diff --git a/eng/scripts/CodeCheck.ps1 b/eng/scripts/CodeCheck.ps1
index 0289fb699d..b4ef42df69 100644
--- a/eng/scripts/CodeCheck.ps1
+++ b/eng/scripts/CodeCheck.ps1
@@ -143,7 +143,7 @@ try {
     if ($changedFiles) {
         foreach ($file in $changedFiles) {
             $filePath = Resolve-Path "${repoRoot}/${file}"
-            LogError "Generated code is not up to date in $file." -filepath $filePath
+            LogError "Generated code is not up to date in $file. You might need to regenerate the reference assemblies or project list (see docs/ReferenceAssemblies.md and docs/ReferenceResolution.md)" -filepath $filePath
             & git --no-pager diff --ignore-space-at-eol $filePath
         }
     }
diff --git a/src/PackageArchive/Archive.CiServer.Patch.Compat/ArchiveBaseline.2.1.10.txt b/src/PackageArchive/Archive.CiServer.Patch.Compat/ArchiveBaseline.2.1.10.txt
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/src/PackageArchive/Archive.CiServer.Patch.Compat/ArchiveBaseline.2.2.4.txt b/src/PackageArchive/Archive.CiServer.Patch.Compat/ArchiveBaseline.2.2.4.txt
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/src/PackageArchive/Archive.CiServer.Patch/ArchiveBaseline.2.1.10.txt b/src/PackageArchive/Archive.CiServer.Patch/ArchiveBaseline.2.1.10.txt
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/src/PackageArchive/Archive.CiServer.Patch/ArchiveBaseline.2.2.4.txt b/src/PackageArchive/Archive.CiServer.Patch/ArchiveBaseline.2.2.4.txt
deleted file mode 100644
index e69de29bb2..0000000000