--- zzzz-none-000/linux-3.10.107/fs/udf/udftime.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/udf/udftime.c	2021-02-04 17:41:59.000000000 +0000
@@ -81,8 +81,6 @@
 /*2038*/ SPY(68, 17, 0)
 };
 
-extern struct timezone sys_tz;
-
 #define SECS_PER_HOUR	(60 * 60)
 #define SECS_PER_DAY	(SECS_PER_HOUR * 24)