diff --git a/pgm.c b/pgm.c
index 88a6ac3d..378114fe 100644
--- a/pgm.c
+++ b/pgm.c
@@ -141,7 +141,6 @@ PROGRAMMER * pgm_new(void)
 void pgm_free(PROGRAMMER * const p)
 {
   ldestroy_cb(p->id, free);
-  ldestroy_cb(p->usbpid, free);
   p->id = NULL;
   /* this is done by pgm_teardown, but usually cookie is not set to NULL */
   /* if (p->cookie !=NULL) {