diff --git a/src/main/fc/fc_tasks.c b/src/main/fc/fc_tasks.c
index b00a8f6533..056bd92271 100644
--- a/src/main/fc/fc_tasks.c
+++ b/src/main/fc/fc_tasks.c
@@ -36,6 +36,7 @@
 #include "fc/runtime_config.h"
 
 #include "flight/pid.h"
+#include "flight/altitudehold.h"
 
 #include "io/beeper.h"
 #include "io/display.h"
@@ -43,6 +44,7 @@
 #include "io/ledstrip.h"
 #include "io/osd.h"
 #include "io/serial.h"
+#include "io/serial_msp.h"
 #include "io/serial_cli.h"
 #include "io/transponder_ir.h"
 
diff --git a/src/main/fc/mw.c b/src/main/fc/mw.c
index 01e6702edd..a9ccde12a8 100644
--- a/src/main/fc/mw.c
+++ b/src/main/fc/mw.c
@@ -67,6 +67,7 @@
 #include "flight/pid.h"
 #include "flight/failsafe.h"
 #include "flight/gtune.h"
+#include "flight/altitudehold.h"
 
 #include "fc/runtime_config.h"
 #include "config/config.h"