diff --git a/src/StringTools/StringTools.csproj b/src/StringTools/StringTools.csproj
index fef9909ce6f..93a4634ce01 100644
--- a/src/StringTools/StringTools.csproj
+++ b/src/StringTools/StringTools.csproj
@@ -20,17 +20,12 @@
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net35'">
     <AssemblyName>Microsoft.NET.StringTools.net35</AssemblyName>
-    <!-- Disable Fx install checks as we're building against jnm2's 3.5 reference assemblies -->
-    <BypassFrameworkInstallChecks>true</BypassFrameworkInstallChecks>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' != 'net35'">
     <PackageReference Include="System.Memory" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" />
   </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="jnm2.ReferenceAssemblies.net35" PrivateAssets="All" />
-  </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net35'">
     <Compile Remove="SpanBasedStringBuilder.cs" />