diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index a5bfbc2..07e823a 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -194,48 +194,6 @@ jobs:
           name: wheels-manylinux2014-${{ matrix.target }}
           path: dist
 
-  musllinux_1_2_x86_64:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        target: [x86_64]
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: recursive
-      - uses: actions/setup-python@v5
-        with:
-          python-version: 3.9
-          architecture: x64
-      - name: Build Wheels
-        uses: messense/maturin-action@v1
-        with:
-          rust-toolchain: 1.82.0
-          rustup-components: rustfmt
-          target: ${{ matrix.target }}
-          manylinux: musllinux_1_2
-          args: --release --out dist --interpreter '3.7 3.8 3.9 3.10 3.11 3.12 3.13 pypy3.9 pypy3.10'
-          container: congyuwang/musllinux_1_2_x86_64:llvm-19.1.3
-        env:
-          LIBCLANG_PATH: /usr/local/lib
-          CC: /usr/local/bin/clang
-          CXX: /usr/local/bin/clang++
-          AR: /usr/local/bin/llvm-ar
-          CFLAGS: "-flto=thin -O3"
-          CXXFLAGS: "-flto=thin -O3"
-          RUSTFLAGS: "-Clinker-plugin-lto -Clinker=/usr/local/bin/clang -Clink-arg=-fuse-ld=/usr/local/bin/ld.lld"
-      - name: Install built wheel and test
-        run: |
-          pip install rocksdict --no-index --find-links dist --force-reinstall || true
-          pip install speedict --no-index --find-links dist --force-reinstall || true
-          python -m unittest discover -v test
-      - name: Upload wheels
-        uses: actions/upload-artifact@v4
-        with:
-          name: wheels-musllinux_1_2-${{ matrix.target }}
-          path: dist
-
   manylinux_2_28_arm64:
     runs-on: linux-arm64
     strategy:
@@ -320,48 +278,6 @@ jobs:
           name: wheels-manylinux2014-${{ matrix.target }}
           path: dist
 
-  musllinux_1_2_arm64:
-    runs-on: linux-arm64
-    strategy:
-      fail-fast: false
-      matrix:
-        target: [aarch64]
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: recursive
-      - uses: actions/setup-python@v5
-        with:
-          python-version: 3.9
-          architecture: arm64
-      - name: Build Wheels
-        uses: messense/maturin-action@v1
-        with:
-          rust-toolchain: 1.82.0
-          rustup-components: rustfmt
-          target: ${{ matrix.target }}
-          manylinux: musllinux_1_2
-          args: --release --out dist --interpreter '3.7 3.8 3.9 3.10 3.11 3.12 3.13 pypy3.9 pypy3.10'
-          container: congyuwang/musllinux_1_2_aarch64:llvm-19.1.3
-        env:
-          LIBCLANG_PATH: /usr/local/lib
-          CC: /usr/local/bin/clang
-          CXX: /usr/local/bin/clang++
-          AR: /usr/local/bin/llvm-ar
-          CFLAGS: "-flto=thin -O3"
-          CXXFLAGS: "-flto=thin -O3"
-          RUSTFLAGS: "-Clinker-plugin-lto -Clinker=/usr/local/bin/clang -Clink-arg=-fuse-ld=/usr/local/bin/ld.lld"
-      - name: Install built wheel and test
-        run: |
-          pip install rocksdict --no-index --find-links dist --force-reinstall || true
-          pip install speedict --no-index --find-links dist --force-reinstall || true
-          python -m unittest discover -v test
-      - name: Upload wheels
-        uses: actions/upload-artifact@v4
-        with:
-          name: wheels-musllinux_1_2-${{ matrix.target }}
-          path: dist
-
   release:
     name: Release
     runs-on: ubuntu-latest
@@ -371,10 +287,8 @@ jobs:
         macos,
         manylinux_2_28_x86_64,
         manylinux2014_x86_64,
-        musllinux_1_2_x86_64,
         manylinux_2_28_arm64,
         manylinux2014_arm64,
-        musllinux_1_2_arm64,
       ]
     steps:
       - uses: actions/download-artifact@v4
diff --git a/.github/workflows/PR.yml b/.github/workflows/PR.yml
index 2d980ce..96347f0 100644
--- a/.github/workflows/PR.yml
+++ b/.github/workflows/PR.yml
@@ -194,48 +194,6 @@ jobs:
           name: wheels-manylinux2014-${{ matrix.target }}
           path: dist
 
-  musllinux_1_2_x86_64:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        target: [x86_64]
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: recursive
-      - uses: actions/setup-python@v5
-        with:
-          python-version: 3.9
-          architecture: x64
-      - name: Build Wheels
-        uses: messense/maturin-action@v1
-        with:
-          rust-toolchain: 1.82.0
-          rustup-components: rustfmt
-          target: ${{ matrix.target }}
-          manylinux: musllinux_1_2
-          args: --release --out dist --interpreter '3.7 3.8 3.9 3.10 3.11 3.12 3.13 pypy3.9 pypy3.10'
-          container: congyuwang/musllinux_1_2_x86_64:llvm-19.1.3
-        env:
-          LIBCLANG_PATH: /usr/local/lib
-          CC: /usr/local/bin/clang
-          CXX: /usr/local/bin/clang++
-          AR: /usr/local/bin/llvm-ar
-          CFLAGS: "-flto=thin -O3"
-          CXXFLAGS: "-flto=thin -O3"
-          RUSTFLAGS: "-Clinker-plugin-lto -Clinker=/usr/local/bin/clang -Clink-arg=-fuse-ld=/usr/local/bin/ld.lld"
-      - name: Install built wheel and test
-        run: |
-          pip install rocksdict --no-index --find-links dist --force-reinstall || true
-          pip install speedict --no-index --find-links dist --force-reinstall || true
-          python -m unittest discover -v test
-      - name: Upload wheels
-        uses: actions/upload-artifact@v4
-        with:
-          name: wheels-musllinux_1_2-${{ matrix.target }}
-          path: dist
-
   manylinux_2_28_arm64:
     runs-on: linux-arm64
     strategy:
@@ -319,45 +277,3 @@ jobs:
         with:
           name: wheels-manylinux2014-${{ matrix.target }}
           path: dist
-
-  musllinux_1_2_arm64:
-    runs-on: linux-arm64
-    strategy:
-      fail-fast: false
-      matrix:
-        target: [aarch64]
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: recursive
-      - uses: actions/setup-python@v5
-        with:
-          python-version: 3.9
-          architecture: arm64
-      - name: Build Wheels
-        uses: messense/maturin-action@v1
-        with:
-          rust-toolchain: 1.82.0
-          rustup-components: rustfmt
-          target: ${{ matrix.target }}
-          manylinux: musllinux_1_2
-          args: --release --out dist --interpreter '3.7 3.8 3.9 3.10 3.11 3.12 3.13 pypy3.9 pypy3.10'
-          container: congyuwang/musllinux_1_2_aarch64:llvm-19.1.3
-        env:
-          LIBCLANG_PATH: /usr/local/lib
-          CC: /usr/local/bin/clang
-          CXX: /usr/local/bin/clang++
-          AR: /usr/local/bin/llvm-ar
-          CFLAGS: "-flto=thin -O3"
-          CXXFLAGS: "-flto=thin -O3"
-          RUSTFLAGS: "-Clinker-plugin-lto -Clinker=/usr/local/bin/clang -Clink-arg=-fuse-ld=/usr/local/bin/ld.lld"
-      - name: Install built wheel and test
-        run: |
-          pip install rocksdict --no-index --find-links dist --force-reinstall || true
-          pip install speedict --no-index --find-links dist --force-reinstall || true
-          python -m unittest discover -v test
-      - name: Upload wheels
-        uses: actions/upload-artifact@v4
-        with:
-          name: wheels-musllinux_1_2-${{ matrix.target }}
-          path: dist