diff --git a/eng/targets/CSharp.Common.props b/eng/targets/CSharp.Common.props
index b28e5f9c7fd2..3edac7591350 100644
--- a/eng/targets/CSharp.Common.props
+++ b/eng/targets/CSharp.Common.props
@@ -1,7 +1,7 @@
 <Project>
 
   <PropertyGroup>
-    <LangVersion>7.3</LangVersion>
+    <LangVersion>8.0</LangVersion>
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)..\AspNetCore.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
 
diff --git a/src/Hosting/samples/GenericWebHost/GenericWebHost.csproj b/src/Hosting/samples/GenericWebHost/GenericWebHost.csproj
index 120b4b4276bb..627bc8be8659 100644
--- a/src/Hosting/samples/GenericWebHost/GenericWebHost.csproj
+++ b/src/Hosting/samples/GenericWebHost/GenericWebHost.csproj
@@ -3,7 +3,6 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>netcoreapp3.0</TargetFramework>
-    <LangVersion>latest</LangVersion>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
 
diff --git a/src/Servers/Kestrel/perf/PlatformBenchmarks/PlatformBenchmarks.csproj b/src/Servers/Kestrel/perf/PlatformBenchmarks/PlatformBenchmarks.csproj
index 4b77aef69107..4ee2aaa813f9 100644
--- a/src/Servers/Kestrel/perf/PlatformBenchmarks/PlatformBenchmarks.csproj
+++ b/src/Servers/Kestrel/perf/PlatformBenchmarks/PlatformBenchmarks.csproj
@@ -4,7 +4,6 @@
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <TargetFramework Condition="'$(BenchmarksTargetFramework)' != ''">$(BenchmarksTargetFramework)</TargetFramework>
     <OutputType>Exe</OutputType>
-    <LangVersion>latest</LangVersion>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IsTestAssetProject>true</IsTestAssetProject>
   </PropertyGroup>
diff --git a/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj b/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj
index 8470423c2ce3..d26d4a30a9ef 100644
--- a/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj
+++ b/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj
@@ -5,7 +5,6 @@
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <IsAspNetCoreApp>true</IsAspNetCoreApp>
     <RootNamespace>Microsoft.AspNetCore.SignalR</RootNamespace>
-    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/SignalR/server/SignalR/test/Microsoft.AspNetCore.SignalR.Tests.csproj b/src/SignalR/server/SignalR/test/Microsoft.AspNetCore.SignalR.Tests.csproj
index ec113f4e57ab..c4fd5fd37b39 100644
--- a/src/SignalR/server/SignalR/test/Microsoft.AspNetCore.SignalR.Tests.csproj
+++ b/src/SignalR/server/SignalR/test/Microsoft.AspNetCore.SignalR.Tests.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
-    <LangVersion>8.0</LangVersion>
   </PropertyGroup>