diff --git a/src/main/target/SPRACINGF3EVO/target.h b/src/main/target/SPRACINGF3EVO/target.h
index f48058b61b..5a03c596e8 100755
--- a/src/main/target/SPRACINGF3EVO/target.h
+++ b/src/main/target/SPRACINGF3EVO/target.h
@@ -71,8 +71,9 @@
 #define USE_UART1
 #define USE_UART2
 #define USE_UART3
-#define USE_SOFTSERIAL1
-#define USE_SOFTSERIAL2
+// Disabled to make targets fit into flash space in 3.1.7
+//#define USE_SOFTSERIAL1
+//#define USE_SOFTSERIAL2
 
 #define SERIAL_PORT_COUNT       6