diff --git a/src/SourceBuild/Arcade/eng/common/templates/job/source-build-run-tarball-build.yml b/src/SourceBuild/Arcade/eng/common/templates/job/source-build-run-tarball-build.yml
index 45dfbf787..aa9193387 100644
--- a/src/SourceBuild/Arcade/eng/common/templates/job/source-build-run-tarball-build.yml
+++ b/src/SourceBuild/Arcade/eng/common/templates/job/source-build-run-tarball-build.yml
@@ -84,22 +84,19 @@ jobs:
         ${{ else }}:
           ${{ parameters.poolInternalAmd64 }}
 
-- ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+- ${{ if and(eq(variables['System.TeamProject'], 'internal'), ne(variables['Build.Reason'], 'PullRequest')) }}:
   - template: /src/SourceBuild/Arcade/eng/common/templates/job/source-build-build-tarball.yml
     parameters:
       architecture: arm64
       dependsOn: ${{ parameters.dependsOn }}
-      ${{ if in(variables['Build.Reason'], 'PullRequest') }}:
-        excludeSdkContentTests: true
       installerBuildResourceId: ${{ parameters.installerBuildResourceId }}
       matrix:
-        ${{ if ne(variables['Build.Reason'], 'PullRequest') }}:
-          Debian9-Offline:
-            _BootstrapPrep: true
-            _Container: ${{ parameters.debian9Arm64Container }}
-            _EnablePoison: false
-            _ExcludeOmniSharpTests: false
-            _RunOnline: false
+        Debian9-Offline:
+          _BootstrapPrep: true
+          _Container: ${{ parameters.debian9Arm64Container }}
+          _EnablePoison: false
+          _ExcludeOmniSharpTests: false
+          _RunOnline: false
       name: Build_Tarball_arm64
       pool: ${{ parameters.poolInternalArm64 }}
 
diff --git a/src/SourceBuild/tarball/content/repos/fsharp.proj b/src/SourceBuild/tarball/content/repos/fsharp.proj
index a03a69fc5..4d00be9ad 100644
--- a/src/SourceBuild/tarball/content/repos/fsharp.proj
+++ b/src/SourceBuild/tarball/content/repos/fsharp.proj
@@ -27,6 +27,7 @@
 
   <ItemGroup>
     <UseSourceBuiltSdkOverride Include="@(ArcadeSdkOverride)" />
+    <EnvironmentVariables Include="CheckEolTargetFramework=false" />
   </ItemGroup>
 
   <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />