diff --git a/xml-parser-api/src/main/kotlin/com/valb3r/bpmn/intellij/plugin/bpmn/api/BpmnProcessObject.kt b/xml-parser-api/src/main/kotlin/com/valb3r/bpmn/intellij/plugin/bpmn/api/BpmnProcessObject.kt
index 37f8256c0..b2a1fcbbc 100644
--- a/xml-parser-api/src/main/kotlin/com/valb3r/bpmn/intellij/plugin/bpmn/api/BpmnProcessObject.kt
+++ b/xml-parser-api/src/main/kotlin/com/valb3r/bpmn/intellij/plugin/bpmn/api/BpmnProcessObject.kt
@@ -172,9 +172,7 @@ data class BpmnProcessObjectView(
         val diagram: List<DiagramElement>
 )
 
-class PropertyTable(props: MutableMap<PropertyType, MutableList<Property>>) {
-
-    private val properties: MutableMap<PropertyType, MutableList<Property>> = props.mapValues { it.value.toMutableList() }.toMutableMap()
+data class PropertyTable(private val properties: MutableMap<PropertyType, MutableList<Property>>) {
 
     val keys get() = properties.keys