diff --git a/Newsbot.Collector.Domain/Interfaces/IAuthorTable.cs b/Newsbot.Collector.Domain/Interfaces/IAuthorTable.cs
index 6c777a2..5071a54 100644
--- a/Newsbot.Collector.Domain/Interfaces/IAuthorTable.cs
+++ b/Newsbot.Collector.Domain/Interfaces/IAuthorTable.cs
@@ -4,8 +4,11 @@ namespace Newsbot.Collector.Domain.Interfaces;
 
 public interface IAuthorTable
 {
-    AuthorEntity New(AuthorEntity entity);
-    List<AuthorEntity> ListBySourceId(Guid sourceId);
-    int TotalPosts(Guid id);
-    AuthorEntity? GetBySourceIdAndName(Guid sourceId, string name);
+    Task<AuthorEntity> NewAsync(AuthorEntity entity);
+
+    Task<AuthorEntity> CreateIfMissingAsync(AuthorEntity entity);
+    Task<List<AuthorEntity>> ListBySourceIdAsync(Guid sourceId);
+    Task<int> TotalPostsAsync(Guid id);
+    Task<AuthorEntity?> GetBySourceIdAndNameAsync(Guid sourceId, string name);
+    Task<AuthorEntity?> GetById(Guid id);
 }
\ No newline at end of file
diff --git a/Newsbot.Collector.Domain/Interfaces/ICollector.cs b/Newsbot.Collector.Domain/Interfaces/ICollector.cs
deleted file mode 100644
index ac2b55b..0000000
--- a/Newsbot.Collector.Domain/Interfaces/ICollector.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-using Newsbot.Collector.Domain.Models;
-
-namespace Newsbot.Collector.Domain.Interfaces;
-
-///
-public interface ICollector : IHangfireJob
-{
-    List<ArticlesModel> Collect();
-}
\ No newline at end of file