diff --git a/lib/builder-webpack4/src/preview/virtualModuleModernEntry.js.handlebars b/lib/builder-webpack4/src/preview/virtualModuleModernEntry.js.handlebars
index 514bc546821d..dfa3f306fa61 100644
--- a/lib/builder-webpack4/src/preview/virtualModuleModernEntry.js.handlebars
+++ b/lib/builder-webpack4/src/preview/virtualModuleModernEntry.js.handlebars
@@ -1,4 +1,3 @@
-import fetch from 'unfetch';
 import global from 'global';
 
 import { composeConfigs, PreviewWeb } from '@storybook/preview-web';
diff --git a/lib/builder-webpack5/src/preview/virtualModuleModernEntry.js.handlebars b/lib/builder-webpack5/src/preview/virtualModuleModernEntry.js.handlebars
index fcf74062d572..c7b3025c4b7a 100644
--- a/lib/builder-webpack5/src/preview/virtualModuleModernEntry.js.handlebars
+++ b/lib/builder-webpack5/src/preview/virtualModuleModernEntry.js.handlebars
@@ -1,4 +1,3 @@
-import fetch from 'unfetch';
 import global from 'global';
 
 import { composeConfigs, PreviewWeb } from '@storybook/preview-web';