diff --git a/boards/arm/b_l072z_lrwan1/b_l072z_lrwan1.dts b/boards/arm/b_l072z_lrwan1/b_l072z_lrwan1.dts
index 14cbe6b33a4..b96236a0401 100644
--- a/boards/arm/b_l072z_lrwan1/b_l072z_lrwan1.dts
+++ b/boards/arm/b_l072z_lrwan1/b_l072z_lrwan1.dts
@@ -59,6 +59,25 @@
 	};
 };
 
+&clk_hsi {
+	status = "okay";
+};
+
+&pll {
+	div = <2>;
+	mul = <4>;
+	clocks = <&clk_hsi>;
+	status = "okay";
+};
+
+&rcc {
+	clocks = <&pll>;
+	clock-frequency = <DT_FREQ_M(32)>;
+	ahb-prescaler = <1>;
+	apb1-prescaler = <1>;
+	apb2-prescaler = <1>;
+};
+
 arduino_usart: &usart1 {};
 arduino_spi: &spi2 {};
 arduino_i2c: &i2c1 {};
diff --git a/boards/arm/b_l072z_lrwan1/b_l072z_lrwan1_defconfig b/boards/arm/b_l072z_lrwan1/b_l072z_lrwan1_defconfig
index 993c34aee6a..0f2375fd2f5 100644
--- a/boards/arm/b_l072z_lrwan1/b_l072z_lrwan1_defconfig
+++ b/boards/arm/b_l072z_lrwan1/b_l072z_lrwan1_defconfig
@@ -7,23 +7,11 @@ CONFIG_SOC_SERIES_STM32L0X=y
 CONFIG_SOC_STM32L072XX=y
 CONFIG_BOARD_B_L072Z_LRWAN1=y
 
-# General Kernel Options
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=32000000
-
 # Enable MPU
 CONFIG_ARM_MPU=y
 
-# Clock configuration
+# Enable Clocks
 CONFIG_CLOCK_CONTROL=y
-# SYSCLK selection
-CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
-# Use HSI source
-CONFIG_CLOCK_STM32_PLL_SRC_HSI=y
-CONFIG_CLOCK_STM32_PLL_DIVISOR=2
-# produce 32Mhz clock at PLL output
-CONFIG_CLOCK_STM32_PLL_MULTIPLIER=4
-CONFIG_CLOCK_STM32_AHB_PRESCALER=1
-CONFIG_CLOCK_STM32_APB1_PRESCALER=1
 
 # Serial Drivers
 CONFIG_SERIAL=y