diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a7c3efc..b354079 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,20 +19,7 @@ jobs:
         uses: prefix-dev/setup-pixi@v0.9.0
         with:
           pixi-version: "latest"
-          cache: true  # Cache pixi installation
-      
-      - name: Cache pixi environment
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.pixi
-            .pixi
-          key: ${{ runner.os }}-pixi-${{ hashFiles('pixi.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-pixi-
-      
-      - name: Install dependencies
-        run: pixi install
+          cache: false  # pixi is too large to cache (contains CUDA toolkit)
       
       - name: Check formatting
         run: |
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 14fdd04..7fb18be 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -26,7 +26,8 @@ repos:
       # Run tests (pre-push hook)
       - id: test
         name: Run all tests
-        entry: scripts/test-quiet.sh
+        # reinstall genmetaballs to rebuild C++/CUDA code, then run tests
+        entry: bash -c "pixi reinstall genmetaballs && pixi run test"
         language: system
         pass_filenames: false
         always_run: true
diff --git a/scripts/test-quiet.sh b/scripts/test-quiet.sh
deleted file mode 100755
index 2f4ccc9..0000000
--- a/scripts/test-quiet.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/bash
-# Run tests with minimal output on success, full output on failure
-
-set -e
-
-# Run ctest (not using --quiet to get summary)
-CTEST_OUTPUT=$(pixi run ctest --test-dir build 2>&1)
-CTEST_EXIT=$?
-
-if [ $CTEST_EXIT -ne 0 ]; then
-    echo "$CTEST_OUTPUT"
-    exit 1
-fi
-
-# Extract summary from ctest output (output to stderr so pre-commit shows it)
-echo "C++/CUDA tests:" >&2
-echo "$CTEST_OUTPUT" | grep -E "(tests passed|Test #.*Passed)" | head -2 | sed 's/^/  /' >&2
-
-# Run pytest with quiet flag
-PYTEST_OUTPUT=$(pixi run pytest --quiet 2>&1)
-PYTEST_EXIT=$?
-
-if [ $PYTEST_EXIT -ne 0 ]; then
-    echo "" >&2
-    echo "Python tests:" >&2
-    echo "$PYTEST_OUTPUT" >&2
-    exit 1
-fi
-
-# Extract summary from pytest output (output to stderr so pre-commit shows it)
-echo "Python tests:" >&2
-echo "$PYTEST_OUTPUT" | grep -E "(passed|failed)" | tail -1 | sed 's/^/  /' >&2
-
-exit 0
-