diff --git a/packages/docusaurus-plugin-content-showcase/src/index.ts b/packages/docusaurus-plugin-content-showcase/src/index.ts
index 193634b747..bef38394c8 100644
--- a/packages/docusaurus-plugin-content-showcase/src/index.ts
+++ b/packages/docusaurus-plugin-content-showcase/src/index.ts
@@ -87,10 +87,8 @@ export default function pluginContentShowcase(
         );
 
         const sourcePath = path.join(contentPath, relativeSource);
-
         const data = await fs.readFile(sourcePath, 'utf-8');
-        // todo remove as ... because bad practice ?
-        const unsafeData = Yaml.load(data) as {[key: string]: unknown};
+        const unsafeData = Yaml.load(data);
         const showcaseItem = validateShowcaseItem(unsafeData);
 
         validateFrontMatterTags(showcaseItem.tags, createdTagSchema);
diff --git a/packages/docusaurus-plugin-content-showcase/src/validation.ts b/packages/docusaurus-plugin-content-showcase/src/validation.ts
index 70fd10a697..e389dfad19 100644
--- a/packages/docusaurus-plugin-content-showcase/src/validation.ts
+++ b/packages/docusaurus-plugin-content-showcase/src/validation.ts
@@ -17,9 +17,7 @@ const showcaseItemSchema = Joi.object({
   tags: Joi.array().items(Joi.string()).required(),
 });
 
-export function validateShowcaseItem(frontMatter: {
-  [key: string]: unknown;
-}): ShowcaseItem {
+export function validateShowcaseItem(frontMatter: unknown): ShowcaseItem {
   return validateFrontMatter(frontMatter, showcaseItemSchema);
 }