diff --git a/app/Controller/TaskModificationController.php b/app/Controller/TaskModificationController.php
index 50583df43..f9c63c124 100644
--- a/app/Controller/TaskModificationController.php
+++ b/app/Controller/TaskModificationController.php
@@ -2,8 +2,6 @@
 
 namespace Kanboard\Controller;
 
-use Kanboard\Core\DateParser;
-
 /**
  * Task Modification controller
  *
diff --git a/app/Controller/TaskViewController.php b/app/Controller/TaskViewController.php
index 073434b24..bd1e86aeb 100644
--- a/app/Controller/TaskViewController.php
+++ b/app/Controller/TaskViewController.php
@@ -4,7 +4,6 @@ namespace Kanboard\Controller;
 
 use Kanboard\Core\Controller\AccessForbiddenException;
 use Kanboard\Core\Controller\PageNotFoundException;
-use Kanboard\Core\DateParser;
 
 /**
  * Task Controller
diff --git a/app/Export/TransitionExport.php b/app/Export/TransitionExport.php
index 5399edd8d..35f9fe44b 100644
--- a/app/Export/TransitionExport.php
+++ b/app/Export/TransitionExport.php
@@ -3,7 +3,6 @@
 namespace Kanboard\Export;
 
 use Kanboard\Core\Base;
-use Kanboard\Core\DateParser;
 
 /**
  * Transition Export