diff --git a/src/Volo.Abp.Identity/Volo/Abp/Identity/UserStore.cs b/src/Volo.Abp.Identity/Volo/Abp/Identity/UserStore.cs
index 1195301981..904637e1f6 100644
--- a/src/Volo.Abp.Identity/Volo/Abp/Identity/UserStore.cs
+++ b/src/Volo.Abp.Identity/Volo/Abp/Identity/UserStore.cs
@@ -55,7 +55,7 @@ namespace Volo.Abp.Identity
             IIdentityRoleRepository roleRepository,
             IGuidGenerator guidGenerator,
             ILogger<RoleStore> logger,
-            IdentityErrorDescriber describer = null) //TODO: describer? TODO: Test if DI supports optional injection
+            IdentityErrorDescriber describer = null)
         {
             _unitOfWorkManager = unitOfWorkManager;
             _userRepository = userRepository;