diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 6c86361bca..0edbb4ce2d 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+      - v3
     paths:
       - "documentation/**"
   pull_request:
@@ -52,7 +53,6 @@ jobs:
       - name: Build a themed site (3.x)
         working-directory: documentation
         run: |
-          mike --help
           mike deploy 3 -b publish -p
           mike set-default 3 -b publish -p
           mike retitle 3 "PMM 3.x (LATEST)" -b publish -p
diff --git a/documentation/mkdocs-percona.yml b/documentation/mkdocs-percona.yml
deleted file mode 100644
index 33bdda5358..0000000000
--- a/documentation/mkdocs-percona.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-# MkDocs configuration for HTML publishing to percona.com
-INHERIT: mkdocs-base.yml
-
-site_url: https://www.percona.com/percona-monitoring-and-management/
-
-plugins:
-  bootstrap-tables: {}
-
-extra_css:
-  - https://unicons.iconscout.com/release/v3.0.3/css/line.css
-  - https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.4.0/css/font-awesome.min.css
-  # - css/version-select.css
-
-markdown_extensions:
-  - admonition
-  - pymdownx.details
-  - pymdownx.superfences
-  - pymdownx.tabbed:
-      alternate_style: true 
-      
-extra_javascript:
-  - js/version-select.js
-
-extra: # Used in main.html template and can't be externalized
-  edit_page_text: '<i class="uil uil-pen"></i> <b>Edit this page</b>'
-  updated_text: '<i class="uil uil-refresh"></i> Page updated'
-  version:
-    provider: mike