diff --git a/databox/api/src/Api/Provider/FieldTypeProvider.php b/databox/api/src/Api/Provider/FieldTypeProvider.php
index 2e5e176be..b0ae5e8f3 100644
--- a/databox/api/src/Api/Provider/FieldTypeProvider.php
+++ b/databox/api/src/Api/Provider/FieldTypeProvider.php
@@ -30,7 +30,7 @@ protected function provideCollection(
             $t->setName($name);
 
             return $t;
-        }, $this->attributeTypeRegistry->getTypes());
+        }, array_filter($this->attributeTypeRegistry->getTypes(), fn (AttributeTypeInterface $type): bool => $type->isListed()));
 
         usort($results, fn (FieldType $a, FieldType $b): int => $a->getTitle() <=> $b->getTitle());
 
diff --git a/databox/api/src/Attribute/Type/AbstractAttributeType.php b/databox/api/src/Attribute/Type/AbstractAttributeType.php
index bf4865e39..237ed17fb 100644
--- a/databox/api/src/Attribute/Type/AbstractAttributeType.php
+++ b/databox/api/src/Attribute/Type/AbstractAttributeType.php
@@ -114,4 +114,9 @@ public function supportsElasticSearchFuzziness(): bool
     {
         return false;
     }
+
+    public function isListed(): bool
+    {
+        return true;
+    }
 }
diff --git a/databox/api/src/Attribute/Type/AttributeTypeInterface.php b/databox/api/src/Attribute/Type/AttributeTypeInterface.php
index b10f1f2ba..3062c001b 100644
--- a/databox/api/src/Attribute/Type/AttributeTypeInterface.php
+++ b/databox/api/src/Attribute/Type/AttributeTypeInterface.php
@@ -70,4 +70,6 @@ public function validate($value, ExecutionContextInterface $context): void;
     public function getAggregationField(): ?string;
 
     public function normalizeBucket(array $bucket): ?array;
+
+    public function isListed(): bool;
 }
diff --git a/databox/api/src/Attribute/Type/CollectionPathAttributeType.php b/databox/api/src/Attribute/Type/CollectionPathAttributeType.php
index 1dae47a5f..cb79a46b4 100644
--- a/databox/api/src/Attribute/Type/CollectionPathAttributeType.php
+++ b/databox/api/src/Attribute/Type/CollectionPathAttributeType.php
@@ -79,4 +79,9 @@ public function supportsAggregation(): bool
     {
         return true;
     }
+
+    public function isListed(): bool
+    {
+        return false;
+    }
 }
diff --git a/lib/php/es-bundle/Indexer/DependencyStack.php b/lib/php/es-bundle/Indexer/DependencyStack.php
index 1cf91eab6..20e2a24f0 100644
--- a/lib/php/es-bundle/Indexer/DependencyStack.php
+++ b/lib/php/es-bundle/Indexer/DependencyStack.php
@@ -25,7 +25,7 @@ public function __construct(
         private readonly array $currentBatch,
         array $previousParents
     ) {
-        $this->parents = array_map(fn (string $c): string => ClassUtils::getRealClass($c), $previousParents);
+        $this->parents = $previousParents;
     }
 
     public function getParents(): array
@@ -50,6 +50,7 @@ public function getObjects(): array
 
     public function addDependency(string $class, string $id, Operation $operation = Operation::Upsert): self
     {
+        $class = ClassUtils::getRealClass($class);
         if (
             (isset($this->parents[$class]) && $this->parents[$class]->has($id))
             || $this->isInBatch($class, $id)
@@ -90,6 +91,7 @@ private function isInBatch(string $class, string $id): bool
 
     public function addParent(string $class, string $id): void
     {
+        $class = ClassUtils::getRealClass($class);
         $this->parents[$class] ??= new EntityGroup();
         $this->parents[$class]->add($id);
     }