diff --git a/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HsCloudServerHostingAssetValidatorUnitTest.java b/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HsCloudServerHostingAssetValidatorUnitTest.java
index ac9541bb..69fe01bb 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HsCloudServerHostingAssetValidatorUnitTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HsCloudServerHostingAssetValidatorUnitTest.java
@@ -68,11 +68,11 @@ class HsCloudServerHostingAssetValidatorUnitTest {
     @Test
     void validatesBookingItemType() {
         // given
-        final var mangedServerHostingAssetEntity = linkBookingItem(HsHostingAssetEntity.builder()
+        final var mangedServerHostingAssetEntity = HsHostingAssetEntity.builder()
                 .type(MANAGED_SERVER)
                 .identifier("xyz00")
-                .bookingItem(TEST_CLOUD_SERVER_BOOKING_ITEM.toBuilder().build())
-                .build());
+                .bookingItem(HsBookingItemEntity.builder().type(HsBookingItemType.CLOUD_SERVER).build())
+                .build();
         final var validator = HsHostingAssetEntityValidatorRegistry.forType(mangedServerHostingAssetEntity.getType());
 
         // when
@@ -103,9 +103,4 @@ class HsCloudServerHostingAssetValidatorUnitTest {
                 "'CLOUD_SERVER:xyz00.parentAsset' must be null but is set to D-???????-?:null",
                 "'CLOUD_SERVER:xyz00.assignedToAsset' must be null but is set to D-???????-?:null");
     }
-
-    private static HsHostingAssetEntity linkBookingItem(final HsHostingAssetEntity mangedServerHostingAssetEntity) {
-        mangedServerHostingAssetEntity.getBookingItem().setRelatedHostingAsset(mangedServerHostingAssetEntity);
-        return mangedServerHostingAssetEntity;
-    }
 }