diff --git a/common/src/types.ts b/common/src/types.ts
index fa04d09e5..a522450fd 100644
--- a/common/src/types.ts
+++ b/common/src/types.ts
@@ -813,7 +813,6 @@ interface CDDataBMS {
 
 interface CDDataUSC {
 	hashSHA1: string | string[];
-	isOfficial: boolean;
 	effector: string;
 	tableFolders: { table: string; level: string }[];
 }