From ed5dfc213a70d98d9025aa20499a8795cad593a1 Mon Sep 17 00:00:00 2001
From: Erik Ejlskov Jensen <ErikEJ@users.noreply.github.com>
Date: Mon, 27 Jul 2020 19:33:57 +0200
Subject: [PATCH] Remove duplicate registration

fixes #21801
---
 .../Design/DesignTimeServiceCollectionExtensions.cs              | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/EFCore.Design/Design/DesignTimeServiceCollectionExtensions.cs b/src/EFCore.Design/Design/DesignTimeServiceCollectionExtensions.cs
index 2bb6c074b1d..06eeb951b90 100644
--- a/src/EFCore.Design/Design/DesignTimeServiceCollectionExtensions.cs
+++ b/src/EFCore.Design/Design/DesignTimeServiceCollectionExtensions.cs
@@ -49,7 +49,6 @@ public static IServiceCollection AddEntityFrameworkDesignTimeServices(
 
             return services
                 .AddSingleton<AnnotationCodeGeneratorDependencies>()
-                .AddSingleton<TypeMappingSourceDependencies>()
                 .AddSingleton<CSharpMigrationOperationGeneratorDependencies>()
                 .AddSingleton<CSharpMigrationsGeneratorDependencies>()
                 .AddSingleton<CSharpSnapshotGeneratorDependencies>()