diff --git a/TestAssets/TestProjects/MSBuildIntegration/build.proj b/TestAssets/TestProjects/MSBuildIntegration/build.proj
index 203f96df3..8b2a7851e 100644
--- a/TestAssets/TestProjects/MSBuildIntegration/build.proj
+++ b/TestAssets/TestProjects/MSBuildIntegration/build.proj
@@ -29,9 +29,6 @@
     <Error Condition=" '$(MSBuildExtensionsPath)' == '' " 
            Text="Expected MSBuildExtensionsPath to be set, but it is not." />
     
-    <Error Condition=" '$(CscToolExe)' == '' " 
-           Text="Expected CscToolExe to be set, but it is not." />
-
     <Error Condition=" '$(MSBuildSDKsPath)' == '' " 
            Text="Expected MSBuildSDKsPath to be set, but it is not." />
 
diff --git a/build_projects/Microsoft.DotNet.Cli.Build.SelfTest/InvokeWithStage2.proj b/build_projects/Microsoft.DotNet.Cli.Build.SelfTest/InvokeWithStage2.proj
index 1493128e7..cb833d480 100644
--- a/build_projects/Microsoft.DotNet.Cli.Build.SelfTest/InvokeWithStage2.proj
+++ b/build_projects/Microsoft.DotNet.Cli.Build.SelfTest/InvokeWithStage2.proj
@@ -7,8 +7,6 @@
     <PropertyGroup>
         <MSBuildExtensionsPathInToolPath>false</MSBuildExtensionsPathInToolPath>
         <MSBuildExtensionsPathInToolPath Condition="$(MSBuildExtensionsPath.StartsWith('$(NormalizedToolPath)'))">true</MSBuildExtensionsPathInToolPath>
-        <CscToolExeInToolPath>false</CscToolExeInToolPath>
-        <CscToolExeInToolPath Condition="$(CscToolExe.StartsWith('$(NormalizedToolPath)'))">true</CscToolExeInToolPath>
         <MSBuildSDKsPathInToolPath>false</MSBuildSDKsPathInToolPath>
         <MSBuildSDKsPathInToolPath Condition="$(MSBuildSDKsPath.StartsWith('$(NormalizedToolPath)'))">true</MSBuildSDKsPathInToolPath>
     </PropertyGroup>
diff --git a/src/Microsoft.DotNet.Cli.Utils/MSBuildForwardingAppWithoutLogging.cs b/src/Microsoft.DotNet.Cli.Utils/MSBuildForwardingAppWithoutLogging.cs
index 4a4628198..39c7fb2df 100644
--- a/src/Microsoft.DotNet.Cli.Utils/MSBuildForwardingAppWithoutLogging.cs
+++ b/src/Microsoft.DotNet.Cli.Utils/MSBuildForwardingAppWithoutLogging.cs
@@ -23,10 +23,6 @@ namespace Microsoft.DotNet.Cli.Utils
             new Dictionary<string, string>
             {
                 { "MSBuildExtensionsPath", AppContext.BaseDirectory },
-                { "CscToolPath", GetRunToolPath() },
-                { "VbcToolPath", GetRunToolPath() },
-                { "CscToolExe", GetRunToolExe("Csc") },
-                { "VbcToolExe", GetRunToolExe("Vbc") },
                 { "MSBuildSDKsPath", GetMSBuildSDKsPath() },
                 { "DOTNET_HOST_PATH", GetDotnetPath() },
             };
@@ -81,17 +77,6 @@ namespace Microsoft.DotNet.Cli.Utils
                 SdksDirectoryName);
         }
 
-        private static string GetRunToolPath()
-        {
-            return Path.Combine(AppContext.BaseDirectory, "Roslyn", "bincore");
-        }
-
-        private static string GetRunToolExe(string compilerName)
-        {
-            var scriptExtension = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? ".cmd" : "";
-            return $"Run{compilerName}{scriptExtension}";
-        }
-
         private static string GetDotnetPath()
         {
             return new Muxer().MuxerPath;
diff --git a/src/redist/redist.csproj b/src/redist/redist.csproj
index a58896f12..4dbd46f5d 100644
--- a/src/redist/redist.csproj
+++ b/src/redist/redist.csproj
@@ -291,8 +291,6 @@
     
     <Exec Command="find $(SdkOutputDirectory) -type d -exec chmod 755 {} \;" />
     <Exec Command="find $(SdkOutputDirectory) -type f -exec chmod 644 {} \;" />
-    <Chmod Mode="755" Glob="$(SdkOutputDirectory)/Roslyn/bincore/RunCsc" />
-    <Chmod Mode="755" Glob="$(SdkOutputDirectory)/Roslyn/bincore/RunVbc" />
     <Chmod Mode="755" Glob="$(SdkOutputDirectory)/FSharp/RunFsc.sh" />
   </Target>
 
diff --git a/test/dotnet-msbuild.Tests/GivenMsbuildForwardingApp.cs b/test/dotnet-msbuild.Tests/GivenMsbuildForwardingApp.cs
index 4450258ee..4dad315e3 100644
--- a/test/dotnet-msbuild.Tests/GivenMsbuildForwardingApp.cs
+++ b/test/dotnet-msbuild.Tests/GivenMsbuildForwardingApp.cs
@@ -31,8 +31,6 @@ namespace Microsoft.DotNet.Cli.MSBuild.Tests
 
         [Theory]
         [InlineData("MSBuildExtensionsPath")]
-        [InlineData("CscToolExe")]
-        [InlineData("VbcToolExe")]
         [InlineData("MSBuildSDKsPath")]
         [InlineData("DOTNET_CLI_TELEMETRY_SESSIONID")]
         public void ItSetsEnvironmentalVariables(string envVarName)
@@ -66,27 +64,6 @@ namespace Microsoft.DotNet.Cli.MSBuild.Tests
                 .Exist();
         }
 
-        [Fact]
-        public void ItSetsCscToolExePathToValidPath()
-        {
-            var msbuildPath = "<msbuildpath>";
-            var envVar = "CscToolExe";
-            new FileInfo(new MSBuildForwardingApp(new string[0], msbuildPath)
-                                .GetProcessStartInfo()
-                                .Environment[envVar])
-                .Should().NotBeNull("constructor will throw on invalid path");
-        }
-
-        [Fact]
-        public void ItSetsVbcToolExePathToValidPath()
-        {
-            var msbuildPath = "<msbuildpath>";
-            var envVar = "VbcToolExe";
-            new FileInfo(new MSBuildForwardingApp(new string[0], msbuildPath)
-                                .GetProcessStartInfo()
-                                .Environment[envVar])
-                .Should().NotBeNull("constructor will throw on invalid path");
-        }
 
         [Fact]
         public void ItSetsOrIgnoresTelemetrySessionId()