diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 176e10c6dd5..9d838e2f195 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,6 +28,9 @@ jobs:
           - version: '1.6'  # 1.6 LTS (32-bit Linux)
             os: ubuntu-latest
             arch: x86
+          - version: 'nightly'
+            os: ubuntu-latest
+            arch: x64
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
diff --git a/.github/workflows/nightly_ci.yml b/.github/workflows/nightly_ci.yml
deleted file mode 100644
index b41ab950b05..00000000000
--- a/.github/workflows/nightly_ci.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-name: nightly_ci
-on:
-  push:
-    branches:
-      - master
-      - /^release-.*$/
-  pull_request:
-    types: [opened, synchronize, reopened]
-jobs:
-  test:
-    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - version: 'nightly'
-            os: ubuntu-latest
-            arch: x64
-    steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
-        with:
-          version: ${{ matrix.version }}
-          arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
-        env:
-          cache-name: cache-artifacts
-        with:
-          path: ~/.julia/artifacts
-          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-test-${{ env.cache-name }}-
-            ${{ runner.os }}-test-
-            ${{ runner.os }}-
-      - uses: julia-actions/julia-buildpkg@v1
-      - uses: julia-actions/julia-runtest@v1
-        with:
-          depwarn: error