Do not force aggregate roots to implement IGeneratesDomainEvents.

src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/AggregateRoot.cs

@@ -5,7 +5,7 @@ using System.Collections.ObjectModel;
 namespace Volo.Abp.Domain.Entities
 {
     [Serializable]
-    public abstract class AggregateRoot : Entity, IAggregateRoot
+    public abstract class AggregateRoot : Entity, IAggregateRoot, IGeneratesDomainEvents
     {
         private readonly ICollection<object> _domainEvents = new Collection<object>();
 
@@ -26,7 +26,7 @@ namespace Volo.Abp.Domain.Entities
     }
 
     [Serializable]
-    public abstract class AggregateRoot<TKey> : Entity<TKey>, IAggregateRoot<TKey>
+    public abstract class AggregateRoot<TKey> : Entity<TKey>, IAggregateRoot<TKey>, IGeneratesDomainEvents
     {
         private readonly ICollection<object> _domainEvents = new Collection<object>();
 

src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/IAggregateRoot.cs

@@ -4,7 +4,7 @@
     /// Defines an aggregate root. It's primary key may not be "Id" or it may have a composite primary key.
     /// Use <see cref="IAggregateRoot{TKey}"/> where possible for better integration to repositories and other structures in the framework.
     /// </summary>
-    public interface IAggregateRoot : IEntity, IGeneratesDomainEvents
+    public interface IAggregateRoot : IEntity
     {
 
     }