diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ed1d54f..9924ad3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     name: asdf plugin test
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - name: asdf_plugin_test
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 898912d..e7e5f9e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -23,16 +23,3 @@ jobs:
           shellcheck --version
       - name: Shellcheck
         run: shellcheck -x bin/* -P lib/
-
-  shfmt:
-    runs-on: macos-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: Install shfmt
-        run: brew install shfmt
-
-      - name: Run shfmt
-        run: shfmt -d -i 2 -ci .
diff --git a/lib/utils.bash b/lib/utils.bash
index 831869c..05dc191 100755
--- a/lib/utils.bash
+++ b/lib/utils.bash
@@ -37,7 +37,6 @@ download_release() {
 
   case "$(uname -s)" in
     Linux*) platform=linux ;;
-    Darwin*) platform=macos ;;
   esac
 
   case "$(uname -m)" in