diff --git a/app/Http/routes.php b/app/Http/routes.php
index 15f0b247a144..1785c18772ca 100644
--- a/app/Http/routes.php
+++ b/app/Http/routes.php
@@ -52,7 +52,7 @@ Route::group(['middleware' => 'auth:client'], function() {
     Route::get('client/documents/js/{documents}/{filename}', 'PublicClientController@getDocumentVFSJS');
     Route::get('client/documents/{invitation_key}/{documents}/{filename?}', 'PublicClientController@getDocument');
     Route::get('client/documents/{invitation_key}/{filename?}', 'PublicClientController@getInvoiceDocumentsZip');
-    
+
     Route::get('api/client.quotes', array('as'=>'api.client.quotes', 'uses'=>'PublicClientController@quoteDatatable'));
     Route::get('api/client.invoices', array('as'=>'api.client.invoices', 'uses'=>'PublicClientController@invoiceDatatable'));
     Route::get('api/client.documents', array('as'=>'api.client.documents', 'uses'=>'PublicClientController@documentDatatable'));
@@ -112,7 +112,7 @@ Route::group(['middleware' => 'auth:user'], function() {
     Route::get('hide_message', 'HomeController@hideMessage');
     Route::get('force_inline_pdf', 'UserController@forcePDFJS');
     Route::get('account/getSearchData', array('as' => 'getSearchData', 'uses' => 'AccountController@getSearchData'));
-    
+
     Route::get('settings/user_details', 'AccountController@showUserDetails');
     Route::post('settings/user_details', 'AccountController@saveUserDetails');
     Route::post('users/change_password', 'UserController@changePassword');
@@ -145,7 +145,7 @@ Route::group(['middleware' => 'auth:user'], function() {
     Route::get('documents/js/{documents}/{filename}', 'DocumentController@getVFSJS');
     Route::get('documents/preview/{documents}/{filename?}', 'DocumentController@getPreview');
     Route::post('document', 'DocumentController@postUpload');
-    
+
     Route::get('quotes/create/{client_id?}', 'QuoteController@create');
     Route::get('quotes/{invoices}/clone', 'InvoiceController@cloneInvoice');
     Route::get('quotes/{invoices}/edit', 'InvoiceController@edit');
@@ -600,9 +600,8 @@ if (!defined('CONTACT_EMAIL')) {
     define('DEFAULT_API_PAGE_SIZE', 15);
     define('MAX_API_PAGE_SIZE', 100);
 
-    define('IOS_PRODUCTION_PUSH', env('IOS_PRODUCTION_PUSH', 'ninjaIOS'));
-    define('IOS_DEV_PUSH', env('IOS_DEV_PUSH', 'devNinjaIOS'));
-
+    define('IOS_PUSH_CERTIFICATE', env('IOS_PUSH_CERTIFICATE', ''));
+    
     define('TOKEN_BILLING_DISABLED', 1);
     define('TOKEN_BILLING_OPT_IN', 2);
     define('TOKEN_BILLING_OPT_OUT', 3);
@@ -651,7 +650,7 @@ if (!defined('CONTACT_EMAIL')) {
 
     define('RESELLER_REVENUE_SHARE', 'A');
     define('RESELLER_LIMITED_USERS', 'B');
-    
+
     // These must be lowercase
     define('PLAN_FREE', 'free');
     define('PLAN_PRO', 'pro');
@@ -659,7 +658,7 @@ if (!defined('CONTACT_EMAIL')) {
     define('PLAN_WHITE_LABEL', 'white_label');
     define('PLAN_TERM_MONTHLY', 'month');
     define('PLAN_TERM_YEARLY', 'year');
-    
+
     // Pro
     define('FEATURE_CUSTOMIZE_INVOICE_DESIGN', 'customize_invoice_design');
     define('FEATURE_REMOVE_CREATED_BY', 'remove_created_by');
@@ -674,23 +673,23 @@ if (!defined('CONTACT_EMAIL')) {
     define('FEATURE_API', 'api');
     define('FEATURE_CLIENT_PORTAL_PASSWORD', 'client_portal_password');
     define('FEATURE_CUSTOM_URL', 'custom_url');
-    
+
     define('FEATURE_MORE_CLIENTS', 'more_clients'); // No trial allowed
-    
+
     // Whitelabel
     define('FEATURE_CLIENT_PORTAL_CSS', 'client_portal_css');
     define('FEATURE_WHITE_LABEL', 'feature_white_label');
 
     // Enterprise
     define('FEATURE_DOCUMENTS', 'documents');
-    
+
     // No Trial allowed
     define('FEATURE_USERS', 'users');// Grandfathered for old Pro users
     define('FEATURE_USER_PERMISSIONS', 'user_permissions');
-    
+
     // Pro users who started paying on or before this date will be able to manage users
     define('PRO_USERS_GRANDFATHER_DEADLINE', '2016-05-15');
-    
+
     $creditCards = [
                 1 => ['card' => 'images/credit_cards/Test-Visa-Icon.png', 'text' => 'Visa'],
                 2 => ['card' => 'images/credit_cards/Test-MasterCard-Icon.png', 'text' => 'Master Card'],
@@ -746,4 +745,4 @@ if (Utils::isNinjaDev())
   //ini_set('memory_limit','1024M');
   //Auth::loginUsingId(1);
 }
-*/
\ No newline at end of file
+*/
diff --git a/app/Ninja/Notifications/PushFactory.php b/app/Ninja/Notifications/PushFactory.php
index 7f882ff1d0a0..723ff824debe 100644
--- a/app/Ninja/Notifications/PushFactory.php
+++ b/app/Ninja/Notifications/PushFactory.php
@@ -19,13 +19,12 @@ class PushFactory
      *
      * Static variables defined in routes.php
      *
-     * IOS_PRODUCTION_PUSH
-     * IOS_DEV_PUSH
+     * IOS_PUSH_CERTIFICATE
      */
 
     public function __construct()
     {
-        $this->certificate = IOS_DEV_PUSH;
+        $this->certificate = IOS_PUSH_CERTIFICATE;
     }
 
     /**
@@ -93,4 +92,4 @@ class PushFactory
         return $feedback->getFeedback();
     }
 
-}
\ No newline at end of file
+}
diff --git a/app/Services/PushService.php b/app/Services/PushService.php
index 17151f93af3f..a96042b92419 100644
--- a/app/Services/PushService.php
+++ b/app/Services/PushService.php
@@ -41,6 +41,10 @@ class PushService
 
     public function sendNotification($invoice, $type)
     {
+        if (! IOS_PUSH_CERTIFICATE) {
+            return;
+        }
+
         //check user has registered for push notifications
         if(!$this->checkDeviceExists($invoice->account))
             return;
@@ -168,4 +172,4 @@ class PushService
 
 
 
-}
\ No newline at end of file
+}