diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_adc.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_adc.c
index df3a2452d0a..069219c7719 100644
--- a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_adc.c
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_adc.c
@@ -67,7 +67,7 @@
  * ADC1: {5, 10, 12, 13, 15};
  */
 
-static const uint8_t  g_adc1_chanlist[ADC1_NCHANNELS] =
+static const uint8_t g_adc1_chanlist[ADC1_NCHANNELS] =
 {
   5, 10, 12, 13, 15
 };
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_qencoder.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_qencoder.c
index 5c8182ae706..7a5119b8c1f 100644
--- a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_qencoder.c
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_qencoder.c
@@ -50,7 +50,7 @@
 
 int stm32_qencoder_initialize(const char *devpath, int timer)
 {
-  int ret = 0;
+  int ret;
 
   /* Initialize a quadrature encoder interface. */