diff --git a/Classes/Domain/Model/Address.php b/Classes/Domain/Model/Address.php
index 764a35a..ed0bd4e 100644
--- a/Classes/Domain/Model/Address.php
+++ b/Classes/Domain/Model/Address.php
@@ -11,6 +11,8 @@
 
 namespace Fgtclb\AcademicPersons\Domain\Model;
 
+use Fgtclb\AcademicPersons\Domain\Model\FunctionType;
+use Fgtclb\AcademicPersons\Domain\Model\OrganisationalUnit;
 use TYPO3\CMS\Extbase\Annotation\Validate;
 use TYPO3\CMS\Extbase\Domain\Model\Category;
 use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
diff --git a/Classes/Domain/Model/Contract.php b/Classes/Domain/Model/Contract.php
index fd706ca..992a1c4 100644
--- a/Classes/Domain/Model/Contract.php
+++ b/Classes/Domain/Model/Contract.php
@@ -12,6 +12,13 @@
 namespace Fgtclb\AcademicPersons\Domain\Model;
 
 use DateTime;
+use Fgtclb\AcademicPersons\Domain\Model\Address;
+use Fgtclb\AcademicPersons\Domain\Model\Email;
+use Fgtclb\AcademicPersons\Domain\Model\FunctionType;
+use Fgtclb\AcademicPersons\Domain\Model\Location;
+use Fgtclb\AcademicPersons\Domain\Model\OrganisationalUnit;
+use Fgtclb\AcademicPersons\Domain\Model\PhoneNumber;
+use Fgtclb\AcademicPersons\Domain\Model\Profile;
 use TYPO3\CMS\Extbase\Annotation\ORM\Cascade;
 use TYPO3\CMS\Extbase\Annotation\ORM\Lazy;
 use TYPO3\CMS\Extbase\Domain\Model\Category;
diff --git a/Classes/Domain/Model/OrganisationalUnit.php b/Classes/Domain/Model/OrganisationalUnit.php
index 88cef1c..f0d0333 100644
--- a/Classes/Domain/Model/OrganisationalUnit.php
+++ b/Classes/Domain/Model/OrganisationalUnit.php
@@ -12,6 +12,7 @@
 namespace Fgtclb\AcademicPersons\Domain\Model;
 
 use DateTime;
+use Fgtclb\AcademicPersons\Domain\Model\Contract;
 use TYPO3\CMS\Extbase\Annotation\ORM\Cascade;
 use TYPO3\CMS\Extbase\Annotation\ORM\Lazy;
 use TYPO3\CMS\Extbase\Annotation\Validate;
diff --git a/Classes/Domain/Model/Profile.php b/Classes/Domain/Model/Profile.php
index 0bde6bb..ff04396 100644
--- a/Classes/Domain/Model/Profile.php
+++ b/Classes/Domain/Model/Profile.php
@@ -11,6 +11,8 @@
 
 namespace Fgtclb\AcademicPersons\Domain\Model;
 
+use Fgtclb\AcademicPersons\Domain\Model\Contract;
+use Fgtclb\AcademicPersons\Domain\Model\ProfileInformation;
 use TYPO3\CMS\Extbase\Annotation\ORM\Cascade;
 use TYPO3\CMS\Extbase\Annotation\ORM\Lazy;
 use TYPO3\CMS\Extbase\Annotation\Validate;