diff --git a/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/TenantInfo.cs b/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/TenantInfo.cs
index 290a8fa2a5..53ba8529e1 100644
--- a/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/TenantInfo.cs
+++ b/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/TenantInfo.cs
@@ -7,8 +7,6 @@ namespace Volo.Abp.MultiTenancy
         [NotNull]
         public string Id { get; }
 
-        //TODO: Needed for serialization
-        [UsedImplicitly]
         private TenantInfo()
         {
             
diff --git a/src/Volo.Abp/Volo/Abp/AbpException.cs b/src/Volo.Abp/Volo/Abp/AbpException.cs
index bf1c35456d..10418a4088 100644
--- a/src/Volo.Abp/Volo/Abp/AbpException.cs
+++ b/src/Volo.Abp/Volo/Abp/AbpException.cs
@@ -2,8 +2,6 @@
 
 namespace Volo.Abp
 {
-    //TODO: Make Exceptions [Serializable] when it's available in .Net Standard 2.0.
-
     /// <summary>
     /// Base exception type for those are thrown by Abp system for Abp specific exceptions.
     /// </summary>
diff --git a/src/Volo.Abp/Volo/Abp/Uow/UnitOfWorkManager.cs b/src/Volo.Abp/Volo/Abp/Uow/UnitOfWorkManager.cs
index 18894879e8..23677b5a30 100644
--- a/src/Volo.Abp/Volo/Abp/Uow/UnitOfWorkManager.cs
+++ b/src/Volo.Abp/Volo/Abp/Uow/UnitOfWorkManager.cs
@@ -6,10 +6,7 @@ namespace Volo.Abp.Uow
 {
     public class UnitOfWorkManager : IUnitOfWorkManager, ISingletonDependency
     {
-        //TODO: Skipped many feature of Abp 1.x
-        //TODO: Inner, real unit of works (RequiresNew option)!
-
-        public IUnitOfWork Current => _ambientUnitOfWork.UnitOfWork; //TODO: Remove Current!
+        public IUnitOfWork Current => _ambientUnitOfWork.UnitOfWork;
 
         private readonly IServiceProvider _serviceProvider;
         private readonly IAmbientUnitOfWork _ambientUnitOfWork;