diff --git a/src/Entity/Attachments/AttachmentType.php b/src/Entity/Attachments/AttachmentType.php
index e0c530f1..240c8ef8 100644
--- a/src/Entity/Attachments/AttachmentType.php
+++ b/src/Entity/Attachments/AttachmentType.php
@@ -86,9 +86,6 @@ use Symfony\Component\Validator\Constraints as Assert;
 #[ApiFilter(OrderFilter::class, properties: ['name', 'id', 'addedDate', 'lastModified'])]
 class AttachmentType extends AbstractStructuralDBElement
 {
-    /**
-     * @var Collection<int, \App\Entity\Attachments\AttachmentType>
-     */
     #[ORM\OneToMany(mappedBy: 'parent', targetEntity: AttachmentType::class, cascade: ['persist'])]
     #[ORM\OrderBy(['name' => Criteria::ASC])]
     protected Collection $children;
diff --git a/src/Entity/LogSystem/AbstractLogEntry.php b/src/Entity/LogSystem/AbstractLogEntry.php
index 6b6eb7f3..ba1a4b23 100644
--- a/src/Entity/LogSystem/AbstractLogEntry.php
+++ b/src/Entity/LogSystem/AbstractLogEntry.php
@@ -59,7 +59,7 @@ abstract class AbstractLogEntry extends AbstractDBElement
      * @var \DateTimeInterface The datetime the event associated with this log entry has occured
      */
     #[ORM\Column(name: 'datetime', type: Types::DATETIME_MUTABLE)]
-    protected \DateTime $timestamp;
+    protected \DateTimeInterface $timestamp;
 
     /**
      * @var LogLevel The priority level of the associated level. 0 is highest, 7 lowest
diff --git a/src/Entity/Parts/PartLot.php b/src/Entity/Parts/PartLot.php
index fdd39ba7..25b40d5a 100644
--- a/src/Entity/Parts/PartLot.php
+++ b/src/Entity/Parts/PartLot.php
@@ -105,7 +105,7 @@ class PartLot extends AbstractDBElement implements TimeStampableInterface, Named
     protected string $comment = '';
 
     /**
-     * @var \DateTimeInterface|null Set a time until when the lot must be used.
+     * @var \DateTime|null Set a time until when the lot must be used.
      *                Set to null, if the lot can be used indefinitely.
      */
     #[Groups(['extended', 'full', 'import', 'part_lot:read', 'part_lot:write'])]
diff --git a/src/Entity/UserSystem/User.php b/src/Entity/UserSystem/User.php
index 7b81afe5..38211873 100644
--- a/src/Entity/UserSystem/User.php
+++ b/src/Entity/UserSystem/User.php
@@ -318,7 +318,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
     protected ?PermissionData $permissions = null;
 
     /**
-     * @var \DateTimeInterface|null the time until the password reset token is valid
+     * @var \DateTime|null the time until the password reset token is valid
      */
     #[ORM\Column(type: Types::DATETIME_MUTABLE, nullable: true)]
     protected ?\DateTime $pw_reset_expires = null;