diff --git a/src/main/dummy/SDL_dummy_main.c b/src/main/dummy/SDL_dummy_main.c
index 0174136b22..b78d8db140 100644
--- a/src/main/dummy/SDL_dummy_main.c
+++ b/src/main/dummy/SDL_dummy_main.c
@@ -15,9 +15,6 @@ main(int argc, char *argv[])
 }
 #else
 /* Nothing to do on this platform */
-int
-SDL_main_stub_symbol(void);
-
 int
 SDL_main_stub_symbol(void)
 {