diff --git a/src/main/java/io/digitalstate/stix/bundle/BundleableObject.java b/src/main/java/io/digitalstate/stix/bundle/BundleableObject.java
index 12ec141..00eabd8 100644
--- a/src/main/java/io/digitalstate/stix/bundle/BundleableObject.java
+++ b/src/main/java/io/digitalstate/stix/bundle/BundleableObject.java
@@ -2,7 +2,6 @@
 
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import io.digitalstate.stix.common.Stix;
-import io.digitalstate.stix.custom.objects.CustomObject;
 import io.digitalstate.stix.datamarkings.GranularMarkingDm;
 import io.digitalstate.stix.datamarkings.MarkingDefinitionDm;
 
@@ -14,7 +13,7 @@
  * Thus the name "BundleableObject".  A Bundleable Object by STIX standard is: SDO, SRO, and Marking Definition.
  * The Type field is used to determine the sub-types as registered in the {@link io.digitalstate.stix.json.StixParsers}
  */
-@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type", include = JsonTypeInfo.As.EXISTING_PROPERTY, visible = true, defaultImpl = CustomObject.class)
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type", include = JsonTypeInfo.As.EXISTING_PROPERTY)
 public interface BundleableObject extends Serializable, Stix {
 
     String getType();