diff --git a/app/devices/app_config.php b/app/devices/app_config.php
index a47eb28a9e..9dbc81d171 100644
--- a/app/devices/app_config.php
+++ b/app/devices/app_config.php
@@ -201,6 +201,7 @@
 		$apps[$x]['db'][$y]['fields'][$z]['name']['deprecated'] = "phone_time_zone";
 		$apps[$x]['db'][$y]['fields'][$z]['type'] = "text";
 		$apps[$x]['db'][$y]['fields'][$z]['description']['en-us'] = "";
+		$apps[$x]['db'][$y]['fields'][$z]['deprecated'] = "true";
 		$z++;
 		$apps[$x]['db'][$y]['fields'][$z]['name']['text'] = "device_description";
 		$apps[$x]['db'][$y]['fields'][$z]['name']['deprecated'] = "phone_description";
diff --git a/app/devices/app_languages.php b/app/devices/app_languages.php
index 1e67639319..2660946a8d 100644
--- a/app/devices/app_languages.php
+++ b/app/devices/app_languages.php
@@ -216,17 +216,6 @@
 		$text['description-password']['pt-pt'] = "Introduza a password.";
 		$text['description-password']['fr-fr'] = "Entrez le mot de passe.";
 
-
-		$text['label-device_time_zone']['en-us'] = "Time Zone";
-		$text['label-device_time_zone']['es-cl'] = "Zona Horaria";
-		$text['label-device_time_zone']['pt-pt'] = "Time Zone";
-		$text['label-device_time_zone']['fr-fr'] = "Fuseau Horaire";
-
-		$text['description-device_time_zone']['en-us'] = "Enter the time zone.";
-		$text['description-device_time_zone']['es-cl'] = "Ingrese una zona horaria.";
-		$text['description-device_time_zone']['pt-pt'] = "Introduza o time zone.";
-		$text['description-device_time_zone']['fr-fr'] = "Entrez le fuseau horaire.";
-
 		$text['label-device_description']['en-us'] = "Description";
 		$text['label-device_description']['es-cl'] = "Descripción";
 		$text['label-device_description']['pt-pt'] = "Descrição";
diff --git a/app/devices/device_edit.php b/app/devices/device_edit.php
index e36b7a893f..c5d5e34f31 100644
--- a/app/devices/device_edit.php
+++ b/app/devices/device_edit.php
@@ -66,7 +66,6 @@ require_once "resources/require.php";
 			$device_firmware_version = check_str($_POST["device_firmware_version"]);
 			$device_provision_enable = check_str($_POST["device_provision_enable"]);
 			$device_template = check_str($_POST["device_template"]);
-			$device_time_zone = check_str($_POST["device_time_zone"]);
 			$device_description = check_str($_POST["device_description"]);
 		//lines
 			$line_number = check_str($_POST["line_number"]);
@@ -112,7 +111,6 @@ require_once "resources/require.php";
 			//if (strlen($device_template) == 0) { $msg .= "Please provide: Template<br>\n"; }
 			//if (strlen($device_username) == 0) { $msg .= "Please provide: Username<br>\n"; }
 			//if (strlen($device_password) == 0) { $msg .= "Please provide: Password<br>\n"; }
-			//if (strlen($device_time_zone) == 0) { $msg .= "Please provide: Time Zone<br>\n"; }
 			//if (strlen($device_description) == 0) { $msg .= "Please provide: Description<br>\n"; }
 			if (strlen($msg) > 0) {
 				require_once "resources/header.php";
@@ -264,7 +262,6 @@ require_once "resources/require.php";
 			$device_firmware_version = $row["device_firmware_version"];
 			$device_provision_enable = $row["device_provision_enable"];
 			$device_template = $row["device_template"];
-			$device_time_zone = $row["device_time_zone"];
 			$device_description = $row["device_description"];
 		}
 		unset ($prep_statement);
@@ -959,17 +956,6 @@ require_once "resources/require.php";
 	echo "</td>\n";
 	echo "</tr>\n";
 
-	echo "<tr>\n";
-	echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
-	echo "	".$text['label-device_time_zone'].":\n";
-	echo "</td>\n";
-	echo "<td class='vtable' align='left'>\n";
-	echo "	<input class='formfld' type='text' name='device_time_zone' maxlength='255' value=\"$device_time_zone\">\n";
-	echo "<br />\n";
-	echo $text['description-device_time_zone']."\n";
-	echo "</td>\n";
-	echo "</tr>\n";
-
 	echo "<tr>\n";
 	echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
 	echo "	".$text['label-device_description'].":\n";