diff --git a/cheevos.c b/cheevos.c
index 509ec7fe50..9724a57a42 100644
--- a/cheevos.c
+++ b/cheevos.c
@@ -1432,7 +1432,7 @@ int cheevos_get_by_game_id( const char** json, unsigned game_id )
   return -1;
 }
 
-int cheevos_get_by_content( const char** json, const void* data, size_t size, unsigned flags )
+int cheevos_get_by_content( const char** json, const void* data, size_t size )
 {
   *json = "{}";
   return -1;