diff --git a/module/bug/model.php b/module/bug/model.php
index 28cefef577..b11f1f654f 100644
--- a/module/bug/model.php
+++ b/module/bug/model.php
@@ -435,7 +435,6 @@ class bugModel extends model
             dao::$errors[] = $this->lang->error->hasEdited;
             return false;
         }
-        unset($_POST['lastEditedDate']);
 
         $now = helper::now();
         $bug = fixer::input('post')
diff --git a/module/story/model.php b/module/story/model.php
index 0087518777..c84415fd91 100644
--- a/module/story/model.php
+++ b/module/story/model.php
@@ -347,7 +347,6 @@ class storyModel extends model
             dao::$errors[] = $this->lang->error->hasEdited;
             return false;
         }
-        unset($_POST['lastEditedDate']);
 
         $story = fixer::input('post')->stripTags($this->config->story->editor->change['id'], $this->config->allowedTags)->get();
         if($story->spec != $oldStory->spec or $story->verify != $oldStory->verify or $story->title != $oldStory->title or $this->loadModel('file')->getCount()) $specChanged = true;
@@ -411,7 +410,6 @@ class storyModel extends model
             dao::$errors[] = $this->lang->error->hasEdited;
             return false;
         }
-        unset($_POST['lastEditedDate']);
 
         $story = fixer::input('post')
             ->cleanInt('product,module,pri')
diff --git a/module/task/model.php b/module/task/model.php
index 8fe95da4c9..cb3bef6aa3 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -192,7 +192,6 @@ class taskModel extends model
             dao::$errors[] = $this->lang->error->hasEdited;
             return false;
         }
-        unset($_POST['lastEditedDate']);
 
         $now     = helper::now();
         $task    = fixer::input('post')
diff --git a/module/testcase/model.php b/module/testcase/model.php
index b42c039318..eef679779d 100644
--- a/module/testcase/model.php
+++ b/module/testcase/model.php
@@ -363,7 +363,6 @@ class testcaseModel extends model
             dao::$errors[] = $this->lang->error->hasEdited;
             return false;
         }
-        unset($_POST['lastEditedDate']);
 
         $now         = helper::now();
         $stepChanged = false;