C# 10: Disable Default Global Using

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<ImplicitUsings>disable</ImplicitUsings> has to be added to the PropertyGroup in the csproj-file.

For example:

<Project Sdk="Microsoft.NET.Sdk">
    <PropertyGroup>
        <TargetFramework>net6.0</TargetFramework>
        <Nullable>enable</Nullable>
        <ImplicitUsings>disable</ImplicitUsings>
    </PropertyGroup>
</Project>

If you are using a beta version of .NET 6, you will have to use <DisableImplicitNamespaceImports>true</DisableImplicitNamespaceImports>.

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