diff --git a/package.json b/package.json
index c844d9358..e0338e7f9 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "lerna": "lerna",
     "bootstrap": "lerna bootstrap",
     "prepare": "husky install && lerna run --stream prepack",
-    "dev": "lerna run --stream prepack && lerna run --parallel dev"
+    "dev": "lerna run --parallel dev"
   },
   "devDependencies": {
     "@commitlint/cli": "^13.1.0",
diff --git a/packages/core/.github/workflows/main.yml b/packages/core/.github/workflows/main.yml
deleted file mode 100644
index 8b460f54c..000000000
--- a/packages/core/.github/workflows/main.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  main:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-
-      # https://github.com/actions/cache/blob/main/examples.md#node---yarn
-      - name: Get yarn cache directory path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-
-      - uses: actions/cache@v2
-        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
-        with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
-      
-      - name: Install packages
-        run: yarn
-      
-      - name: Lint
-        run: yarn lint
-        
-      - name: Build
-        run: yarn build