diff --git a/.openpublishing.build.ps1 b/.openpublishing.build.ps1
deleted file mode 100644
index 93bdf62f2f..0000000000
--- a/.openpublishing.build.ps1
+++ /dev/null
@@ -1,17 +0,0 @@
-param(
-    [string]$buildCorePowershellUrl = "https://opbuildstorageprod.blob.core.windows.net/opps1container/.openpublishing.buildcore.ps1",
-    [string]$parameters
-)
-# Main
-$errorActionPreference = 'Stop'
-
-# Step-1: Download buildcore script to local
-echo "download build core script to local with source url: $buildCorePowershellUrl"
-$repositoryRoot = Split-Path -Parent $MyInvocation.MyCommand.Definition
-$buildCorePowershellDestination = "$repositoryRoot\.openpublishing.buildcore.ps1"
-Invoke-WebRequest $buildCorePowershellUrl -OutFile "$buildCorePowershellDestination"
-
-# Step-2: Run build core
-echo "run build core script with parameters: $parameters"
-& "$buildCorePowershellDestination" "$parameters"
-exit $LASTEXITCODE
diff --git a/migration/TOC.yml b/migration/TOC.yml
index 9f96eb5806..fead7b7047 100644
--- a/migration/TOC.yml
+++ b/migration/TOC.yml
@@ -231,6 +231,8 @@ Items:
         href: how-to-format-your-csv-file-for-data-content-migration.md
       - name: Create user mapping files
         href: create-a-user-mapping-file-for-data-content-migration.md
+      - name: Migrate with Certificate Based Authentication
+        href: migration-with-cba.md
       - name: How the SharePoint Migration Tool works
         href: how-the-sharepoint-migration-tool-works.md
     - name: Reports