diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 160e93a..a81038b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -495,9 +495,6 @@ jobs:
           - { arch: aarch64, target_arch: aarch64 }
     runs-on: ${{startsWith(matrix.arch, 'a') && 'windows-11-arm' || 'windows-latest'}}
     steps:
-      - name: Install dependencies
-        run: |
-          choco install ninja
       - uses: actions/download-artifact@v4
         with:
           name: windows-ucrt-${{matrix.arch}}-toolchain
@@ -557,9 +554,6 @@ jobs:
           - { arch: aarch64 }
     runs-on: ${{startsWith(matrix.arch, 'a') && 'windows-11-arm' || 'windows-latest'}}
     steps:
-      - name: Install dependencies
-        run: |
-          choco install ninja
       - uses: actions/download-artifact@v4
         with:
           name: windows-ucrt-${{matrix.arch}}-toolchain
@@ -623,9 +617,6 @@ jobs:
           - aarch64
     runs-on: ${{startsWith(matrix.arch, 'a') && 'windows-11-arm' || 'windows-latest'}}
     steps:
-      - name: Install dependencies
-        run: |
-          choco install ninja
       - uses: actions/download-artifact@v4
         with:
           name: windows-ucrt-${{matrix.arch}}-toolchain
diff --git a/.github/workflows/test-libcxx.yml b/.github/workflows/test-libcxx.yml
index 0866444..d7dd164 100644
--- a/.github/workflows/test-libcxx.yml
+++ b/.github/workflows/test-libcxx.yml
@@ -49,9 +49,6 @@ jobs:
           - { arch: aarch64, target_arch: aarch64 }
     runs-on: ${{startsWith(matrix.arch, 'a') && 'windows-11-arm' || 'windows-latest'}}
     steps:
-      - name: Install dependencies
-        run: |
-          choco install ninja
       - name: Download toolchain
         uses: dawidd6/action-download-artifact@v10
         with:
diff --git a/.github/workflows/test-llvm.yml b/.github/workflows/test-llvm.yml
index 1ca090c..3dd2af6 100644
--- a/.github/workflows/test-llvm.yml
+++ b/.github/workflows/test-llvm.yml
@@ -48,9 +48,6 @@ jobs:
           - aarch64
     runs-on: ${{startsWith(matrix.arch, 'a') && 'windows-11-arm' || 'windows-latest'}}
     steps:
-      - name: Install dependencies
-        run: |
-          choco install ninja
       - name: Download toolchain
         uses: dawidd6/action-download-artifact@v10
         with: