diff --git a/backend/src/main/java/core/entities/timemanager/Taskgroup.java b/backend/src/main/java/core/entities/timemanager/Taskgroup.java
index ffea384..5effc3f 100644
--- a/backend/src/main/java/core/entities/timemanager/Taskgroup.java
+++ b/backend/src/main/java/core/entities/timemanager/Taskgroup.java
@@ -25,7 +25,7 @@ public class Taskgroup {
     @JoinColumn(name = "taskgroupuser", nullable = false)
     private User user;
 
-    @OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, fetch = FetchType.EAGER, orphanRemoval = true)
+    @OneToMany(mappedBy = "parent", cascade = CascadeType.REMOVE, fetch = FetchType.EAGER, orphanRemoval = true)
     private Set<Taskgroup> children;
 
     @ManyToOne