diff --git a/src/data/ability.ts b/src/data/ability.ts
index 9f9c4c579dc..8289e10e3dc 100644
--- a/src/data/ability.ts
+++ b/src/data/ability.ts
@@ -1024,7 +1024,6 @@ export class PostAttackApplyBattlerTagAbAttr extends PostAttackAbAttr {
 export class StenchAbAttr extends PostAttackAbAttr {
   private contactRequired: boolean;
   private chance: integer;
-  private effects: BattlerTagType;
 
   constructor(contactRequired: boolean, chance: integer) {
     super();