diff --git a/flight/modules/GPS/GPS.c b/flight/modules/GPS/GPS.c
index 97151f2fb..642a00268 100644
--- a/flight/modules/GPS/GPS.c
+++ b/flight/modules/GPS/GPS.c
@@ -91,7 +91,7 @@ void updateGpsSettings(UAVObjEvent *ev);
 #else
 #if defined(PIOS_GPS_MINIMAL)
         #define GPS_READ_BUFFER    32
-        #define STACK_SIZE_BYTES   500
+        #define STACK_SIZE_BYTES   580
 #else
         #define STACK_SIZE_BYTES   650
 #endif // PIOS_GPS_MINIMAL
diff --git a/flight/targets/boards/coptercontrol/firmware/Makefile b/flight/targets/boards/coptercontrol/firmware/Makefile
index 799013726..2a9660bf1 100644
--- a/flight/targets/boards/coptercontrol/firmware/Makefile
+++ b/flight/targets/boards/coptercontrol/firmware/Makefile
@@ -116,7 +116,6 @@ ifndef TESTAPP
     SRC += $(OPUAVSYNTHDIR)/gpsvelocitysensor.c
     SRC += $(OPUAVSYNTHDIR)/gpssettings.c
     SRC += $(OPUAVSYNTHDIR)/hwsettings.c
-    SRC += $(OPUAVSYNTHDIR)/gcsreceiver.c
     SRC += $(OPUAVSYNTHDIR)/receiveractivity.c
     SRC += $(OPUAVSYNTHDIR)/taskinfo.c
     SRC += $(OPUAVSYNTHDIR)/callbackinfo.c
diff --git a/flight/targets/boards/coptercontrol/firmware/inc/pios_config.h b/flight/targets/boards/coptercontrol/firmware/inc/pios_config.h
index 9450a6781..34547ff66 100644
--- a/flight/targets/boards/coptercontrol/firmware/inc/pios_config.h
+++ b/flight/targets/boards/coptercontrol/firmware/inc/pios_config.h
@@ -97,10 +97,10 @@
 /* PIOS receiver drivers */
 #define PIOS_INCLUDE_PWM
 #define PIOS_INCLUDE_PPM
-#define PIOS_INCLUDE_PPM_FLEXI
+/* #define PIOS_INCLUDE_PPM_FLEXI */
 #define PIOS_INCLUDE_DSM
 #define PIOS_INCLUDE_SBUS
-#define PIOS_INCLUDE_GCSRCVR
+/* #define PIOS_INCLUDE_GCSRCVR */
 /* #define PIOS_INCLUDE_OPLINKRCVR */
 
 /* PIOS abstract receiver interface */