diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 7582c45..e397d22 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -113,8 +113,8 @@ jobs:
         run: |
           set -x
           # Comment out dynamic branch selection for now
-          # BOOSTLOOK_BRANCH="${{ (startsWith(github.ref, 'refs/heads/develop') && 'develop') || 'master' }}"
-          export BOOSTLOOK_BRANCH="${{ github.event.inputs.boostlook_branch || 'master' }}"
+          BOOSTLOOK_BRANCH="${{ (startsWith(github.ref, 'refs/heads/develop') && 'develop') || 'master' }}"
+          export BOOSTLOOK_BRANCH
           ./build.sh
 
       - name: Setup Ninja
diff --git a/antora-ui/gulp.d/tasks/build.js b/antora-ui/gulp.d/tasks/build.js
index 3735f54..5ba0f3d 100644
--- a/antora-ui/gulp.d/tasks/build.js
+++ b/antora-ui/gulp.d/tasks/build.js
@@ -244,10 +244,6 @@ function getAllTasks (opts, sourcemaps, postcssPlugins, preview, src) {
 
     In CI, the file won't be available so it always
     uses the most recent version.
-
-    CSS Branch handling:
-    - master: Uses production version of boostlook styling
-    - develop: Uses Tino Agency's redesign work for staging deployment
  */
 async function fetchBoostlookCss () {
   log('Fetching boostlook.css file...')
@@ -255,8 +251,7 @@ async function fetchBoostlookCss () {
   const cssDir = ospath.join(__dirname, '..', '..', 'src', 'css')
   const cssFilePath = ospath.join(cssDir, 'boostlook.css')
   const boostlookBranch = process.env.BOOSTLOOK_BRANCH || 'master'
-  const sourceFilename = boostlookBranch === 'develop' ? 'boostlook_tino.css' : 'boostlook.css'
-  const url = `https://raw.githubusercontent.com/boostorg/boostlook/${boostlookBranch}/${sourceFilename}`
+  const url = `https://raw.githubusercontent.com/boostorg/boostlook/${boostlookBranch}/boostlook.css`
 
   if (skipBoostlook) {
     log('Skipping boostlook.css download due to --skip-boostlook flag.')