diff --git a/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.cpp b/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.cpp
index bf286f8985..d35d12d0e2 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.cpp
+++ b/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.cpp
@@ -20,11 +20,6 @@
 
 #include "AP_RCProtocol_IBUS.h"
 
-// constructor
-AP_RCProtocol_IBUS::AP_RCProtocol_IBUS(AP_RCProtocol &_frontend) :
-    AP_RCProtocol_Backend(_frontend)
-{}
-
 // decode a full IBUS frame
 bool AP_RCProtocol_IBUS::ibus_decode(const uint8_t frame[IBUS_FRAME_SIZE], uint16_t *values, bool *ibus_failsafe)
 {
diff --git a/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.h b/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.h
index b3e7597816..179eb22e22 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.h
+++ b/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.h
@@ -30,7 +30,8 @@
 class AP_RCProtocol_IBUS : public AP_RCProtocol_Backend
 {
 public:
-    AP_RCProtocol_IBUS(AP_RCProtocol &_frontend);
+    using AP_RCProtocol_Backend::AP_RCProtocol_Backend;
+
     void process_pulse(uint32_t width_s0, uint32_t width_s1) override;
     void process_byte(uint8_t byte, uint32_t baudrate) override;
 private: