diff --git a/src/cli/cluster/run_kbn_optimizer.ts b/src/cli/cluster/run_kbn_optimizer.ts
index b811fc1f6b294..e4bd6b98dd2b9 100644
--- a/src/cli/cluster/run_kbn_optimizer.ts
+++ b/src/cli/cluster/run_kbn_optimizer.ts
@@ -35,6 +35,7 @@ export function runKbnOptimizer(opts: Record<string, any>, config: LegacyConfig)
     repoRoot: REPO_ROOT,
     watch: true,
     includeCoreBundle: true,
+    cache: !!opts.cache,
     oss: !!opts.oss,
     examples: !!opts.runExamples,
     pluginPaths: config.get('plugins.paths'),
diff --git a/src/cli/serve/serve.js b/src/cli/serve/serve.js
index 471939121143a..6b0daebd5a042 100644
--- a/src/cli/serve/serve.js
+++ b/src/cli/serve/serve.js
@@ -218,6 +218,7 @@ export default function(program) {
         "Don't put a proxy in front of the dev server, which adds a random basePath"
       )
       .option('--no-watch', 'Prevents automatic restarts of the server in --dev mode')
+      .option('--no-cache', 'Disable the kbn/optimizer cache')
       .option('--no-dev-config', 'Prevents loading the kibana.dev.yml file in --dev mode');
   }