diff --git a/cli/bench/http/deno_http_serve_https.js b/cli/bench/http/deno_http_serve_https.js
deleted file mode 100644
index 17b4033945..0000000000
--- a/cli/bench/http/deno_http_serve_https.js
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
-
-const addr = Deno.args[0] ?? "127.0.0.1:4500";
-const [hostname, port] = addr.split(":");
-const { serve } = Deno;
-
-function readFileSync(file) {
-  return Deno.readTextFileSync(new URL(file, import.meta.url).pathname);
-}
-
-const CERT = readFileSync("../../tests/testdata/tls/localhost.crt");
-const KEY = readFileSync("../../tests/testdata/tls/localhost.key");
-
-function handler() {
-  return new Response("Hello World");
-}
-
-serve({ hostname, port, reusePort: true, cert: CERT, key: KEY }, handler);
diff --git a/cli/bench/lsp_bench_standalone.rs b/cli/bench/lsp_bench_standalone.rs
index 60d5be2d17..b3b1f2d920 100644
--- a/cli/bench/lsp_bench_standalone.rs
+++ b/cli/bench/lsp_bench_standalone.rs
@@ -11,7 +11,7 @@ use test_util::lsp::LspClientBuilder;
 // Intended to match the benchmark in quick-lint-js
 // https://github.com/quick-lint/quick-lint-js/blob/35207e6616267c6c81be63f47ce97ec2452d60df/benchmark/benchmark-lsp/lsp-benchmarks.cpp#L223-L268
 fn incremental_change_wait(bench: &mut Bencher) {
-  let mut client = LspClientBuilder::new().build();
+  let mut client = LspClientBuilder::new().use_diagnostic_sync(false).build();
   client.initialize_default();
 
   client.write_notification(