diff --git a/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/IQueryProjectionMapper.cs b/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/IQueryProjectionMapper.cs
index 5fe9f955b8..98deb9e4c4 100644
--- a/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/IQueryProjectionMapper.cs
+++ b/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/IQueryProjectionMapper.cs
@@ -6,4 +6,10 @@ namespace Volo.Abp.ObjectMapping;
 public interface IQueryProjectionMapper<TSource, TDestination> : ITransientDependency
 {
     IQueryable<TDestination> ProjectTo(IQueryable<TSource> source);
-}
\ No newline at end of file
+}
+
+//[Mapper(RequiredMappingStrategy = RequiredMappingStrategy.Target)]
+//public partial class GetSectorMapper : IQueryProjectionMapper<Sector, GetSectorsDto>
+//{
+//    public partial IQueryable<GetSectorsDto> ProjectTo(IQueryable<Sector> source);
+//}
\ No newline at end of file
diff --git a/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/QueryProjectionMapper.cs b/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/QueryProjectionMapper.cs
deleted file mode 100644
index 23bfb21141..0000000000
--- a/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/QueryProjectionMapper.cs
+++ /dev/null
@@ -1,8 +0,0 @@
-using System.Linq;
-
-namespace Volo.Abp.ObjectMapping;
-
-public abstract class QueryProjectionMapper<TSource, TDestination> : IQueryProjectionMapper<TSource, TDestination>
-{
-    public abstract IQueryable<TDestination> ProjectTo(IQueryable<TSource> source);
-}
\ No newline at end of file