diff --git a/src/Volo.Abp.Ddd/Volo/Abp/Domain/Entities/Entity.cs b/src/Volo.Abp.Ddd/Volo/Abp/Domain/Entities/Entity.cs
index 685df3a8be..638ff0d3e1 100644
--- a/src/Volo.Abp.Ddd/Volo/Abp/Domain/Entities/Entity.cs
+++ b/src/Volo.Abp.Ddd/Volo/Abp/Domain/Entities/Entity.cs
@@ -36,7 +36,7 @@ namespace Volo.Abp.Domain.Entities
 
             //Transient objects are not considered as equal
             var other = (Entity<TKey>)obj;
-            if (EntityHelper.IsTransient(this) && EntityHelper.IsTransient(other))
+            if (EntityHelper.HasDefaultId(this) && EntityHelper.HasDefaultId(other))
             {
                 return false;
             }
diff --git a/src/Volo.Abp.Ddd/Volo/Abp/Domain/Entities/EntityHelper.cs b/src/Volo.Abp.Ddd/Volo/Abp/Domain/Entities/EntityHelper.cs
index 18f6f2a8e9..7f6febe354 100644
--- a/src/Volo.Abp.Ddd/Volo/Abp/Domain/Entities/EntityHelper.cs
+++ b/src/Volo.Abp.Ddd/Volo/Abp/Domain/Entities/EntityHelper.cs
@@ -16,7 +16,7 @@ namespace Volo.Abp.Domain.Entities
             return typeof(IEntity).IsAssignableFrom(type);
         }
 
-        public static bool IsTransient<TKey>(IEntity<TKey> entity) // TODO: Completely remove IsTransient
+        public static bool HasDefaultId<TKey>(IEntity<TKey> entity)
         {
             if (EqualityComparer<TKey>.Default.Equals(entity.Id, default))
             {
diff --git a/src/Volo.Abp.MemoryDb/Volo/Abp/Domain/Repositories/MemoryDb/MemoryDbRepository.cs b/src/Volo.Abp.MemoryDb/Volo/Abp/Domain/Repositories/MemoryDb/MemoryDbRepository.cs
index 1f47825067..491338acca 100644
--- a/src/Volo.Abp.MemoryDb/Volo/Abp/Domain/Repositories/MemoryDb/MemoryDbRepository.cs
+++ b/src/Volo.Abp.MemoryDb/Volo/Abp/Domain/Repositories/MemoryDb/MemoryDbRepository.cs
@@ -64,7 +64,7 @@ namespace Volo.Abp.Domain.Repositories.MemoryDb
         {
             if (typeof(TKey) == typeof(int) || typeof(TKey) == typeof(long) || typeof(TKey) == typeof(Guid))
             {
-                if (EntityHelper.IsTransient(entity))
+                if (EntityHelper.HasDefaultId(entity))
                 {
                     entity.Id = Database.GenerateNextId<TEntity, TKey>();
                 }