diff --git a/src/9d10_len_1080.c b/src/9d10_len_1080.c
index 7dc31d55f5..f261a408e9 100644
--- a/src/9d10_len_1080.c
+++ b/src/9d10_len_1080.c
@@ -222,7 +222,6 @@ void update_camera_mode_2(Camera* camera) {
 INCLUDE_ASM(void, "9d10_len_1080", update_camera_mode_2, Camera* camera);
 #endif
 
-void update_camera_mode_1(Camera* camera);
 INCLUDE_ASM(void, "9d10_len_1080", update_camera_mode_1, Camera* camera);
 
 void update_camera_mode_0(Camera* camera) {