diff --git a/f1/usart/src/usart1.c b/f1/usart/src/usart1.c
index d54b562d9f9e0491e87c911d1400c0ccaeea2879..8f8f8ab68f67bafc7e0e269ac7b7388653c92125 100644
--- a/f1/usart/src/usart1.c
+++ b/f1/usart/src/usart1.c
@@ -1,5 +1,4 @@
 #include "usart1.h"
-#include "gpio.h"
 
 #define     USART                    USART1
 #define     USART_ENABLE_CLK         __HAL_RCC_USART1_CLK_ENABLE()
diff --git a/memory/Makefile b/memory/Makefile
index 8c10981525a8f64771fb427596b3e8be3729e841..5acf059ad88e32dd3f13880565cd1dfa31fed021 100755
--- a/memory/Makefile
+++ b/memory/Makefile
@@ -2,8 +2,8 @@
 # modified by zerom for WinARM 8/2010
 
 COMPILE_OPTS = -mlittle-endian -mthumb -mthumb-interwork
-#COMPILE_OPTS += -Wall -O2 -fno-common
-COMPILE_OPTS += -Wall -g -fno-common
+COMPILE_OPTS += -Wall -O2 -fno-common
+#COMPILE_OPTS += -Wall -g -fno-common
 COMPILE_OPTS += -ffreestanding -nostdlib
 
 COMPILE_OPTS_M4_FPU = -mfloat-abi=hard -mfpu=fpv4-sp-d16 -mcpu=cortex-m4