diff --git a/modules/flowable-task-service/src/main/java/org/flowable/task/service/impl/persistence/entity/TaskEntityImpl.java b/modules/flowable-task-service/src/main/java/org/flowable/task/service/impl/persistence/entity/TaskEntityImpl.java
index 1b66458905d..ecdbf4b4818 100644
--- a/modules/flowable-task-service/src/main/java/org/flowable/task/service/impl/persistence/entity/TaskEntityImpl.java
+++ b/modules/flowable-task-service/src/main/java/org/flowable/task/service/impl/persistence/entity/TaskEntityImpl.java
@@ -395,13 +395,27 @@ public void deleteCandidateGroup(String groupId) {
     @Override
     public void deleteUserIdentityLink(String userId, String identityLinkType) {
         IdentityLinkEntityManager identityLinkEntityManager = getIdentityLinkServiceConfiguration().getIdentityLinkEntityManager();
-        identityLinkEntityManager.deleteTaskIdentityLink(this.id, getIdentityLinks(), userId, null, identityLinkType);
+        List<IdentityLinkEntity> identityLinkEntities = identityLinkEntityManager.deleteTaskIdentityLink(this.id,
+                getIdentityLinks(), userId, null, identityLinkType);
+        InternalTaskAssignmentManager taskAssignmentManager = getTaskAssignmentManager();
+        if (taskAssignmentManager != null) {
+            for (IdentityLinkEntity identityLink : identityLinkEntities) {
+                taskAssignmentManager.deleteUserIdentityLink(this, identityLink);
+            }
+        }
     }
     
     @Override
     public void deleteGroupIdentityLink(String groupId, String identityLinkType) {
         IdentityLinkEntityManager identityLinkEntityManager = getIdentityLinkServiceConfiguration().getIdentityLinkEntityManager();
-        identityLinkEntityManager.deleteTaskIdentityLink(this.id, getIdentityLinks(), null, groupId,identityLinkType);
+        List<IdentityLinkEntity> identityLinkEntities = identityLinkEntityManager.deleteTaskIdentityLink(this.id,
+                getIdentityLinks(), null, groupId, identityLinkType);
+        InternalTaskAssignmentManager taskAssignmentManager = getTaskAssignmentManager();
+        if (taskAssignmentManager != null) {
+            for (IdentityLinkEntity identityLink : identityLinkEntities) {
+                taskAssignmentManager.deleteGroupIdentityLink(this, identityLink);
+            }
+        }
     }
 
     @Override