diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 7f4bb2ec..c0a253d1 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -42,17 +42,6 @@ jobs:
           push: true
           tags: |
             quay.io/acend/kubernetes-basics-training:pr-${{ github.event.pull_request.number }}
-      -
-        name: Build Mobi Version
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          file: ./Dockerfile
-          build-args: |
-            TRAINING_HUGO_ENV=mobi
-          push: true
-          tags: |
-            quay.io/acend/kubernetes-basics-training:pr-${{ github.event.pull_request.number }}-mobi
       -
         name: Build OpenShift Version
         uses: docker/build-push-action@v6
@@ -148,7 +137,6 @@ jobs:
           TRAINING_NAMESPACE: 'acend-kubernetes-basics-training-test'
         run: |
           kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-acend --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
-          kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-mobi --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
           kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-openshift --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
           kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-baloise --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
           kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-sbb --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
@@ -162,7 +150,6 @@ jobs:
           message: |
            PR environments:
            * [acend](https://kubernetes-basics-pr-${{ github.event.pull_request.number }}.training.acend.ch)
-           * [Mobi](https://kubernetes-basics-mobi-pr-${{ github.event.pull_request.number }}.training.puzzle.ch)
            * [OpenShift](https://openshift-basics-pr-${{ github.event.pull_request.number }}.training.acend.ch)
            * [OpenShift Baloise](https://openshift-basics-baloise-pr-${{ github.event.pull_request.number }}.training.acend.ch)
            * [OpenShift SBB](https://openshift-basics-sbb-pr-${{ github.event.pull_request.number }}.training.acend.ch)
diff --git a/.github/workflows/pr-cleanup.yaml b/.github/workflows/pr-cleanup.yaml
index aa99970f..130827bc 100644
--- a/.github/workflows/pr-cleanup.yaml
+++ b/.github/workflows/pr-cleanup.yaml
@@ -45,7 +45,7 @@ jobs:
           QUAYIO_API_TOKEN: '${{ secrets.QUAYIO_API_TOKEN }}'
           REPOSITORY: '${{ github.repository }}'
         run: |
-          curl -X DELETE -H "Authorization: Bearer ${QUAYIO_API_TOKEN}" https://quay.io/api/v1/repository/${REPOSITORY}/tag/pr-${PR_NUMBER}{,-mobi,-openshift,-sbb,-bfh}
+          curl -X DELETE -H "Authorization: Bearer ${QUAYIO_API_TOKEN}" https://quay.io/api/v1/repository/${REPOSITORY}/tag/pr-${PR_NUMBER}{-openshift,-sbb,-bfh}
       -
         name: Delete tags in quay.io appuio organization
         id: delete_tags_appuio
diff --git a/.github/workflows/push-main.yaml b/.github/workflows/push-main.yaml
index 87ac9ff5..cb405ca9 100644
--- a/.github/workflows/push-main.yaml
+++ b/.github/workflows/push-main.yaml
@@ -44,17 +44,6 @@ jobs:
           push: true
           tags: |
             quay.io/acend/kubernetes-basics-training:latest
-      -
-        name: Build Mobi Version
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          file: ./Dockerfile
-          build-args: |
-            TRAINING_HUGO_ENV=mobi
-          push: true
-          tags: |
-            quay.io/acend/kubernetes-basics-training:latest-mobi
       -
         name: Build OpenShift Version
         uses: docker/build-push-action@v6
@@ -150,7 +139,6 @@ jobs:
           TRAINING_NAMESPACE: 'acend-kubernetes-basics-training-prod'
         run: |
           kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-acend --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
-          kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-mobi --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
           kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-openshift --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
           kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-baloise --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
           kubectl rollout restart deployment/${TRAINING_HELM_RELEASE}-${TRAINING_HELM_NAME}-sbb --kubeconfig $HOME/.kube/config --namespace $TRAINING_NAMESPACE
diff --git a/config/mobi/config.toml b/config/mobi/config.toml
deleted file mode 100644
index 72c62206..00000000
--- a/config/mobi/config.toml
+++ /dev/null
@@ -1,56 +0,0 @@
-[module]
-  [module.hugoVersion]
-    extended = true
-    min = "0.100.0"
-  [[module.imports]]
-    path = "github.com/puzzle/docsy-puzzle"
-    disable = false
-  [[module.imports]]
-    path = "github.com/acend/docsy-plus"
-    disable = false
-  [[module.imports]]
-    path = "github.com/google/docsy"
-    disable = false
-  [[module.imports]]
-    path = "github.com/google/docsy/dependencies"
-    disable = false
-
-[params]
-enabledModule = "base mobi"
-copyright = "Puzzle ITC GmbH"
-imagePrefix = "puzzle_"
-customer = "mobi"
-
-[[Languages.en.menu.main]]
-copyright = "Puzzle ITC GmbH"
-url = "https://www.puzzle.ch"
-
-[params.replaceContent]
-allowedHrefHosts = ['localhost', 'puzzle.ch', 'acend.ch']
-
-[[params.replaceContent.placeholders]]
-placeholder = "<namespace>"
-queryParam = "n"
-defaultValue = "$USER"
-
-[[params.replaceContent.placeholders]]
-placeholder = "<appdomain>"
-queryParam = "a"
-defaultValue = "<appdomain>"
-
-############################## social links ##############################
-[params.links]
-[[params.links.developer]]
-name = "GitHub"
-icon = "fab fa-github"
-url = "https://github.com/acend/kubernetes-basics-training"
-
-[[params.links.user]]
-name = "Twitter"
-icon = "fab fa-twitter"
-url = "https://twitter.com/puzzleitc"
-
-[[params.links.user]]
-name = "LinkedIn"
-icon = "fab fa-linkedin-in"
-url = "https://linkedin.com/company/puzzle-itc/"
diff --git a/content/en/materials/_index.md b/content/en/materials/_index.md
index 7f426f9f..f37f6757 100644
--- a/content/en/materials/_index.md
+++ b/content/en/materials/_index.md
@@ -11,7 +11,6 @@ menu:
 {{% onlyWhenNot bfh %}}
 
 {{% onlyWhenNot openshift %}}
-{{% onlyWhenNot mobi %}}
 {{% blocks/feature icon="fa-magic" url="https://acend.ch/documents/acend_kubectl-cheat-sheet_v1.pdf" title="kubectl Cheat Sheet" %}}
 {{% /blocks/feature %}}
 
@@ -20,14 +19,6 @@ menu:
 
 {{% blocks/feature icon="fa-chalkboard-teacher" url="https://drive.google.com/uc?export=download&id=17sqbsjMPzAnYAKzEhL5waxPg8_N2xsZa" title="Kubernetes Architecture" %}}
 {{% /blocks/feature %}}
-{{% /onlyWhenNot %}}
-{{% onlyWhen mobi %}}
-{{% blocks/feature icon="fa-chalkboard-teacher" url="https://drive.google.com/uc?export=download&id=1qeb_Nmyj8016sRJaL0CGfuAi2LIwoTF2" title="Kubernetes Basics" %}}
-{{% /blocks/feature %}}
-
-{{% blocks/feature icon="fa-chalkboard-teacher" url="https://drive.google.com/uc?export=download&id=1M4txDY3UhzqWr4HLn5UXFibv2umbfx3d" title="Kubernetes Architecture" %}}
-{{% /blocks/feature %}}
-{{% /onlyWhen %}}
 {{% blocks/feature icon="fa-chalkboard-teacher" url="https://www.cncf.io/wp-content/uploads/2018/03/CNCF-Presentation-Template-K8s-Deployment.pdf" title="Kubernetes Deployment Strategies" %}}
 {{% /blocks/feature %}}
 
diff --git a/content/en/pdf/header.md b/content/en/pdf/header.md
index 906f6c7e..88c1c253 100644
--- a/content/en/pdf/header.md
+++ b/content/en/pdf/header.md
@@ -5,6 +5,6 @@ weight: 10
 
 <!-- markdownlint-disable MD033 -->
 <div class="pdf-header">
-<p>{{< site_title >}} - {{% onlyWhen mobi %}}Puzzle ITC GmbH{{% /onlyWhen %}}{{% onlyWhenNot mobi %}}acend gmbh{{% /onlyWhenNot %}}</p>
+<p>{{< site_title >}} - acend gmbh</p>
 </div>
 <!-- markdownlint-enable MD033 -->
diff --git a/helm-chart/values.yaml b/helm-chart/values.yaml
index 80d56638..495b439e 100644
--- a/helm-chart/values.yaml
+++ b/helm-chart/values.yaml
@@ -13,18 +13,6 @@ acendTraining:
         secretOverride: acend-wildcard
         appname: kubernetes-basics
         domain: training.acend.ch
-    - 
-      name: mobi
-      replicaCount: 2
-      image:
-        repository: quay.io/acend/kubernetes-basics-training
-        pullPolicy: Always
-        tag: ""
-        tagsuffix: "-mobi"
-      ingress:
-        secretOverride: acend-wildcard
-        appname: kubernetes-basics-mobi
-        domain: training.puzzle.ch
     -
       name: openshift
       replicaCount: 2