diff --git a/src/Module/HTTPException/PageNotFound.php b/src/Module/HTTPException/PageNotFound.php
index 5450250c37..ffc4957879 100644
--- a/src/Module/HTTPException/PageNotFound.php
+++ b/src/Module/HTTPException/PageNotFound.php
@@ -37,26 +37,13 @@ class PageNotFound extends BaseModule
 
 	public function run(ModuleHTTPException $httpException, array $request = []): ResponseInterface
 	{
-		/* The URL provided does not resolve to a valid module.
-		 *
-		 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
-		 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
-		 * we are going to trap this and redirect back to the requested page. As long as you don't have a critical error on your page
-		 * this will often succeed and eventually do the right thing.
-		 *
-		 * Otherwise we are going to emit a 404 not found.
-		 */
+		// The URL provided does not resolve to a valid module.
 		$queryString = $this->server['QUERY_STRING'];
 		// Stupid browser tried to pre-fetch our JavaScript img template. Don't log the event or return anything - just quietly exit.
 		if (!empty($queryString) && preg_match('/{[0-9]}/', $queryString) !== 0) {
 			System::exit();
 		}
 
-		if (!empty($queryString) && ($queryString === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
-			$this->logger->info('index.php: dreamhost_error_hack invoked.', ['Original URI' => $this->server['REQUEST_URI']]);
-			$this->baseUrl->redirect($this->server['REQUEST_URI']);
-		}
-
 		$this->logger->debug('index.php: page not found.', [
 			'request_uri' => $this->server['REQUEST_URI'],
 			'address'     => $this->remoteAddress,