diff -Nurd xfce4-netload-plugin-1.3.1/panel-plugin/os.h xfce4-netload-plugin-1.3.1.new/panel-plugin/os.h
--- xfce4-netload-plugin-1.3.1/panel-plugin/os.h	2014-10-26 10:26:36.000000000 -0500
+++ xfce4-netload-plugin-1.3.1.new/panel-plugin/os.h	2018-09-08 18:22:36.103957974 -0500
@@ -170,7 +170,6 @@
 #elif __linux__             /* L I N U X */
 #  include <stdio.h>
 #  include <sys/param.h>
-#  include <sys/sysctl.h>
 #  include <stdlib.h>
 #  include <stdarg.h>
 #  include <unistd.h>