diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 7a9384b..23d4286 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -90,54 +90,10 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
 
-      - name: Install packages (macOS)
-        if: runner.os == 'macOS'
-        run: |
-          echo "MACOSX_DEPLOYMENT_TARGET=$(sw_vers -productVersion)" >> $GITHUB_ENV
-          brew install ninja
-
-      - name: Install packages (Windows)
-        if: runner.os == 'Windows'
-        run: choco install ninja cmake
-
-      - name: Install packages (Ubuntu)
-        if: runner.os == 'Linux'
-        run: |
-          sudo apt update
-          sudo apt install ninja-build -y
-
-      - name: Set up Clang (Ubuntu)
-        if: runner.os == 'Linux'
-        uses: egor-tensin/setup-clang@v1
-        with:
-          version: 17
-
-      - name: Set Env (non-Windows)
-        if: runner.os != 'Windows'
-        # Cannot set dynamic link path from build.rs
-        # So cargo test --lib works, but cargo test --doc fails to load shared library
-        # xref: https://github.com/rust-lang/cargo/issues/4895
-        run: |
-          echo "BLOSC2_INSTALL_PREFIX=$(pwd)/build" >> $GITHUB_ENV
-          echo "LD_LIBRARY_PATH=$(pwd)/build/lib64:$(pwd)/build/lib" >> $GITHUB_ENV
-          echo "DYLD_FALLBACK_LIBRARY_PATH=$(pwd)/build/lib64:$(pwd)/build/lib" >> $GITHUB_ENV
-
-      - name: Set Env (Windows)
-        if: runner.os == 'Windows'
-        # Cannot set dynamic link path from build.rs
-        # So cargo test --lib works, but cargo test --doc fails to load shared library
-        # xref: https://github.com/rust-lang/cargo/issues/4895
-        run: |
-          echo "BLOSC2_INSTALL_PREFIX=${{ github.workspace }}\build" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
-
-          $Env:PATH += ";${{ github.workspace }}\build\lib;${{ github.workspace }}\build\lib64;${{ github.workspace }}\build\bin"
-          echo "PATH=$Env:PATH" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
-
-          $Env:LIBPATH += ";${{ github.workspace }}\build\lib;${{ github.workspace }}\build\lib64;${{ github.workspace }}\build\bin"
-          echo "LIBPATH=$Env:LIBPATH" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
-
-          $Env:LIB += ";${{ github.workspace }}\build\lib;${{ github.workspace }}\build\lib64;${{ github.workspace }}\build\bin"
-          echo "LIB=$Env:LIB" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
-
       - name: Test
+        if: matrix.os != "macos-13"
         run: cargo test
+
+      - name: Test (macos-13)
+        if: matrix.os == "macos-13"
+        run: cargo test --no-default-features  # turn of static linking, fails w/ 'Undefined symbols: __cpu_model'
diff --git a/blosc2-sys/Cargo.toml b/blosc2-sys/Cargo.toml
index 9479eba..0643af8 100644
--- a/blosc2-sys/Cargo.toml
+++ b/blosc2-sys/Cargo.toml
@@ -5,6 +5,15 @@ edition = "2021"
 description = "Bindings to C Blosc2"
 license = "MIT"
 links = "blosc2"
+exclude = [
+    "c-blosc2/compat/**",
+    "c-blosc2/tests/**",
+    "c-blosc2/bench/**",
+    "c-blosc2/internal-complibs/zlib-ng-2.0.7/contrib/**",
+    "c-blosc2/internal-complibs/zlib-ng-2.0.7/examples/**",
+    "c-blosc2/internal-complibs/zlib-ng-2.0.7/doc/**",
+    "c-blosc2/internal-complibs/zstd-1.5.5/legacy/**",
+]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html