diff --git a/protocol/serial_mouse.h b/protocol/serial_mouse.h
index c3c19d7696b..2ccd3d900c5 100644
--- a/protocol/serial_mouse.h
+++ b/protocol/serial_mouse.h
@@ -20,7 +20,14 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <stdint.h>
 
-uint8_t serial_mouse_init(void);
+#include "serial.h"
+
+static inline uint8_t serial_mouse_init(void)
+{
+    serial_init();
+    return 0;
+}
+
 void serial_mouse_task(void);
 
 #endif
diff --git a/protocol/serial_mouse_microsoft.c b/protocol/serial_mouse_microsoft.c
index 6b3f80648bc..f83036a3175 100644
--- a/protocol/serial_mouse_microsoft.c
+++ b/protocol/serial_mouse_microsoft.c
@@ -29,12 +29,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 static void print_usb_data(const report_mouse_t *report);
 
-uint8_t serial_mouse_init(void)
-{
-    serial_init();
-    return 0;
-}
-
 void serial_mouse_task(void)
 {
     /* 3 byte ring buffer */
diff --git a/protocol/serial_mouse_mousesystems.c b/protocol/serial_mouse_mousesystems.c
index 68b2b5b3593..36c67386f7e 100644
--- a/protocol/serial_mouse_mousesystems.c
+++ b/protocol/serial_mouse_mousesystems.c
@@ -31,12 +31,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 static void print_usb_data(const report_mouse_t *report);
 
-uint8_t serial_mouse_init(void)
-{
-    serial_init();
-    return 0;
-}
-
 void serial_mouse_task(void)
 {
     /* 5 byte ring buffer */