diff --git a/makefiles/config_px4fmu-v1_default.mk b/makefiles/config_px4fmu-v1_default.mk
index a7c10f52f3..97eddfdd2b 100644
--- a/makefiles/config_px4fmu-v1_default.mk
+++ b/makefiles/config_px4fmu-v1_default.mk
@@ -25,7 +25,6 @@ MODULES		+= drivers/mpu6000
 MODULES		+= drivers/hmc5883
 MODULES		+= drivers/ms5611
 MODULES		+= drivers/mb12xx
-MODULES		+= drivers/ll40ls
 MODULES		+= drivers/gps
 MODULES		+= drivers/hil
 MODULES		+= drivers/hott/hott_telemetry
@@ -44,7 +43,6 @@ MODULES		+= modules/sensors
 #
 MODULES		+= systemcmds/mtd
 MODULES		+= systemcmds/bl_update
-MODULES		+= systemcmds/i2c
 MODULES		+= systemcmds/mixer
 MODULES		+= systemcmds/param
 MODULES		+= systemcmds/perf
@@ -152,5 +150,4 @@ endef
 #                  command                 priority                   stack  entrypoint
 BUILTIN_COMMANDS := \
 	$(call _B, sercon,                 ,                          2048,  sercon_main                ) \
-	$(call _B, serdis,                 ,                          2048,  serdis_main                ) \
-	$(call _B, sysinfo,                ,                          2048,  sysinfo_main               )
+	$(call _B, serdis,                 ,                          2048,  serdis_main                )
diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index 32069cf09b..97919538ff 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -1968,7 +1968,7 @@ PX4IO::print_status(bool extended_status)
 	printf("actuators");
 
 	for (unsigned i = 0; i < _max_actuators; i++)
-		printf(" %u", io_reg_get(PX4IO_PAGE_ACTUATORS, i));
+		printf(" %hi", int16_t(io_reg_get(PX4IO_PAGE_ACTUATORS, i)));
 
 	printf("\n");
 	printf("servos");
diff --git a/src/modules/mavlink/mavlink_main.cpp b/src/modules/mavlink/mavlink_main.cpp
index d63b08040f..a203102ecf 100644
--- a/src/modules/mavlink/mavlink_main.cpp
+++ b/src/modules/mavlink/mavlink_main.cpp
@@ -169,7 +169,6 @@ Mavlink::Mavlink() :
 	_param_component_id(0),
 	_param_system_type(0),
 	_param_use_hil_gps(0),
-	_param_forward_externalsp(0),
 
 	/* performance counters */
 	_loop_perf(perf_alloc(PC_ELAPSED, "mavlink_el")),