diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 93e2c85c..539b8881 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -18,6 +18,8 @@ jobs:
       - uses: ./.github/actions/setup
       - name: Lint (biome)
         run: bun run lint
+      - name: Unused exports (knip)
+        run: bun run knip
       - name: Lint (architecture)
         run: bun run lint:arch
       - name: Typecheck
@@ -116,7 +118,7 @@ jobs:
 
   # The action bundle runs under node24, so node is installed beside bun. The whole corpus runs on every event:
   # scenarios, then fuzz.
-  e2e-smoke:
+  e2e:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
diff --git a/package.json b/package.json
index cac8d473..f113860b 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "access": "public"
   },
   "scripts": {
-    "check": "bun run lint && bun run lint:arch && bun run check:compat && bun run typecheck && bun run test && bun run build:check",
+    "check": "bun run lint && bun run knip && bun run lint:arch && bun run check:compat && bun run typecheck && bun run test && bun run build:check",
     "check:compat": "bun .github/scripts/check-compat-markers.ts",
     "lint": "bun x biome ci --error-on-warnings .",
     "lint:yaml": "git ls-files -z '*.yml' '*.yaml' | xargs -0 yamllint -s",