diff --git a/.gitmodules b/.gitmodules
index 9419781c88..ed2296155f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -70,10 +70,6 @@
 	path = modules/Identity
 	url = https://github.com/aspnet/Identity.git
 	branch = master
-[submodule "modules/IISIntegration"]
-	path = modules/IISIntegration
-	url = https://github.com/aspnet/IISIntegration.git
-	branch = master
 [submodule "modules/JavaScriptServices"]
 	path = modules/JavaScriptServices
 	url = https://github.com/aspnet/JavaScriptServices.git
diff --git a/build/CodeSign.props b/build/CodeSign.props
index 741a90fa75..39b172f2c4 100644
--- a/build/CodeSign.props
+++ b/build/CodeSign.props
@@ -8,6 +8,8 @@
       <FilesToSign Include="System.Interactive.Async.dll"                                  Certificate="$(AssemblySigning3rdPartyCertName)" Container="Microsoft.AspNetCore.App" />
 
     <!-- These files came from the aspnet/Extensions build, but have to be re-signed because we crossgen them. -->
+      <FilesToSign Include="Microsoft.Extensions.DependencyInjection.dll"                   Certificate="$(AssemblySigningCertName)" Container="Microsoft.AspNetCore.App" />
+      <FilesToSign Include="Microsoft.Extensions.DependencyInjection.Abstractions.dll"      Certificate="$(AssemblySigningCertName)" Container="Microsoft.AspNetCore.App" />
       <FilesToSign Include="Microsoft.Extensions.DiagnosticAdapter.dll"                     Certificate="$(AssemblySigningCertName)" Container="Microsoft.AspNetCore.App" />
       <FilesToSign Include="Microsoft.Extensions.ObjectPool.dll"                            Certificate="$(AssemblySigningCertName)" Container="Microsoft.AspNetCore.App" />
       <FilesToSign Include="Microsoft.Extensions.Primitives.dll"                            Certificate="$(AssemblySigningCertName)" Container="Microsoft.AspNetCore.App"  />
diff --git a/build/buildorder.props b/build/buildorder.props
index 6b42cf9d05..3767f91e3d 100644
--- a/build/buildorder.props
+++ b/build/buildorder.props
@@ -25,7 +25,7 @@
     <RepositoryBuildOrder Include="DataProtection" Order="9" RootPath="$(RepositoryRoot)src\DataProtection\" />
     <RepositoryBuildOrder Include="BasicMiddleware" Order="9" />
     <RepositoryBuildOrder Include="Antiforgery" Order="10" />
-    <RepositoryBuildOrder Include="IISIntegration" Order="10" />
+    <RepositoryBuildOrder Include="IISIntegration" Order="10" RootPath="$(RepositoryRoot)src\IISIntegration\" />
     <RepositoryBuildOrder Include="StaticFiles" Order="11" />
     <RepositoryBuildOrder Include="ResponseCaching" Order="11" />
     <RepositoryBuildOrder Include="Session" Order="11" />
diff --git a/build/submodules.props b/build/submodules.props
index b095b2b915..e9240ff30e 100644
--- a/build/submodules.props
+++ b/build/submodules.props
@@ -54,7 +54,7 @@
     <Repository Include="HttpClientFactory" />
     <Repository Include="HttpSysServer" />
     <Repository Include="Identity" />
-    <Repository Include="IISIntegration" />
+    <Repository Include="IISIntegration" RootPath="$(RepositoryRoot)src\IISIntegration\" />
     <Repository Include="JavaScriptServices" />
     <Repository Include="JsonPatch" />
     <Repository Include="KestrelHttpServer" />
diff --git a/modules/IISIntegration b/modules/IISIntegration
deleted file mode 160000
index 321cfe5c41..0000000000
--- a/modules/IISIntegration
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 321cfe5c41ddf0006a20e89e89676a435a284c41
diff --git a/src/IISIntegration/test/gtest/googletest b/src/IISIntegration/test/gtest/googletest
index 879ac092fd..4e4df226fc 160000
--- a/src/IISIntegration/test/gtest/googletest
+++ b/src/IISIntegration/test/gtest/googletest
@@ -1 +1 @@
-Subproject commit 879ac092fde0a19e1b3a61b2546b2a422b1528bc
+Subproject commit 4e4df226fc197c0dda6e37f5c8c3845ca1e73a49