diff --git a/.changeset/afraid-streets-pay.md b/.changeset/afraid-streets-pay.md
new file mode 100644
index 0000000000..d8e0bde4ab
--- /dev/null
+++ b/.changeset/afraid-streets-pay.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-defaults': patch
+---
+
+Deduplicate discovered features discovered with discoveryFeatureLoader
diff --git a/packages/backend-defaults/src/PackageDiscoveryService.ts b/packages/backend-defaults/src/PackageDiscoveryService.ts
index fe0ab931a7..abf015baf3 100644
--- a/packages/backend-defaults/src/PackageDiscoveryService.ts
+++ b/packages/backend-defaults/src/PackageDiscoveryService.ts
@@ -175,6 +175,6 @@ export class PackageDiscoveryService {
       }
     }
 
-    return { features };
+    return { features: Array.from(new Set(features)) };
   }
 }