diff --git a/src/main/kotlin/de/fraunhofer/iem/dataprovider/kpi/entity/KPIEntity.kt b/src/main/kotlin/de/fraunhofer/iem/dataprovider/kpi/entity/KPIEntity.kt
index ae4b91ca9f4f1672de16f84f3be00037fc0be95f..602633ca271bb85f37239b1da9b0c376f9c01dd7 100644
--- a/src/main/kotlin/de/fraunhofer/iem/dataprovider/kpi/entity/KPIEntity.kt
+++ b/src/main/kotlin/de/fraunhofer/iem/dataprovider/kpi/entity/KPIEntity.kt
@@ -40,17 +40,6 @@ class KPIEntity {
     @Column(name = "timestamp")
     var timestamp: Timestamp? = null
 
-    fun addHierarchyEdges(kpiHierarchyEdgeEntities: Collection<KPIHierarchyEdgeEntitiy>) {
-        kpiHierarchyEdgeEntities.forEach {
-            this.addHierarchyEdge(it)
-        }
-    }
-
-    fun addHierarchyEdge(hierarchyEdge: KPIHierarchyEdgeEntitiy) {
-        hierarchyEdge.from = this
-        this.hierarchyEdges.add(hierarchyEdge)
-    }
-
     fun toResultDto(): KPIResponseDto {
         val childrenList = mutableListOf<KPIChildResponseDto>()
         for (edge in this.hierarchyEdges) {