diff --git a/msbuild/Xamarin.Mac.Tasks/Xamarin.Mac.Tasks.csproj b/msbuild/Xamarin.Mac.Tasks/Xamarin.Mac.Tasks.csproj
index 0a8a6907c8..9f8020603f 100644
--- a/msbuild/Xamarin.Mac.Tasks/Xamarin.Mac.Tasks.csproj
+++ b/msbuild/Xamarin.Mac.Tasks/Xamarin.Mac.Tasks.csproj
@@ -5,6 +5,7 @@
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>../../product.snk</AssemblyOriginatorKeyFile>
+    <NoWarn>$(NoWarn);8002</NoWarn> <!-- Referenced projects aren't signed: this doesn't matter, because we use ILMerge to merge into a single assembly which we sign -->
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Xamarin.Messaging.Build.Client" Version="$(MessagingVersion)" />
diff --git a/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj b/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj
index ac78684fd9..829d8611d3 100644
--- a/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj
+++ b/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj
@@ -6,6 +6,7 @@
     <IncludeMSBuildAssets Condition="'$(IncludeMSBuildAssets)' == ''">compile</IncludeMSBuildAssets>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>../../product.snk</AssemblyOriginatorKeyFile>
+    <NoWarn>$(NoWarn);8002</NoWarn> <!-- Referenced projects aren't signed: this doesn't matter, because we use ILMerge to merge into a single assembly which we sign -->
   </PropertyGroup>
 
   <Import Project="..\..\eng\Versions.props" />