diff --git a/.github/workflows/pull-requests.yaml b/.github/workflows/pull-requests.yaml
index edc8b923..b9b7b0ac 100644
--- a/.github/workflows/pull-requests.yaml
+++ b/.github/workflows/pull-requests.yaml
@@ -71,18 +71,6 @@ jobs:
           name: pr-patch
           path: _out/assets/pr.patch
      
-      - name: Upload CRDs
-        uses: actions/upload-artifact@v4
-        with:
-          name: cozystack-crds
-          path: _out/assets/cozystack-crds.yaml
-
-      - name: Upload operator
-        uses: actions/upload-artifact@v4
-        with:
-          name: cozystack-operator
-          path: _out/assets/cozystack-operator-talos.yaml
-
       - name: Upload Talos image
         uses: actions/upload-artifact@v4
         with:
@@ -94,8 +82,6 @@ jobs:
     runs-on: ubuntu-latest
     if: contains(github.event.pull_request.labels.*.name, 'release')
     outputs:
-      crds_id:      ${{ steps.fetch_assets.outputs.crds_id }}
-      operator_id:  ${{ steps.fetch_assets.outputs.operator_id }}
       disk_id:      ${{ steps.fetch_assets.outputs.disk_id }}
 
     steps:
@@ -139,15 +125,11 @@ jobs:
               return;
             }
             const find = (n) => draft.assets.find(a => a.name === n)?.id;
-            const crdsId     = find('cozystack-crds.yaml');
-            const operatorId = find('cozystack-operator-talos.yaml');
             const diskId     = find('nocloud-amd64.raw.xz');
-            if (!crdsId || !operatorId || !diskId) {
+            if (!diskId) {
               core.setFailed('Required assets missing in draft release');
               return;
             }
-            core.setOutput('crds_id',     crdsId);
-            core.setOutput('operator_id', operatorId);
             core.setOutput('disk_id',     diskId);
 
 
@@ -174,20 +156,6 @@ jobs:
           name: talos-image
           path: _out/assets
 
-      - name: "Download CRDs (regular PR)"
-        if: "!contains(github.event.pull_request.labels.*.name, 'release')"
-        uses: actions/download-artifact@v4
-        with:
-          name: cozystack-crds
-          path: _out/assets
-
-      - name: "Download operator (regular PR)"
-        if: "!contains(github.event.pull_request.labels.*.name, 'release')"
-        uses: actions/download-artifact@v4
-        with:
-          name: cozystack-operator
-          path: _out/assets
-
       - name: Download PR patch
         if: "!contains(github.event.pull_request.labels.*.name, 'release')"
         uses: actions/download-artifact@v4
@@ -208,12 +176,6 @@ jobs:
           curl -sSL -H "Authorization: token ${GH_PAT}" -H "Accept: application/octet-stream" \
             -o _out/assets/nocloud-amd64.raw.xz \
             "https://api.github.com/repos/${GITHUB_REPOSITORY}/releases/assets/${{ needs.resolve_assets.outputs.disk_id }}"
-          curl -sSL -H "Authorization: token ${GH_PAT}" -H "Accept: application/octet-stream" \
-            -o _out/assets/cozystack-crds.yaml \
-            "https://api.github.com/repos/${GITHUB_REPOSITORY}/releases/assets/${{ needs.resolve_assets.outputs.crds_id }}"
-          curl -sSL -H "Authorization: token ${GH_PAT}" -H "Accept: application/octet-stream" \
-            -o _out/assets/cozystack-operator-talos.yaml \
-            "https://api.github.com/repos/${GITHUB_REPOSITORY}/releases/assets/${{ needs.resolve_assets.outputs.operator_id }}"
         env:
           GH_PAT: ${{ secrets.GH_PAT }}
 
diff --git a/hack/e2e-install-cozystack.bats b/hack/e2e-install-cozystack.bats
index 1abb691f..36329e93 100644
--- a/hack/e2e-install-cozystack.bats
+++ b/hack/e2e-install-cozystack.bats
@@ -1,25 +1,22 @@
 #!/usr/bin/env bats
 
-@test "Required installer assets exist" {
-  if [ ! -f _out/assets/cozystack-crds.yaml ]; then
-    echo "Missing: _out/assets/cozystack-crds.yaml" >&2
-    exit 1
-  fi
-  if [ ! -f _out/assets/cozystack-operator-talos.yaml ]; then
-    echo "Missing: _out/assets/cozystack-operator-talos.yaml" >&2
+@test "Required installer chart exists" {
+  if [ ! -f packages/core/installer/Chart.yaml ]; then
+    echo "Missing: packages/core/installer/Chart.yaml" >&2
     exit 1
   fi
 }
 
 @test "Install Cozystack" {
-  # Create namespace
-  kubectl create namespace cozy-system --dry-run=client -o yaml | kubectl apply -f -
+  # Install cozy-installer chart
+  helm upgrade installer packages/core/installer \
+    --install \
+    --namespace cozy-system \
+    --create-namespace \
+    --wait \
+    --timeout 2m
 
-  # Apply installer manifests (CRDs + operator)
-  kubectl apply -f _out/assets/cozystack-crds.yaml
-  kubectl apply -f _out/assets/cozystack-operator-talos.yaml
-
-  # Wait for the operator deployment to become available
+  # Verify the operator deployment is available
   kubectl wait deployment/cozystack-operator -n cozy-system --timeout=1m --for=condition=Available
 
   # Create platform Package with isp-full variant
diff --git a/packages/core/testing/Makefile b/packages/core/testing/Makefile
index 2fb41eba..35897909 100644
--- a/packages/core/testing/Makefile
+++ b/packages/core/testing/Makefile
@@ -30,17 +30,13 @@ test: test-cluster test-openapi test-apps ## Run the end-to-end tests in existin
 copy-nocloud-image:
 	docker cp ../../../_out/assets/nocloud-amd64.raw.xz "${SANDBOX_NAME}":/workspace/_out/assets/nocloud-amd64.raw.xz
 
-copy-installer-manifest:
-	docker cp ../../../_out/assets/cozystack-crds.yaml "${SANDBOX_NAME}":/workspace/_out/assets/cozystack-crds.yaml
-	docker cp ../../../_out/assets/cozystack-operator-talos.yaml "${SANDBOX_NAME}":/workspace/_out/assets/cozystack-operator-talos.yaml
-
 prepare-cluster: copy-nocloud-image
 	docker exec "${SANDBOX_NAME}" sh -c 'cd /workspace && hack/cozytest.sh hack/e2e-prepare-cluster.bats'
 
-install-cozystack: copy-installer-manifest
+install-cozystack:
 	docker exec "${SANDBOX_NAME}" sh -c 'cd /workspace && hack/cozytest.sh hack/e2e-install-cozystack.bats'
 
-test-cluster: copy-nocloud-image copy-installer-manifest ## Run the end-to-end for creating a cluster
+test-cluster: copy-nocloud-image ## Run the end-to-end for creating a cluster
 	docker exec "${SANDBOX_NAME}" sh -c 'cd /workspace && hack/cozytest.sh hack/e2e-cluster.bats'
 
 test-openapi: