diff --git a/packages/staking/tsup.config.ts b/packages/staking/tsup.config.ts
index dce41311b..1dae206c2 100644
--- a/packages/staking/tsup.config.ts
+++ b/packages/staking/tsup.config.ts
@@ -16,11 +16,11 @@ const tsupConfig = defineConfig([
     esbuildPlugins: [
       // eslint-disable-next-line new-cap
       ScssModulesPlugin() as never,
-      vanillaExtractPlugin({ esbuildOptions: { loader: { '.css': 'empty' } } }),
+      vanillaExtractPlugin({ esbuildOptions: { loader: { '.css': 'empty' } }, identifiers: 'short' }),
       svgr({ icon: true, plugins: [svgrJsx] }),
     ],
     external: Object.keys(peerDependencies),
-    format: ['esm', 'cjs'],
+    format: ['cjs'],
     loader: {
       '.png': 'dataurl',
     },
diff --git a/packages/ui/rollup.config.js b/packages/ui/rollup.config.js
index b2fb0a7de..897ba0db0 100644
--- a/packages/ui/rollup.config.js
+++ b/packages/ui/rollup.config.js
@@ -20,7 +20,9 @@ export default () => ({
     commonjs(),
     image(),
     svgr({ icon: true }),
-    vanillaExtractPlugin(),
+    vanillaExtractPlugin({
+      identifiers: 'short',
+    }),
     copy({
       targets: [{ src: 'src/assets/icons/*', dest: 'dist/assets/icons' }],
     }),