diff --git a/modules/identity/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/OrganizationUnitManager.cs b/modules/identity/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/OrganizationUnitManager.cs
index de80228503..c4a8733787 100644
--- a/modules/identity/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/OrganizationUnitManager.cs
+++ b/modules/identity/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/OrganizationUnitManager.cs
@@ -84,6 +84,7 @@ public class OrganizationUnitManager : DomainService
 
         foreach (var child in children)
         {
+            await RemoveDynamicClaimCacheAsync(child);
             await OrganizationUnitRepository.RemoveAllMembersAsync(child);
             await OrganizationUnitRepository.RemoveAllRolesAsync(child);
             await OrganizationUnitRepository.DeleteAsync(child);