diff --git a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
index 40603e8..4a73140 100644
--- a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
+++ b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
@@ -1,6 +1,4 @@
-using ExcelDna.IntelliSense;
-using RhSolutions.Tools;
-using System.Net;
+using System.Net;
 #if !NET472
 using System.Runtime.Versioning;
 #endif
@@ -32,16 +30,13 @@ public sealed class RhSolutionsAddIn : IExcelAddIn
         Configuration = ServiceProvider.GetService<IAddInConfiguration>();
         Excel = ServiceProvider.GetService<Application>();
 
-        IntelliSenseServer.Install();
         EventsUtil.Initialize();
-
         ServicePointManager.SecurityProtocol =
             SecurityProtocolType.Tls12;
     }
 
     public void AutoClose()
     {
-        IntelliSenseServer.Uninstall();
         EventsUtil.Uninitialize();
     }
 }
diff --git a/RhSolutions.AddIn/RhSolutions-AddIn.dna b/RhSolutions.AddIn/RhSolutions-AddIn.dna
index 9509d66..6b88a0f 100644
--- a/RhSolutions.AddIn/RhSolutions-AddIn.dna
+++ b/RhSolutions.AddIn/RhSolutions-AddIn.dna
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <DnaLibrary Name="RhSolutions Add-In" RuntimeVersion="v4.0" xmlns="http://schemas.excel-dna.net/addin/2020/07/dnalibrary">
   <ExternalLibrary Path="RhSolutions.AddIn.dll" ExplicitExports="false" LoadFromBytes="true" Pack="true" IncludePdb="false" />
-	<Reference Path="ExcelDna.IntelliSense.dll" Pack="true" />
 	<Reference Path="Microsoft.Extensions.DependencyInjection.Abstractions.dll" Pack="true" />
 	<Reference Path="Microsoft.Extensions.DependencyInjection.dll" Pack="true" />
 	<Reference Path="Microsoft.Extensions.Http.dll" Pack="true" />
diff --git a/RhSolutions.AddIn/RhSolutions.AddIn.csproj b/RhSolutions.AddIn/RhSolutions.AddIn.csproj
index 81fcb6a..87d8d5c 100644
--- a/RhSolutions.AddIn/RhSolutions.AddIn.csproj
+++ b/RhSolutions.AddIn/RhSolutions.AddIn.csproj
@@ -29,7 +29,6 @@
 		  <TreatAsUsed>true</TreatAsUsed>
 		</PackageReference>
 		<PackageReference Include="ExcelDna.Integration" Version="1.6.0" />
-		<PackageReference Include="ExcelDna.IntelliSense" Version="1.6.0" />
 		<PackageReference Include="ExcelDna.Interop" Version="15.0.1" />
 		<PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
 		<PackageReference Include="Microsoft.Extensions.Http" Version="7.0.0" />