diff --git a/src/main/msp/msp_serial.h b/src/main/msp/msp_serial.h
index d9bb1fe809..57704f33a3 100644
--- a/src/main/msp/msp_serial.h
+++ b/src/main/msp/msp_serial.h
@@ -40,7 +40,7 @@ typedef enum {
 #define MSP_PORT_INBUF_SIZE 192
 #ifdef USE_FLASHFS
 #ifdef STM32F1
-#define MSP_PORT_DATAFLASH_BUFFER_SIZE 2048
+#define MSP_PORT_DATAFLASH_BUFFER_SIZE 1024
 #else
 #define MSP_PORT_DATAFLASH_BUFFER_SIZE 4096
 #endif
diff --git a/src/main/target/CC3D/target.h b/src/main/target/CC3D/target.h
index b6ef71a966..6a7a740c1f 100644
--- a/src/main/target/CC3D/target.h
+++ b/src/main/target/CC3D/target.h
@@ -106,7 +106,7 @@
 // USART3, PB11 (Flexport)
 #define BIND_PIN   PB11
 
-#define USE_SERIAL_4WAY_BLHELI_INTERFACE
+//#define USE_SERIAL_4WAY_BLHELI_INTERFACE
 
 //#define SONAR
 //#define SONAR_ECHO_PIN          PB0