diff -ur linuxtv-dvb-apps-1.1.1.20140321.orig/util/alevt/vbi.c linuxtv-dvb-apps-1.1.1.20140321/util/alevt/vbi.c
--- linuxtv-dvb-apps-1.1.1.20140321.orig/util/alevt/vbi.c	2014-03-21 20:26:36.000000000 +0100
+++ linuxtv-dvb-apps-1.1.1.20140321/util/alevt/vbi.c	2020-05-16 19:42:20.604572739 +0200
@@ -35,7 +35,6 @@
 
 static u8 *rawbuf; // one common buffer for raw vbi data
 static int rawbuf_size; // its current size
-u_int16_t sid;
 static char *vbi_names[]
 	= { "/dev/vbi", "/dev/vbi0", "/dev/video0", "/dev/dvb/adapter0/demux0",
 	NULL }; // default device names if none was given at the command line