diff --git a/packages/kbn-optimizer/src/cli.ts b/packages/kbn-optimizer/src/cli.ts
index 6e3106dbc2af7..d5b9996dfb2cd 100644
--- a/packages/kbn-optimizer/src/cli.ts
+++ b/packages/kbn-optimizer/src/cli.ts
@@ -6,8 +6,6 @@
  * Side Public License, v 1.
  */
 
-import 'source-map-support/register';
-
 import Path from 'path';
 
 import { REPO_ROOT } from '@kbn/utils';
diff --git a/scripts/build_kibana_platform_plugins.js b/scripts/build_kibana_platform_plugins.js
index fa630e0bb1808..9038d08364400 100644
--- a/scripts/build_kibana_platform_plugins.js
+++ b/scripts/build_kibana_platform_plugins.js
@@ -7,6 +7,7 @@
  */
 
 require('../src/setup_node_env/ensure_node_preserve_symlinks');
+require('source-map-support/register');
 require('@kbn/optimizer').runKbnOptimizerCli({
   defaultLimitsPath: require.resolve('../packages/kbn-optimizer/limits.yml'),
 });