diff --git a/lib/builder-webpack4/src/preview/iframe-webpack.config.ts b/lib/builder-webpack4/src/preview/iframe-webpack.config.ts
index 596f5174bf5..8e1d13e7491 100644
--- a/lib/builder-webpack4/src/preview/iframe-webpack.config.ts
+++ b/lib/builder-webpack4/src/preview/iframe-webpack.config.ts
@@ -22,7 +22,6 @@ import {
   interpolate,
   nodeModulesPaths,
   Options,
-  NormalizedStoriesSpecifier,
   toImportFn,
   normalizeStories,
   loadPreviewOrConfigFile,
diff --git a/lib/builder-webpack5/src/preview/iframe-webpack.config.ts b/lib/builder-webpack5/src/preview/iframe-webpack.config.ts
index b1b2c1ea5d7..466071c3f60 100644
--- a/lib/builder-webpack5/src/preview/iframe-webpack.config.ts
+++ b/lib/builder-webpack5/src/preview/iframe-webpack.config.ts
@@ -19,7 +19,6 @@ import {
   interpolate,
   Options,
   hasDotenv,
-  NormalizedStoriesSpecifier,
   toImportFn,
   normalizeStories,
   readTemplate,
diff --git a/lib/core-common/src/utils/normalize-stories.ts b/lib/core-common/src/utils/normalize-stories.ts
index c0bc650d8f7..731a76e6aaf 100644
--- a/lib/core-common/src/utils/normalize-stories.ts
+++ b/lib/core-common/src/utils/normalize-stories.ts
@@ -89,7 +89,7 @@ export const normalizeStoriesEntry = (
 
   // At this stage `directory` is relative to `main.js` (the config dir)
   // We want to work relative to the working dir, so we transform it here.
-  const { directory: directoryRelativeToConfig, files: filesForOS } = specifierWithoutMatcher;
+  const { directory: directoryRelativeToConfig } = specifierWithoutMatcher;
   const absoluteDirectory = path.resolve(configDir, directoryRelativeToConfig);
   let directory = slash(path.relative(workingDir, absoluteDirectory));