diff --git a/sub-view/gpio b/sub-view/gpio
index 0f42f8a..e20db1b 100755
--- a/sub-view/gpio
+++ b/sub-view/gpio
@@ -16,7 +16,6 @@ test ! -f $ROOT/.lock && echo "Daemon not started" && exit 1;
 #--------------------------------------------------------#
 # (1) Initialise vars #
 LED="0"; Rx=(0 0 0); # led; relays
-SYSTD_TREE="";       # service_log
 
 # (2) Get BUF_IN #
 source $ROOT/com/config_ioemu;