diff --git a/src/csharp/Grpc.Auth/Grpc.Auth.csproj b/src/csharp/Grpc.Auth/Grpc.Auth.csproj
index 6ac25aa1f02dfa152106864fd2861736e53dbffe..c082e30c46cc0b31ed834ccbd0f3b0866bf712ea 100755
--- a/src/csharp/Grpc.Auth/Grpc.Auth.csproj
+++ b/src/csharp/Grpc.Auth/Grpc.Auth.csproj
@@ -23,7 +23,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj" />
+    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj">
+      <PrivateAssets>None</PrivateAssets>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/csharp/Grpc.Core.Testing/Grpc.Core.Testing.csproj b/src/csharp/Grpc.Core.Testing/Grpc.Core.Testing.csproj
index f4dd5105fc77350ac4ed8156d0f701203482ea3a..1efda925bd7eb1b2ba428701ecad12592c6c3cf3 100755
--- a/src/csharp/Grpc.Core.Testing/Grpc.Core.Testing.csproj
+++ b/src/csharp/Grpc.Core.Testing/Grpc.Core.Testing.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <Import Project="..\Grpc.Core\Version.csproj.include" />
   <Import Project="..\Grpc.Core\Common.csproj.include" />
@@ -23,7 +23,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj" />
+    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj">
+      <PrivateAssets>None</PrivateAssets>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
diff --git a/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.csproj b/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.csproj
index eac6e1fc95ff6d2cd348f18f9d4836293e0945ea..80c7dfe48cacc515db59fd177ec3b17b53ec6f8c 100755
--- a/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.csproj
+++ b/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.csproj
@@ -22,7 +22,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj" />
+    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj">
+      <PrivateAssets>None</PrivateAssets>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/csharp/Grpc.Reflection/Grpc.Reflection.csproj b/src/csharp/Grpc.Reflection/Grpc.Reflection.csproj
index 70bfcc89c5cd633b0ee0f48f31e381f61a460d01..eafa0f4e108bafb15499237fe1c0ac9da8fc6f08 100755
--- a/src/csharp/Grpc.Reflection/Grpc.Reflection.csproj
+++ b/src/csharp/Grpc.Reflection/Grpc.Reflection.csproj
@@ -22,7 +22,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj" />
+    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj">
+      <PrivateAssets>None</PrivateAssets>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>