diff --git a/.github/workflows/continuous-disintegration.yml b/.github/workflows/continuous-disintegration.yml
deleted file mode 100644
index 0e62461f0..000000000
--- a/.github/workflows/continuous-disintegration.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: Teardown
-
-on:
-  pull_request_target:
-    types: [closed]
-
-jobs:
-  build:
-    name: Call Azure Pipeline
-    runs-on: ubuntu-latest
-    steps:
-      - name: Get Access Token
-        id: get-access-token
-        run: |
-          echo "ACCESS_TOKEN"=$(curl -X POST -H "Content-Type: application/x-www-form-urlencoded" -d 'client_id=${{ secrets.PR_TEARDWN_SP_CLIENT_ID }}&scope=https%3A%2F%2Fapp.vssps.visualstudio.com%2F.default&client_secret=${{ secrets.PR_TEARDWN_SP_CLIENT_SECRET }}&grant_type=client_credentials' 'https://login.microsoftonline.com/${{ secrets.PR_TENANT_ID }}/oauth2/v2.0/token' | jq -r '.access_token') >> $GITHUB_OUTPUT
-
-      - name: Azure Pipelines Action
-        uses: Azure/pipelines@v1.2
-        with:
-          azure-devops-project-url: 'https://dev.azure.com/NHSD-APIM/API%20Platform'
-          azure-pipeline-name: 'immunisation-fhir-api-pr-teardown'
-          azure-pipeline-variables: '{ "action_pr_number": "${{ github.event.pull_request.number }}" }'
-          azure-devops-token: ${{ steps.get-access-token.outputs.ACCESS_TOKEN }}
diff --git a/.github/workflows/pr-teardown.yml b/.github/workflows/pr-teardown.yml
new file mode 100644
index 000000000..ef5cf53d3
--- /dev/null
+++ b/.github/workflows/pr-teardown.yml
@@ -0,0 +1,73 @@
+name: PR Teardown
+
+on:
+  pull_request:
+    types: [closed]
+  workflow_dispatch:
+    inputs:
+      pr_number:
+        description: The PR number of the environment to teardown e.g pr-123
+        required: true
+        type: string
+
+jobs:
+  teardown:
+    name: PR Teardown
+    runs-on: ubuntu-latest
+    environment:
+      name: dev
+    env:
+      APIGEE_ENVIRONMENT: internal-dev
+      BACKEND_ENVIRONMENT: dev
+      BACKEND_SUB_ENVIRONMENT: pr-${{ github.event_name == 'pull_request' && github.event.pull_request.number || inputs.pr_number }}
+    permissions:
+      id-token: write
+      contents: read
+  
+    steps:
+      - name: Connect to AWS
+        uses: aws-actions/configure-aws-credentials@7474bc4690e29a8392af63c5b98e7449536d5c3a
+        with:
+          aws-region: eu-west-2
+          role-to-assume: arn:aws:iam::${{ vars.AWS_ACCOUNT_ID }}:role/auto-ops
+          role-session-name: github-actions
+
+      - name: Whoami
+        run: aws sts get-caller-identity
+
+      - name: Checkout
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        
+      - uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd
+        with:
+          terraform_version: "1.12.2"
+
+      - name: Terraform Init and extract MNS SQS QUEUE ARN
+        working-directory: ${{ vars.TERRAFORM_DIR_PATH }}
+        run: |
+          make init apigee_environment=$APIGEE_ENVIRONMENT environment=$BACKEND_ENVIRONMENT sub_environment=$BACKEND_SUB_ENVIRONMENT
+          make workspace apigee_environment=$APIGEE_ENVIRONMENT environment=$BACKEND_ENVIRONMENT sub_environment=$BACKEND_SUB_ENVIRONMENT
+          echo "ID_SYNC_QUEUE_ARN=$(make -s output name=id_sync_queue_arn)" >> $GITHUB_ENV
+
+      - name: Install poetry
+        run: pip install poetry==2.1.4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+          cache: 'poetry'
+
+      - name: Unsubscribe MNS
+        working-directory: './lambdas/mns_subscription'
+        env:
+          SQS_ARN: ${{ env.ID_SYNC_QUEUE_ARN }}
+        run: |
+          poetry install --no-root
+
+          echo "Unsubscribing SQS to MNS for notifications..."
+          make unsubscribe
+
+      - name: Terraform Destroy
+        working-directory: ${{ vars.TERRAFORM_DIR_PATH }}
+        run: |
+          make destroy apigee_environment=$APIGEE_ENVIRONMENT environment=$BACKEND_ENVIRONMENT sub_environment=$BACKEND_SUB_ENVIRONMENT
diff --git a/azure/azure-pr-teardown-pipeline.yml b/azure/azure-pr-teardown-pipeline.yml
deleted file mode 100644
index 0051c39c0..000000000
--- a/azure/azure-pr-teardown-pipeline.yml
+++ /dev/null
@@ -1,81 +0,0 @@
-name: "$(SourceBranchName)+$(BuildID)"
-
-trigger: none
-pr: none
-
-resources:
-  repositories:
-    - repository: common
-      type: github
-      name: NHSDigital/api-management-utils
-      ref: refs/heads/edge
-      endpoint: NHSDigital
-
-variables:
-  - template: project.yml
-
-jobs:
-  - job: teardown
-    displayName: PR Teardown
-    timeoutInMinutes: 30
-    pool:
-      name: 'AWS-ECS'
-      vmImage: 'ubuntu-latest'
-    steps:
-      - checkout: self
-
-      - bash: |
-          echo $(action_pr_number)
-          WORKSPACE="pr-"$(ACTION_PR_NUMBER)
-          echo $WORKSPACE
-          echo "##vso[task.setvariable variable=WORKSPACE]$WORKSPACE"
-          echo "##vso[task.setvariable variable=ACTION_PR_NUMBER]$(ACTION_PR_NUMBER)"
-        displayName: Set workspace tag
-
-      - template: ./templates/aws-assume-role.yml
-        parameters:
-            role: "auto-ops"
-            profile: "apim-dev"
-            aws_account: "dev"
-
-      - bash: |
-          echo "##vso[task.setvariable variable=AWS_DEFAULT_REGION]eu-west-2"
-          echo "##vso[task.setvariable variable=APIGEE_ENVIRONMENT]internal-dev"
-        displayName: Set AWS default region and Terraform state bucket
-
-      - bash: |
-          export AWS_PROFILE=apim-dev
-
-          cd terraform
-          make init apigee_environment=internal-dev environment=dev sub_environment="$WORKSPACE"
-          make workspace apigee_environment=internal-dev environment=dev sub_environment="$WORKSPACE"
-
-          # Extract values from Terraform state before destroying
-          ID_SYNC_QUEUE_ARN=$(make -s output name=id_sync_queue_arn)
-          echo "##vso[task.setvariable variable=ID_SYNC_QUEUE_ARN]$ID_SYNC_QUEUE_ARN"
-        displayName: "Init Terraform and extract MNS values"
-
-      - bash: |
-          export AWS_PROFILE=apim-dev
-          cd lambdas/mns_subscription
-
-          echo "unsubscribing SQS Queue from MNS notifications."
-          pyenv install -s 3.11.11
-          pyenv local 3.11.11
-          echo "Setting up poetry environment..."
-          poetry env use 3.11
-          poetry install --no-root
-
-          echo "unsubscribing SQS to MNS for notifications.."
-          make unsubscribe
-        displayName: "Unsubscribe MNS"
-        env:
-          SQS_ARN: "$(ID_SYNC_QUEUE_ARN)"
-
-      - bash: |
-          export AWS_PROFILE=apim-dev
-
-          cd terraform
-          make destroy apigee_environment=internal-dev environment=dev sub_environment="$WORKSPACE"
-        displayName: Destroy terraform PR workspace and linked resources
-        retryCountOnTaskFailure: 2