diff --git a/configs/stm32f103-minimum/apds9960/defconfig b/configs/stm32f103-minimum/apds9960/defconfig
index bca7216518..29d75ae036 100644
--- a/configs/stm32f103-minimum/apds9960/defconfig
+++ b/configs/stm32f103-minimum/apds9960/defconfig
@@ -34,7 +34,6 @@ CONFIG_NSH_LINELEN=80
 CONFIG_PREALLOC_MQ_MSGS=4
 CONFIG_PREALLOC_TIMERS=4
 CONFIG_PREALLOC_WDOGS=4
-CONFIG_PTHREAD_STACK_DEFAULT=1024
 CONFIG_PTHREAD_STACK_MIN=512
 CONFIG_RAM_SIZE=20480
 CONFIG_RAM_START=0x20000000
@@ -59,5 +58,4 @@ CONFIG_SYMTAB_ORDEREDBYNAME=y
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_USART1_SERIAL_CONSOLE=y
 CONFIG_USER_ENTRYPOINT="nsh_main"
-CONFIG_USERMAIN_STACKSIZE=1024
 CONFIG_WDOG_INTRESERVE=0
diff --git a/configs/stm32f103-minimum/src/stm32f103_minimum.h b/configs/stm32f103-minimum/src/stm32f103_minimum.h
index 3e63608bea..d68712fd8d 100644
--- a/configs/stm32f103-minimum/src/stm32f103_minimum.h
+++ b/configs/stm32f103-minimum/src/stm32f103_minimum.h
@@ -216,7 +216,7 @@ int stm32_adc_setup(void);
  ************************************************************************************/
 
 #ifdef CONFIG_SENSORS_APDS9960
-int stm32_apds9960initialize(FAR const char *devpath)
+int stm32_apds9960initialize(FAR const char *devpath);
 #endif
 
 /************************************************************************************