diff --git a/libraries/AP_PeriodicProcess/AP_PeriodicProcessStub.cpp b/libraries/AP_PeriodicProcess/AP_PeriodicProcessStub.cpp
index 0e57d49a7a..f542c85a7a 100644
--- a/libraries/AP_PeriodicProcess/AP_PeriodicProcessStub.cpp
+++ b/libraries/AP_PeriodicProcess/AP_PeriodicProcessStub.cpp
@@ -1,9 +1,16 @@
 
 #include "AP_PeriodicProcessStub.h"
-AP_PeriodicProcessStub::AP_PeriodicProcessStub(uint8_t period) {}
-void AP_PeriodicProcessStub::init( Arduino_Mega_ISR_Registry * isr_reg ){}
-void AP_PeriodicProcessStub::register_process(ap_procedure proc) {}
-void AP_PeriodicProcessStub::set_failsafe(ap_procedure proc) {}
-void AP_PeriodicProcessStub::suspend_timer(void) {}
-void AP_PeriodicProcessStub::resume_timer(void) {}
-void AP_PeriodicProcessStub::run(void) {}
+AP_PeriodicProcessStub::AP_PeriodicProcessStub(uint8_t period) {
+}
+void AP_PeriodicProcessStub::init( Arduino_Mega_ISR_Registry * isr_reg ){
+}
+void AP_PeriodicProcessStub::register_process(ap_procedure proc) {
+}
+void AP_PeriodicProcessStub::set_failsafe(ap_procedure proc) {
+}
+void AP_PeriodicProcessStub::suspend_timer(void) {
+}
+void AP_PeriodicProcessStub::resume_timer(void) {
+}
+void AP_PeriodicProcessStub::run(void) {
+}