diff --git a/legacy-pipelines/build-packages.yml b/legacy-pipelines/build-packages.yml
deleted file mode 100644
index 76f46ad2b7..0000000000
--- a/legacy-pipelines/build-packages.yml
+++ /dev/null
@@ -1,76 +0,0 @@
-# Node.js
-# Build a general Node.js project with npm.
-# Add steps that analyze code, save build artifacts, deploy, and more:
-# https://docs.microsoft.com/azure/devops/pipelines/languages/javascript
-
-#trigger only "by hand"
-trigger: none
-pr: none
-
-pool:
-  vmImage: "ubuntu-latest"
-
-jobs:
-- job: JqueryUIPreact
-  steps:
-    - checkout: self
-      persistCredentials: true
-      clean: true
-
-    - task: NodeTool@0
-      inputs:
-        versionSpec: "14.x"
-      displayName: "Install Node.js"
-
-    - task: CopyFiles@2
-      inputs:
-        SourceFolder: "$(Build.SourcesDirectory)/"
-        Contents: "package.json"
-        TargetFolder: "$(Build.SourcesDirectory)/Temp/"
-        OverWrite: true
-      displayName: "Copy package.json for cache key"
-
-    - task: Cache@2
-      inputs:
-        key: 'npm-cache-library | $(Build.SourcesDirectory)/Temp/package.json'
-        path: $(Build.SourcesDirectory)/node_modules
-        cacheHitVar: NPM_CACHE_RESTORED
-      displayName: Cache NPMs
-
-    - task: Npm@1
-      displayName: 'NPM install'
-      inputs:
-        command: install
-        verbose: false
-      condition: ne(variables.NPM_CACHE_RESTORED, 'true')
-
-    - script: |
-        npm run build_core
-        npm run build_i18n
-        npm run build-plugins
-      displayName: "Build Core"
-
-    - script: |
-        npm run build_jquery_ui_prod
-      displayName: "Build jquery-ui_prod"
-
-    - script: |
-        npm run test:postcss
-      displayName: "check postcss compatibility"
-
-    - script: |
-        npm run testsingle
-      displayName: "run unit tests"
-    
-    - script: |
-        npm run lint
-      displayName: "eslint check"
-
-    # - script: |
-    #     npm run test:jquery-ui:single
-    #   displayName: "run markup tests"
-
-    - script: |
-        npm run testcafe:jquery-ui
-      displayName: "run functional tests"
-