"
diff --git a/drivers/serial/Kconfig.nrf5 b/drivers/serial/Kconfig.nrf5
index 225fe051e2..bff7e7dbb2 100644
--- a/drivers/serial/Kconfig.nrf5
+++ b/drivers/serial/Kconfig.nrf5
@@ -71,7 +71,7 @@ config UART_NRF5_GPIO_TX_PIN
 	range 0 31
 	default 6
 	depends on UART_NRF5
-        depends on GPIO_NRF5
+	depends on GPIO_NRF5
 	help
 	  The GPIO pin to use for TX.