diff --git a/packages/loader-base/global.d.ts b/packages/loader-base/global.d.ts
index d96653a3..06ae9147 100644
--- a/packages/loader-base/global.d.ts
+++ b/packages/loader-base/global.d.ts
@@ -3,7 +3,6 @@ declare namespace GlobalMixins
     interface IResourceMetadata {
         spineSkeletonScale?: number;
         spineAtlas?: any;
-        spineAtlasSuffix?: string;
         spineAtlasFile?: string;
         spineMetadata?: any;
         imageNamePrefix?: string;