diff --git a/arch/arm/src/stm32l4/stm32l4_serial.c b/arch/arm/src/stm32l4/stm32l4_serial.c
index 15347627b70..187a8f8f9bb 100644
--- a/arch/arm/src/stm32l4/stm32l4_serial.c
+++ b/arch/arm/src/stm32l4/stm32l4_serial.c
@@ -1423,7 +1423,7 @@ static int up_interrupt(int irq, FAR void *context, FAR void *arg)
   int  passes;
   bool handled;
 
-  DEBUGASSERt(priv != NULL);
+  DEBUGASSERT(priv != NULL);
 
   /* Report serial activity to the power management logic */
 
diff --git a/configs/stm32f429i-disco/src/stm32_stmpe811.c b/configs/stm32f429i-disco/src/stm32_stmpe811.c
index 13c0a91dc79..29fb9284a8b 100644
--- a/configs/stm32f429i-disco/src/stm32_stmpe811.c
+++ b/configs/stm32f429i-disco/src/stm32_stmpe811.c
@@ -253,7 +253,7 @@ static void stmpe811_enable(FAR struct stmpe811_config_s *state, bool enable)
      (void)stm32_gpiosetevent(GPIO_IO_EXPANDER, false, false, false,
                               NULL, NULL);
     }
-`
+
   leave_critical_section(flags);
 }