diff --git a/src2x/ShardingCore.2x/ShardingCore.2x.csproj b/src2x/ShardingCore.2x/ShardingCore.2x.csproj
deleted file mode 100644
index 161e329d..00000000
--- a/src2x/ShardingCore.2x/ShardingCore.2x.csproj
+++ /dev/null
@@ -1,52 +0,0 @@
-
-
-
-
- netstandard2.0
- $(EFCORE2)
- true
- TRACE;DEBUG;EFCORE2;
- 9.0
- ShardingCore
- ShardingCore
- https://github.com/xuejmnet/sharding-core
-
-
-
- true
- bin\Release\ShardingCore.2x.xml
-
-
-
- True
- \
-
-
-
-
-
-
-
-
-
- Sharding\ShardingExecutors\Abstractions\ICompileParameter.cs
-
-
- Sharding\MergeEngines\EnumeratorStreamMergeEngines\Abstractions\AbstractStreamMergeEnumerable.cs
-
-
- Sharding\MergeEngines\EnumeratorStreamMergeEngines\Enumerables\FirstOrDefaultStreamMergeEnumerable.cs
-
-
-
-
-
-
-
-
-
-
-
-
-
-
\ No newline at end of file
diff --git a/src3x/ShardingCore.3x/ShardingCore.3x.csproj b/src3x/ShardingCore.3x/ShardingCore.3x.csproj
deleted file mode 100644
index 6dc1ba03..00000000
--- a/src3x/ShardingCore.3x/ShardingCore.3x.csproj
+++ /dev/null
@@ -1,43 +0,0 @@
-
-
-
-
- netstandard2.0
- $(EFCORE3)
- true
- TRACE;DEBUG;EFCORE3;
- 9.0
- ShardingCore
- ShardingCore
- https://github.com/xuejmnet/sharding-core
-
-
-
- true
- bin\Release\ShardingCore.3x.xml
-
-
-
- True
- \
-
-
-
-
-
-
-
-
-
- EFCores\EFCore3x\ScriptMigrationGenerator.cs
-
-
- EFCores\EFCore2x\ScriptMigrationGenerator.cs
-
-
-
-
-
-
-
-
diff --git a/src5x/ShardingCore.5x/ShardingCore.5x.csproj b/src5x/ShardingCore.5x/ShardingCore.5x.csproj
deleted file mode 100644
index 96c245c2..00000000
--- a/src5x/ShardingCore.5x/ShardingCore.5x.csproj
+++ /dev/null
@@ -1,40 +0,0 @@
-
-
-
- netstandard2.1
- $(EFCORE5)
- true
- TRACE;DEBUG;EFCORE5;
- 9.0
- ShardingCore
- ShardingCore
- https://github.com/xuejmnet/sharding-core
-
-
-
- true
- bin\Release\ShardingCore.5x.xml
-
-
-
- True
- \
-
-
-
-
-
-
-
-
-
- Sharding\Enumerators\StreamMergeAsync\ConstantElementStreamMergeAsyncEnumerator.cs
-
-
-
-
-
-
-
-
-
diff --git a/src6x/ShardingCore.6x/ShardingCore.6x.csproj b/src6x/ShardingCore.6x/ShardingCore.6x.csproj
deleted file mode 100644
index a840d5a2..00000000
--- a/src6x/ShardingCore.6x/ShardingCore.6x.csproj
+++ /dev/null
@@ -1,38 +0,0 @@
-
-
-
-
- net6.0
- $(EFCORE6)
- true
- TRACE;DEBUG;EFCORE6;
- 9.0
- ShardingCore
- ShardingCore
- https://github.com/xuejmnet/sharding-core
-
-
-
- true
- bin\Release\ShardingCore.6x.xml
-
-
-
- True
- \
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-