1 files changed, 0 insertions, 1 deletions
diff --git a/unix/main.c b/unix/main.c
index 192a0e6e8b..716c7b1142 100644
--- a/unix/main.c
+++ b/unix/main.c
@@ -29,7 +29,6 @@
 // Stack top at the start of program
 void *stack_top;
 
-extern const mp_obj_fun_native_t mp_builtin_open_obj;
 void file_init();
 void microsocket_init();
 void time_init();