diff --git a/src/modules/mavlink/mavlink_main.cpp b/src/modules/mavlink/mavlink_main.cpp
index b065b38e05..5ca2c091e4 100644
--- a/src/modules/mavlink/mavlink_main.cpp
+++ b/src/modules/mavlink/mavlink_main.cpp
@@ -487,18 +487,6 @@ Mavlink::forward_message(const mavlink_message_t *msg, Mavlink *self)
 	}
 }
 
-int
-Mavlink::get_uart_fd(unsigned index)
-{
-	Mavlink *inst = get_instance(index);
-
-	if (inst) {
-		return inst->get_uart_fd();
-	}
-
-	return -1;
-}
-
 int
 Mavlink::mavlink_open_uart(const int baud, const char *uart_name, const bool force_flow_control)
 {
diff --git a/src/modules/mavlink/mavlink_main.h b/src/modules/mavlink/mavlink_main.h
index b29c901748..4fad5312a8 100644
--- a/src/modules/mavlink/mavlink_main.h
+++ b/src/modules/mavlink/mavlink_main.h
@@ -164,8 +164,6 @@ public:
 
 	static void		forward_message(const mavlink_message_t *msg, Mavlink *self);
 
-	static int		get_uart_fd(unsigned index);
-
 	int			get_uart_fd() const { return _uart_fd; }
 
 	/**