diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1eeda2a95..a8c82e1a1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,6 +41,16 @@ jobs:
       - run: npm run lint:static-site
       - run: node ./scripts/check-resource-index-match.js
 
+  type-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: 'package.json'
+      - run: npm ci
+      - run: npm run type-check:ci
+
   # Build into Heroku slug so we can deploy the same build that we test.
   build:
     runs-on: ubuntu-latest
diff --git a/package.json b/package.json
index 6de3d7c74..ee7baefd4 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,8 @@
     "lint": "npm run lint:server",
     "lint:server": "DEBUG=eslint:cli-engine npx eslint --max-warnings=0 --ext .js,.jsx .",
     "lint:static-site": "cd static-site && DEBUG=eslint:cli-engine npx eslint --max-warnings=0 --ext .js,.jsx,.ts,.tsx .",
+    "type-check": "cd static-site && tsc",
+    "type-check:ci": "npm run build && cd static-site && tsc",
     "server": "node server.js",
     "groups": "node server.js --app ./src/groupsApp.js",
     "start": "npm run server",
diff --git a/static-site/types.d.ts b/static-site/types.d.ts
index 38acd62a2..3041bb4ee 100644
--- a/static-site/types.d.ts
+++ b/static-site/types.d.ts
@@ -1,23 +1,3 @@
-declare module "*.css" {
-  const value: unknown;
-  export default value;
-}
-
-declare module "*.jpg" {
-  const value: { src: string };
-  export default value;
-}
-
-declare module "*.png" {
-  const value: { src: string };
-  export default value;
-}
-
-declare module "*.svg" {
-  const value: { src: string };
-  export default value;
-}
-
 declare module "*.yaml" {
   // Actual type should be set upon import via type assertion.
   const contents: unknown;