diff --git a/app/Models/OAuth2/UserConsent.php b/app/Models/OAuth2/UserConsent.php
index 27dbfb31..9aa636b2 100644
--- a/app/Models/OAuth2/UserConsent.php
+++ b/app/Models/OAuth2/UserConsent.php
@@ -31,14 +31,14 @@ class UserConsent extends BaseEntity implements IUserConsent {
     private $scopes;
 
     /**
-     * @ORM\ManyToOne(targetEntity="Auth\User", cascade={"persist"}, inversedBy="consents")
+     * @ORM\ManyToOne(targetEntity="Auth\User", inversedBy="consents")
      * @ORM\JoinColumn(name="user_id", referencedColumnName="id")
      * @var User
      */
     private $owner;
 
     /**
-     * @ORM\ManyToOne(targetEntity="Models\OAuth2\Client", cascade={"persist"})
+     * @ORM\ManyToOne(targetEntity="Models\OAuth2\Client")
      * @ORM\JoinColumn(name="client_id", referencedColumnName="id")
      * @var Client
      */
diff --git a/app/Models/UserAction.php b/app/Models/UserAction.php
index a6a59464..a6a8934e 100644
--- a/app/Models/UserAction.php
+++ b/app/Models/UserAction.php
@@ -42,7 +42,7 @@ class UserAction extends BaseEntity
     private $user_action;
 
     /**
-     * @ORM\ManyToOne(targetEntity="Auth\User", cascade={"persist"}, inversedBy="actions")
+     * @ORM\ManyToOne(targetEntity="Auth\User", inversedBy="actions")
      * @ORM\JoinColumn(name="user_id", referencedColumnName="id")
      * @var User
      */
diff --git a/app/Models/UserExceptionTrail.php b/app/Models/UserExceptionTrail.php
index b67168a4..3c908c60 100644
--- a/app/Models/UserExceptionTrail.php
+++ b/app/Models/UserExceptionTrail.php
@@ -40,7 +40,7 @@ class UserExceptionTrail extends BaseEntity {
      */
     private $stack_trace;
     /**
-     * @ORM\ManyToOne(targetEntity="Auth\User", cascade={"persist"}, inversedBy="consents")
+     * @ORM\ManyToOne(targetEntity="Auth\User")
      * @ORM\JoinColumn(name="user_id", referencedColumnName="id")
      * @var User
      */
@@ -95,9 +95,9 @@ class UserExceptionTrail extends BaseEntity {
     }
 
     /**
-     * @return User
+     * @return User|null
      */
-    public function getUser(): User
+    public function getUser(): ?User
     {
         return $this->user;
     }