=== modified file 'driver-ti.c'
--- driver-ti.c	2019-02-14 20:41:03 +0000
+++ driver-ti.c	2019-01-02 18:40:34 +0000
@@ -293,8 +293,6 @@
 
   ti->tk = tk;
   ti->root = NULL;
-  ti->start_string = NULL;
-  ti->stop_string = NULL;
 
 #ifdef HAVE_UNIBILIUM
   ti->unibi = unibi_from_term(term);