diff --git a/config/config.php b/config/config.php
index cf9b7831..6a76b13c 100755
--- a/config/config.php
+++ b/config/config.php
@@ -31,10 +31,6 @@ define('RASPI_LIGHTTPD_CONFIG', '/etc/lighttpd/lighttpd.conf');
 define('RASPI_ACCESS_CHECK_IP', '1.1.1.1');
 define('RASPI_ACCESS_CHECK_DNS', 'one.one.one.one');
 
-// Constants for the 5GHz wireless regulatory domain.
-define('RASPI_5GHZ_ISO_ALPHA2', array('NL','US'));
-define('RASPI_5GHZ_MAX_CHANNEL', 165);
-
 // Enable basic authentication for the web admin.
 define('RASPI_AUTH_ENABLED', true);
 
diff --git a/includes/defaults.php b/includes/defaults.php
index 871018c7..f8ddad07 100755
--- a/includes/defaults.php
+++ b/includes/defaults.php
@@ -36,10 +36,6 @@ $defaults = [
   'RASPI_ACCESS_CHECK_IP' => '1.1.1.1',
   'RASPI_ACCESS_CHECK_DNS' => 'one.one.one.one',
 
-  // Constants for the 5GHz wireless regulatory domain
-  'RASPI_5GHZ_ISO_ALPHA2' => array('NL','US'),
-  'RASPI_5GHZ_MAX_CHANNEL' => 165,
-
   // Optional services, set to true to enable.
   'RASPI_WIFICLIENT_ENABLED' => true,
   'RASPI_HOTSPOT_ENABLED' => true,