diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd90103..3171077 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,6 +26,12 @@ jobs:
           bundle exec jekyll build 2> error.log
           cat >&2 error.log
           ( ! grep -qie Error -e Warn error.log )
+      - name: Cache HTMLProofer
+        id: cache-htmlproofer
+        uses: actions/cache@v2
+        with:
+          path: tmp/.htmlproofer
+          key: ${{ runner.os }}-htmlproofer
       - name: HTMLProofer
         run: |
           # Check all links
@@ -35,4 +41,5 @@ jobs:
              --allow-hash-href=true\
              --enforce-https=false\
              --ignore-missing-alt=true\
-             --swap-urls "https\:\/\/scala\.epfl\.ch:"
+             --swap-urls "https\:\/\/scala\.epfl\.ch:"\
+             --cache '{ "timeframe": { "external": "30d" } }'
diff --git a/_contact/03-jenkins-infrastructure.md b/_contact/03-jenkins-infrastructure.md
deleted file mode 100644
index 5ace35e..0000000
--- a/_contact/03-jenkins-infrastructure.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-label: jenkinsInfrastructure
-name: Jenkins Infrastructure
-link: https://scala-webapps.epfl.ch/jenkins/
----
\ No newline at end of file
diff --git a/_data/team-members.yml b/_data/team-members.yml
index 3d9987c..d87f23b 100644
--- a/_data/team-members.yml
+++ b/_data/team-members.yml
@@ -16,7 +16,7 @@ members:
     twitter: julienrf
     photo: /resources/img/julien.png
     contact_for: [education, scalajsBundler, documentationImprovements, collectionsRedesign]
-    active: true
+    active: false
   - member: martin
     name: Martin Odersky
     title: Academic Director
@@ -93,7 +93,7 @@ members:
     github:
     twitter:
     photo: /resources/img/fabien.png
-    contact_for: [jenkinsInfrastructure, serverIssues]
+    contact_for: [serverIssues]
     active: true
   - member: sylvie
     name: Sylvie Buchard