diff --git a/html/includes/graphs/application/ntp-client_freq.inc.php b/html/includes/graphs/application/ntp-client_freq.inc.php
index 9b4c27dbc3..8612f8d2a3 100644
--- a/html/includes/graphs/application/ntp-client_freq.inc.php
+++ b/html/includes/graphs/application/ntp-client_freq.inc.php
@@ -2,7 +2,6 @@
 
 require 'includes/graphs/common.inc.php';
 
-$scale_min       = 0;
 $ds              = 'frequency';
 $colour_area     = $config['graph_colours']['pinks'][0].'33';
 $colour_line     = $config['graph_colours']['pinks'][0];
diff --git a/html/includes/graphs/application/ntp-server_freq.inc.php b/html/includes/graphs/application/ntp-server_freq.inc.php
index 16aad6ca89..2120603c37 100644
--- a/html/includes/graphs/application/ntp-server_freq.inc.php
+++ b/html/includes/graphs/application/ntp-server_freq.inc.php
@@ -2,7 +2,6 @@
 
 require 'includes/graphs/common.inc.php';
 
-$scale_min       = 0;
 $ds              = 'frequency';
 $colour_area     = $config['graph_colours']['pinks'][0].'33';
 $colour_line     = $config['graph_colours']['pinks'][0];