diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b97e10c55..cdd572bc2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,8 +9,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-        with:
-          submodules: recursive
       - uses: actions/setup-go@v3
         with:
           go-version-file: ./go.mod
diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index 58b485496..9fc372532 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -14,8 +14,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-        with:
-          submodules: recursive
       - uses: actions/setup-go@v3
         with:
           go-version-file: ./go.mod
diff --git a/make.sh b/make.sh
index 29fa6689b..9f6290641 100755
--- a/make.sh
+++ b/make.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
 set -eu
+if [ ! -d "$(dirname "$0")/ci/sub/.git" ]; then
+  git submodule update --init
+fi
 . "$(dirname "$0")/ci/sub/lib.sh"
 PATH="$(cd -- "$(dirname "$0")" && pwd)/ci/sub/bin:$PATH"
 cd "$(dirname "$0")"