diff --git a/build/prepare-nuget-package.targets b/build/prepare-nuget-package.targets
index 172bfdcc..8894c273 100644
--- a/build/prepare-nuget-package.targets
+++ b/build/prepare-nuget-package.targets
@@ -17,7 +17,5 @@
     <Copy SourceFiles="$(TargetDir)/StardewModdingAPI.Toolkit.dll" DestinationFolder="$(PackagePath)/build" />
     <Copy SourceFiles="$(TargetDir)/StardewModdingAPI.Toolkit.CoreInterfaces.dll" DestinationFolder="$(PackagePath)/build" />
     <Copy SourceFiles="$(SolutionDir)/SMAPI.ModBuildConfig.Analyzer/bin/netstandard1.3/StardewModdingAPI.ModBuildConfig.Analyzer.dll" DestinationFolder="$(PackagePath)/analyzers/dotnet/cs" />
-    <Copy SourceFiles="$(SolutionDir)/SMAPI.ModBuildConfig.Analyzer/tools/install.ps1" DestinationFolder="$(PackagePath)/tools" />
-    <Copy SourceFiles="$(SolutionDir)/SMAPI.ModBuildConfig.Analyzer/tools/uninstall.ps1" DestinationFolder="$(PackagePath)/tools" />
   </Target>
 </Project>
diff --git a/docs/mod-build-config.md b/docs/mod-build-config.md
index a97c3171..329f5faf 100644
--- a/docs/mod-build-config.md
+++ b/docs/mod-build-config.md
@@ -216,6 +216,9 @@ That error means the package couldn't find your game. You can specify the game p
 _[Game path](#game-path)_ above.
 
 ## Release notes
+### Upcoming release
+* Dropped support for very old versions of SMAPI and Visual Studio.
+
 ### 2.2
 * Added support for SMAPI 2.8+ (still compatible with earlier versions).
 * Added default game paths for 32-bit Windows.
diff --git a/src/SMAPI.ModBuildConfig.Analyzer/tools/install.ps1 b/src/SMAPI.ModBuildConfig.Analyzer/tools/install.ps1
deleted file mode 100644
index ff051759..00000000
--- a/src/SMAPI.ModBuildConfig.Analyzer/tools/install.ps1
+++ /dev/null
@@ -1,58 +0,0 @@
-param($installPath, $toolsPath, $package, $project)
-
-if($project.Object.SupportsPackageDependencyResolution)
-{
-    if($project.Object.SupportsPackageDependencyResolution())
-    {
-        # Do not install analyzers via install.ps1, instead let the project system handle it.
-        return
-    }
-}
-
-$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve
-
-foreach($analyzersPath in $analyzersPaths)
-{
-    if (Test-Path $analyzersPath)
-    {
-        # Install the language agnostic analyzers.
-        foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll)
-        {
-            if($project.Object.AnalyzerReferences)
-            {
-                $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName)
-            }
-        }
-    }
-}
-
-# $project.Type gives the language name like (C# or VB.NET)
-$languageFolder = ""
-if($project.Type -eq "C#")
-{
-    $languageFolder = "cs"
-}
-if($project.Type -eq "VB.NET")
-{
-    $languageFolder = "vb"
-}
-if($languageFolder -eq "")
-{
-    return
-}
-
-foreach($analyzersPath in $analyzersPaths)
-{
-    # Install language specific analyzers.
-    $languageAnalyzersPath = join-path $analyzersPath $languageFolder
-    if (Test-Path $languageAnalyzersPath)
-    {
-        foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll)
-        {
-            if($project.Object.AnalyzerReferences)
-            {
-                $project.Object.AnalyzerReferences.Add($analyzerFilePath.FullName)
-            }
-        }
-    }
-}
diff --git a/src/SMAPI.ModBuildConfig.Analyzer/tools/uninstall.ps1 b/src/SMAPI.ModBuildConfig.Analyzer/tools/uninstall.ps1
deleted file mode 100644
index 4bed3337..00000000
--- a/src/SMAPI.ModBuildConfig.Analyzer/tools/uninstall.ps1
+++ /dev/null
@@ -1,65 +0,0 @@
-param($installPath, $toolsPath, $package, $project)
-
-if($project.Object.SupportsPackageDependencyResolution)
-{
-    if($project.Object.SupportsPackageDependencyResolution())
-    {
-        # Do not uninstall analyzers via uninstall.ps1, instead let the project system handle it.
-        return
-    }
-}
-
-$analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve
-
-foreach($analyzersPath in $analyzersPaths)
-{
-    # Uninstall the language agnostic analyzers.
-    if (Test-Path $analyzersPath)
-    {
-        foreach ($analyzerFilePath in Get-ChildItem -Path "$analyzersPath\*.dll" -Exclude *.resources.dll)
-        {
-            if($project.Object.AnalyzerReferences)
-            {
-                $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName)
-            }
-        }
-    }
-}
-
-# $project.Type gives the language name like (C# or VB.NET)
-$languageFolder = ""
-if($project.Type -eq "C#")
-{
-    $languageFolder = "cs"
-}
-if($project.Type -eq "VB.NET")
-{
-    $languageFolder = "vb"
-}
-if($languageFolder -eq "")
-{
-    return
-}
-
-foreach($analyzersPath in $analyzersPaths)
-{
-    # Uninstall language specific analyzers.
-    $languageAnalyzersPath = join-path $analyzersPath $languageFolder
-    if (Test-Path $languageAnalyzersPath)
-    {
-        foreach ($analyzerFilePath in Get-ChildItem -Path "$languageAnalyzersPath\*.dll" -Exclude *.resources.dll)
-        {
-            if($project.Object.AnalyzerReferences)
-            {
-                try
-                {
-                    $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName)
-                }
-                catch
-                {
-
-                }
-            }
-        }
-    }
-}
diff --git a/src/SMAPI.ModBuildConfig/build/smapi.targets b/src/SMAPI.ModBuildConfig/build/smapi.targets
index e6c3fa57..99011629 100644
--- a/src/SMAPI.ModBuildConfig/build/smapi.targets
+++ b/src/SMAPI.ModBuildConfig/build/smapi.targets
@@ -102,7 +102,6 @@
         </Reference>
         <Reference Include="StardewModdingAPI.Toolkit.CoreInterfaces">
           <HintPath>$(GamePath)\smapi-internal\StardewModdingAPI.Toolkit.CoreInterfaces.dll</HintPath>
-          <HintPath Condition="!Exists('$(GamePath)\smapi-internal')">$(GamePath)\StardewModdingAPI.Toolkit.CoreInterfaces.dll</HintPath>
           <Private>false</Private>
           <Private Condition="$(CopyModReferencesToBuildOutput)">true</Private>
         </Reference>
@@ -142,7 +141,6 @@
         </Reference>
         <Reference Include="StardewModdingAPI.Toolkit.CoreInterfaces">
           <HintPath>$(GamePath)\smapi-internal\StardewModdingAPI.Toolkit.CoreInterfaces.dll</HintPath>
-          <HintPath Condition="!Exists('$(GamePath)\smapi-internal')">$(GamePath)\StardewModdingAPI.Toolkit.CoreInterfaces.dll</HintPath>
           <Private>false</Private>
           <Private Condition="$(CopyModReferencesToBuildOutput)">true</Private>
         </Reference>
diff --git a/src/SMAPI.ModBuildConfig/package.nuspec b/src/SMAPI.ModBuildConfig/package.nuspec
index 21693828..1d73c4a1 100644
--- a/src/SMAPI.ModBuildConfig/package.nuspec
+++ b/src/SMAPI.ModBuildConfig/package.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata>
     <id>Pathoschild.Stardew.ModBuildConfig</id>
-    <version>2.2</version>
+    <version>2.2.1</version>
     <title>Build package for SMAPI mods</title>
     <authors>Pathoschild</authors>
     <owners>Pathoschild</owners>
@@ -12,10 +12,8 @@
     <iconUrl>https://raw.githubusercontent.com/Pathoschild/SMAPI/develop/src/SMAPI.ModBuildConfig/assets/nuget-icon.png</iconUrl>
     <description>Automates the build configuration for crossplatform Stardew Valley SMAPI mods. For Stardew Valley 1.3 or later.</description>
     <releaseNotes>
-      2.2:
-      - Added support for SMAPI 2.8+ (still compatible with earlier versions).
-      - Added default game paths for 32-bit Windows.
-      - Fixed valid manifests marked invalid in some cases.
+      2.2.1:
+      - Dropped support for very old versions of SMAPI and Visual Studio.
     </releaseNotes>
   </metadata>
 </package>