diff --git a/lib/proc.c b/lib/proc.c
index e04a12d8..693c887b 100644
--- a/lib/proc.c
+++ b/lib/proc.c
@@ -47,10 +47,7 @@ static char buf[BUF_LEN];
 
 sensors_proc_chips_entry *sensors_proc_chips;
 int sensors_proc_chips_count, sensors_proc_chips_max;
-int sensors_sys_chips_count, sensors_sys_chips_max;
 
-sensors_bus *sensors_sys_bus;
-int sensors_sys_bus_count, sensors_sys_bus_max;
 sensors_bus *sensors_proc_bus;
 int sensors_proc_bus_count, sensors_proc_bus_max;