diff --git a/.changeset/famous-moons-kick.md b/.changeset/famous-moons-kick.md
new file mode 100644
index 000000000..410d1f83e
--- /dev/null
+++ b/.changeset/famous-moons-kick.md
@@ -0,0 +1,6 @@
+---
+'astro': patch
+'@astrojs/markdown-remark': patch
+---
+
+Tooling: reintroduce smoke test across example projects
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f37251843..e6d59eb0f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -180,16 +180,21 @@ jobs:
     needs: build
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest]
         node_version: [14]
     steps:
-      - name: Checkout
+      - name: Checkout docs
         uses: actions/checkout@v3
         with:
-          submodules: 'recursive'
+          repository: withastro/docs
 
-      - name: Update submodules
-        run: git submodule update --remote
+      - name: Checkout astro.build
+        uses: actions/checkout@v3
+        with:
+          repository: withastro/astro.build
+
+      - name: Checkout
+        uses: actions/checkout@v3
 
       - name: Setup PNPM
         uses: pnpm/action-setup@v2.2.1
@@ -201,7 +206,7 @@ jobs:
           cache: 'pnpm'
 
       - name: Install dependencies
-        run: pnpm install --no-frozen-lockfile
+        run: pnpm install
 
       - name: Build Packages
         run: pnpm run build
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 28a12af2d..000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,8 +0,0 @@
-[submodule "smoke/docs"]
-	path = smoke/docs
-	url = git@github.com:withastro/docs.git
-  branch = main
-[submodule "smoke/astro.build"]
-	path = smoke/astro.build
-	url = git@github.com:withastro/astro.build.git
-	branch = main
diff --git a/examples/with-mdx/src/pages/index.mdx b/examples/with-mdx/src/pages/index.mdx
index 36cde1e95..b82572b48 100644
--- a/examples/with-mdx/src/pages/index.mdx
+++ b/examples/with-mdx/src/pages/index.mdx
@@ -14,4 +14,4 @@ Written by: {new Intl.ListFormat('en').format(authors.map(d => d.name))}.
 
 Published on: {new Intl.DateTimeFormat('en', {dateStyle: 'long'}).format(published)}.
 
-<Counter client:idle>## This is a counter!</Counter>
+<Counter>## This is a counter!</Counter>
diff --git a/package.json b/package.json
index 71e246956..e55c59a1c 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "test": "turbo run test --output-logs=new-only --concurrency=1",
     "test:match": "cd packages/astro && pnpm run test:match",
     "test:templates": "turbo run test --filter=create-astro --concurrency=1",
-    "test:smoke": "node scripts/smoke/index.js",
+    "test:smoke": "turbo run build --filter=\"@example/*\" --output-logs=new-only",
     "test:vite-ci": "turbo run test --output-logs=new-only --no-deps --scope=astro --concurrency=1",
     "test:e2e": "cd packages/astro && pnpm playwright install && pnpm run test:e2e",
     "test:e2e:match": "cd packages/astro && pnpm playwright install && pnpm run test:e2e:match",
diff --git a/packages/astro/package.json b/packages/astro/package.json
index 4d8fc426f..a19f50092 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -108,6 +108,7 @@
     "estree-walker": "^3.0.1",
     "execa": "^6.1.0",
     "fast-glob": "^3.2.11",
+    "github-slugger": "^1.4.0",
     "gray-matter": "^4.0.3",
     "html-entities": "^2.3.3",
     "html-escaper": "^3.0.3",
diff --git a/packages/astro/src/vite-plugin-markdown/index.ts b/packages/astro/src/vite-plugin-markdown/index.ts
index c2078d937..ffaa8afc7 100644
--- a/packages/astro/src/vite-plugin-markdown/index.ts
+++ b/packages/astro/src/vite-plugin-markdown/index.ts
@@ -161,12 +161,17 @@ export default function markdown({ config }: AstroPluginOptions): Plugin {
 				const { layout = '', components = '', setup = '', ...content } = frontmatter;
 				content.astro = metadata;
 				const prelude = `---
-import { slug as $$slug } from '@astrojs/markdown-remark/ssr-utils';
+import Slugger from 'github-slugger';
 ${layout ? `import Layout from '${layout}';` : ''}
 ${components ? `import * from '${components}';` : ''}
 ${hasInjectedScript ? `import '${PAGE_SSR_SCRIPT_ID}';` : ''}
 ${setup}
 
+const slugger = new Slugger();
+function $$slug(value) {
+	return slugger.slug(value);
+}
+
 const $$content = ${JSON.stringify(content)}
 ---`;
 				const imports = `${layout ? `import Layout from '${layout}';` : ''}
diff --git a/packages/markdown/remark/package.json b/packages/markdown/remark/package.json
index 2ba4f64ad..1c943c9b7 100644
--- a/packages/markdown/remark/package.json
+++ b/packages/markdown/remark/package.json
@@ -13,8 +13,7 @@
   "homepage": "https://astro.build",
   "main": "./dist/index.js",
   "exports": {
-    ".": "./dist/index.js",
-    "./ssr-utils": "./dist/ssr-utils.js"
+    ".": "./dist/index.js"
   },
   "scripts": {
     "prepublish": "pnpm build",
diff --git a/packages/markdown/remark/src/ssr-utils.ts b/packages/markdown/remark/src/ssr-utils.ts
deleted file mode 100644
index 1491e24a5..000000000
--- a/packages/markdown/remark/src/ssr-utils.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-/** Utilities used in deployment-ready SSR bundles */
-import Slugger from 'github-slugger';
-
-const slugger = new Slugger();
-/** @see {@link "/packages/astro/vite-plugin-markdown"} */
-export function slug(value: string): string {
-	return slugger.slug(value);
-}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2a61a77b8..8645f31bc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -515,6 +515,7 @@ importers:
       estree-walker: ^3.0.1
       execa: ^6.1.0
       fast-glob: ^3.2.11
+      github-slugger: ^1.4.0
       gray-matter: ^4.0.3
       html-entities: ^2.3.3
       html-escaper: ^3.0.3
@@ -575,6 +576,7 @@ importers:
       estree-walker: 3.0.1
       execa: 6.1.0
       fast-glob: 3.2.11
+      github-slugger: 1.4.0
       gray-matter: 4.0.3
       html-entities: 2.3.3
       html-escaper: 3.0.3