diff --git a/build/NuSpecs/UmbracoCms.Examine.Lucene.nuspec b/build/NuSpecs/UmbracoCms.Examine.Lucene.nuspec
deleted file mode 100644
index 19d60f27a9..0000000000
--- a/build/NuSpecs/UmbracoCms.Examine.Lucene.nuspec
+++ /dev/null
@@ -1,49 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
-    <metadata minClientVersion="4.1.0">
-        <id>Umbraco.Cms.Examine.Lucene</id>
-        <version>9.0.0</version>
-        <title>Umbraco CMS Examine Binaries</title>
-        <authors>Umbraco HQ</authors>
-        <owners>Umbraco HQ</owners>
-        <license type="expression">MIT</license>
-        <projectUrl>https://umbraco.com/</projectUrl>
-        <iconUrl>https://umbraco.com/dist/nuget/logo-small.png</iconUrl>
-        <requireLicenseAcceptance>false</requireLicenseAcceptance>
-        <description>Contains the Examine assemblies needed to run Umbraco Cms. This package only contains assemblies and can be used for package development. Use the UmbracoCms package to setup Umbraco in Visual Studio as an ASP.NET Core project.</description>
-        <summary>Contains dll files required to run Examine.</summary>
-        <language>en-US</language>
-        <tags>umbraco</tags>
-        <repository type="git" url="https://github.com/umbraco/umbraco-cms" />
-        <dependencies>
-
-            <group targetFramework="netstandard2.0">
-                <dependency id="Umbraco.Cms.Core" version="[$version$]" />
-                <dependency id="Umbraco.Cms.Infrastructure" version="[$version$]" />
-                <dependency id="Newtonsoft.Json" version="[12.0.3,12.999999)" />
-                <dependency id="NPoco" version="[4.0.2,4.999999)" />
-                <dependency id="System.Configuration.ConfigurationManager" version="[5.0.0,5.999999)" />
-            </group>
-
-        </dependencies>
-    </metadata>
-
-    <files>
-        <!-- Umbraco.Examine.Lucene HACK remove this when Examine lucene is a real netstandard dependency -->
-        <file src="$BuildTmp$\bin\Examine.Lucene.dll" target="lib\netstandard2.0\Examine.Lucene.dll" />
-        <file src="$BuildTmp$\bin\Lucene.Net.dll" target="lib\netstandard2.0\Lucene.Net.dll" />
-
-        <!-- Libs -->
-        <file src="$BuildTmp$\bin\Umbraco.Examine.Lucene.dll" target="lib\net472\Umbraco.Examine.Lucene.dll" />
-        <file src="$BuildTmp$\bin\Umbraco.Examine.Lucene.dll" target="lib\netstandard2.0\Umbraco.Examine.Lucene.dll" />
-
-
-        <!-- Docs -->
-        <file src="$BuildTmp$\bin\Umbraco.Examine.Lucene.xml" target="lib\net472\Umbraco.Examine.Lucene.xml" />
-        <file src="$BuildTmp$\bin\Umbraco.Examine.Lucene.xml" target="lib\netstandard2.0\Umbraco.Examine.Lucene.xml" />
-
-        <!-- Symbols -->
-        <file src="$BuildTmp$\bin\Umbraco.Examine.Lucene.pdb" target="lib\net472\Umbraco.Examine.Lucene.pdb" />
-        <file src="$BuildTmp$\bin\Umbraco.Examine.Lucene.pdb" target="lib\netstandard2.0\Umbraco.Examine.Lucene.pdb" />
-    </files>
-</package>
diff --git a/build/build.ps1 b/build/build.ps1
index be9a8f0f4f..ba99e1e660 100644
--- a/build/build.ps1
+++ b/build/build.ps1
@@ -433,13 +433,6 @@
         -Verbosity detailed -outputDirectory "$($this.BuildOutput)" > "$($this.BuildTemp)\nupack.cms.log"
     if (-not $?) { throw "Failed to pack NuGet UmbracoCms." }
 
-    &$this.BuildEnv.NuGet Pack "$nuspecs\UmbracoCms.Examine.Lucene.nuspec" `
-        -Properties BuildTmp="$($this.BuildTemp)" `
-        -Version "$($this.Version.Semver.ToString())" `
-        -Verbosity detailed  `
-        -outputDirectory "$($this.BuildOutput)" > "$($this.BuildTemp)\nupack.examine.lucene.log"
-    if (-not $?) { throw "Failed to pack Nuget UmbracoCms.Lucene.nuspec"}
-
     &$this.BuildEnv.NuGet Pack "$nuspecs\UmbracoCms.SqlCe.nuspec" `
         -Properties BuildTmp="$($this.BuildTemp)" `
         -Version "$($this.Version.Semver.ToString())" `
diff --git a/src/Umbraco.Infrastructure/Runtime/CoreRuntime.cs b/src/Umbraco.Infrastructure/Runtime/CoreRuntime.cs
index 560612f6b5..f7065fe0b5 100644
--- a/src/Umbraco.Infrastructure/Runtime/CoreRuntime.cs
+++ b/src/Umbraco.Infrastructure/Runtime/CoreRuntime.cs
@@ -100,6 +100,9 @@ namespace Umbraco.Cms.Infrastructure.Runtime
 
             AppDomain.CurrentDomain.SetData("DataDirectory", _hostingEnvironment?.MapPathContentRoot(Constants.SystemDirectories.Data));
 
+            // acquire the main domain - if this fails then anything that should be registered with MainDom will not operate
+            AcquireMainDom();
+
             DoUnattendedInstall();
             DetermineRuntimeLevel();
 
@@ -114,8 +117,7 @@ namespace Umbraco.Cms.Infrastructure.Runtime
                 throw new InvalidOperationException($"An instance of {typeof(IApplicationShutdownRegistry)} could not be resolved from the container, ensure that one if registered in your runtime before calling {nameof(IRuntime)}.{nameof(StartAsync)}");
             }
 
-            // acquire the main domain - if this fails then anything that should be registered with MainDom will not operate
-            AcquireMainDom();
+
 
             // if level is Run and reason is UpgradeMigrations, that means we need to perform an unattended upgrade
             if (State.Reason == RuntimeLevelReason.UpgradeMigrations && State.Level == RuntimeLevel.Run)
diff --git a/src/Umbraco.Web.BackOffice/Umbraco.Web.BackOffice.csproj b/src/Umbraco.Web.BackOffice/Umbraco.Web.BackOffice.csproj
index 2a66eec917..a453e7b92c 100644
--- a/src/Umbraco.Web.BackOffice/Umbraco.Web.BackOffice.csproj
+++ b/src/Umbraco.Web.BackOffice/Umbraco.Web.BackOffice.csproj
@@ -42,7 +42,7 @@
 
     <ItemGroup>
         <ProjectReference Include="..\Umbraco.Core\Umbraco.Core.csproj" />
-        <ProjectReference Include="..\Umbraco.Examine.Lucene\Umbraco.Examine.Lucene.csproj" Condition="'$(OS)' == 'Windows_NT'" />
+        <ProjectReference Include="..\Umbraco.Examine.Lucene\Umbraco.Examine.Lucene.csproj" />
         <ProjectReference Include="..\Umbraco.Infrastructure\Umbraco.Infrastructure.csproj" />
         <ProjectReference Include="..\Umbraco.Web.Common\Umbraco.Web.Common.csproj" />
     </ItemGroup>
diff --git a/src/umbraco.sln b/src/umbraco.sln
index 3da24dcca5..b021dfccff 100644
--- a/src/umbraco.sln
+++ b/src/umbraco.sln
@@ -39,7 +39,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "NuSpecs", "NuSpecs", "{227C
 	ProjectSection(SolutionItems) = preProject
 		..\build\NuSpecs\UmbracoCms.nuspec = ..\build\NuSpecs\UmbracoCms.nuspec
 		..\build\NuSpecs\UmbracoCms.SqlCe.nuspec = ..\build\NuSpecs\UmbracoCms.SqlCe.nuspec
-		..\build\NuSpecs\UmbracoCms.Examine.Lucene.nuspec = ..\build\NuSpecs\UmbracoCms.Examine.Lucene.nuspec
 		..\build\NuSpecs\UmbracoCms.StaticAssets.nuspec = ..\build\NuSpecs\UmbracoCms.StaticAssets.nuspec
 	EndProjectSection
 EndProject