diff --git a/package-lock.json b/package-lock.json
index 5ffa5f9c920c..d75306126004 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -154,8 +154,8 @@
         "sass": "^1.52.3",
         "start-server-and-test": "^2.0.3",
         "ts-jest": "29.1.1",
-        "tsx": "4.7.0",
-        "typescript": "^5.2.2",
+        "tsx": "4.7.1",
+        "typescript": "^5.3.3",
         "unist-util-remove": "^4.0.0",
         "unist-util-visit-parents": "6.0.1",
         "website-scraper": "^5.3.1"
@@ -15279,9 +15279,9 @@
       "integrity": "sha512-mSxlJJwl3BMEQCUNnxXBU9jP4JBktcEGhURcPR6VQVlnP0FdDEsIaz0C35dXNGLyRfrATNofF0F5p2KPxQgB+w=="
     },
     "node_modules/tsx": {
-      "version": "4.7.0",
-      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.7.0.tgz",
-      "integrity": "sha512-I+t79RYPlEYlHn9a+KzwrvEwhJg35h/1zHsLC2JXvhC2mdynMv6Zxzvhv5EMV6VF5qJlLlkSnMVvdZV3PSIGcg==",
+      "version": "4.7.1",
+      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.7.1.tgz",
+      "integrity": "sha512-8d6VuibXHtlN5E3zFkgY8u4DX7Y3Z27zvvPKVmLon/D4AjuKzarkUBTLDBgj9iTQ0hg5xM7c/mYiRVM+HETf0g==",
       "dev": true,
       "dependencies": {
         "esbuild": "~0.19.10",
@@ -15430,9 +15430,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.2.2.tgz",
-      "integrity": "sha512-mI4WrpHsbCIcwT9cF4FZvr80QUeKvsUsUvKDoR+X/7XHQH98xYD8YHZg7ANtz2GtZt/CBq2QJ0thkGJMHfqc1w==",
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
+      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
diff --git a/package.json b/package.json
index 59446a416e7a..1b2002e3d83f 100644
--- a/package.json
+++ b/package.json
@@ -375,8 +375,8 @@
     "sass": "^1.52.3",
     "start-server-and-test": "^2.0.3",
     "ts-jest": "29.1.1",
-    "tsx": "4.7.0",
-    "typescript": "^5.2.2",
+    "tsx": "4.7.1",
+    "typescript": "^5.3.3",
     "unist-util-remove": "^4.0.0",
     "unist-util-visit-parents": "6.0.1",
     "website-scraper": "^5.3.1"
diff --git a/src/shielding/middleware/handle-invalid-headers.js b/src/shielding/middleware/handle-invalid-headers.js
index a6cf2df894e1..243fdad7d692 100644
--- a/src/shielding/middleware/handle-invalid-headers.js
+++ b/src/shielding/middleware/handle-invalid-headers.js
@@ -1,8 +1,3 @@
-import statsd from '#src/observability/lib/statsd.js'
-import { errorCacheControl } from '#src/frame/middleware/cache-control.js'
-
-const STATSD_KEY = 'middleware.handle_invalid_headers'
-
 const INVALID_HEADER_KEYS = [
   // Next.js will pick this up and override the status code.
   // We don't want that to happen because `x-invoke-status: 203` can
@@ -15,14 +10,9 @@ const INVALID_HEADER_KEYS = [
 export default function handleInvalidNextPaths(req, res, next) {
   const header = INVALID_HEADER_KEYS.find((key) => req.headers[key])
   if (header) {
-    // This way you can't hammer the backend with invalid requests.
-    // Since the CDN will cache based on the status code not being one
-    // of success, we don't have to worry about this being cached when
-    // the URL is the same but the headers *not invalid*.
-    errorCacheControl(res)
-
-    const tags = [`ip:${req.ip}`, `path:${req.path}`, `header:${header}`]
-    statsd.increment(STATSD_KEY, 1, tags)
+    // There's no point attempting to set a cache-control on this.
+    // The CDN will not cache if the status code is not a success
+    // and not a 404.
 
     return res.status(400).type('text').send('Invalid request headers')
   }
diff --git a/src/shielding/tests/invalid-headers.js b/src/shielding/tests/invalid-headers.js
index 2a28511014d8..240db4b15403 100644
--- a/src/shielding/tests/invalid-headers.js
+++ b/src/shielding/tests/invalid-headers.js
@@ -4,13 +4,9 @@ describe('invalid headers', () => {
   test('400 if containing x-invoke-status (instead of redirecting)', async () => {
     const res = await get('/', { headers: { 'x-invoke-status': '203' } })
     expect(res.statusCode).toBe(400)
-    expect(res.headers['cache-control']).toMatch('public')
-    expect(res.headers['cache-control']).toMatch(/max-age=[1-9]/)
   })
   test('400 if containing x-invoke-status (instead of 200)', async () => {
     const res = await get('/en', { headers: { 'x-invoke-status': '203' } })
     expect(res.statusCode).toBe(400)
-    expect(res.headers['cache-control']).toMatch('public')
-    expect(res.headers['cache-control']).toMatch(/max-age=[1-9]/)
   })
 })