diff -Nuar a/global.c b/global.c
--- a/src/global.c	2020-11-09 15:08:34.291658902 +0300
+++ b/src/global.c	2020-11-09 15:09:50.426653408 +0300
@@ -184,9 +184,6 @@
 /* Extract to standard output? */
 bool to_stdout_option = false;
 
-/* The name this program was run with.  */
-char *program_name;
-
 /* Extract files over symbolic links */
 bool extract_over_symlinks;
 
