diff --git a/NineChronicles.DataProvider.Executable/Commands/ItemEnhancementMigration.cs b/NineChronicles.DataProvider.Executable/Commands/ItemEnhancementMigration.cs
index 4082877f..b87e75cb 100644
--- a/NineChronicles.DataProvider.Executable/Commands/ItemEnhancementMigration.cs
+++ b/NineChronicles.DataProvider.Executable/Commands/ItemEnhancementMigration.cs
@@ -292,6 +292,8 @@ public void Migration(
                         offsetIdx += interval;
                         _mySqlStore.StoreItemEnhancementList(_itemEnhancementList);
                         _itemEnhancementList.Clear();
+                        GC.Collect();
+                        GC.WaitForPendingFinalizers();
                     }
                     else
                     {
diff --git a/NineChronicles.DataProvider.Executable/NineChronicles.DataProvider.Executable.csproj b/NineChronicles.DataProvider.Executable/NineChronicles.DataProvider.Executable.csproj
index 963337c7..f8ff859d 100644
--- a/NineChronicles.DataProvider.Executable/NineChronicles.DataProvider.Executable.csproj
+++ b/NineChronicles.DataProvider.Executable/NineChronicles.DataProvider.Executable.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>net6</TargetFramework>
 	<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
 	<GenerateDocumentationFile>true</GenerateDocumentationFile>
-	<NoWarn>$(NoWarn),1573,1591,1712,MEN002,MEN003,MEN005,S1450,SA1009,SA1101,SA1111,SA1116,S1134,SA1200,SA1309,SA1413,SA1600,SA1601,SA1633,EF1001,S1075</NoWarn>
+	<NoWarn>$(NoWarn),1573,1591,1712,MEN002,MEN003,MEN005,S1450,SA1009,SA1101,SA1111,SA1116,S1134,SA1200,SA1309,SA1413,SA1600,SA1601,SA1633,EF1001,S1075,S1215</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Cocona.Lite" Version="2.1.0" />