diff --git a/unix-cpy/main.c b/unix-cpy/main.c
index e3803b9b3a..058de06d52 100644
--- a/unix-cpy/main.c
+++ b/unix-cpy/main.c
@@ -58,7 +58,7 @@ void do_file(const char *file) {
             //printf("----------------\n");
 
             // compile
-            mp_obj_t module_fun = mp_compile(pn, 0, MP_EMIT_OPT_NONE, false);
+            mp_compile(pn, 0, MP_EMIT_OPT_NONE, false);
 
             //printf("----------------\n");
         }