diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 91b41eac..8121a54d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,7 +22,6 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 2
-          ref: ${{ github.head_ref }}
 
       - name: Set up Node.js
         uses: actions/setup-node@v1
@@ -87,7 +86,6 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 2
-          ref: ${{ github.head_ref }}
 
       - name: Set up Node.js
         uses: actions/setup-node@v1
@@ -122,7 +120,6 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 2
-          ref: ${{ github.head_ref }}
 
       - name: Set up Node.js
         uses: actions/setup-node@v1