diff --git a/src/types/webcompat-settings.d.ts b/src/types/webcompat-settings.d.ts
index e9e0a065f..99b5a3375 100644
--- a/src/types/webcompat-settings.d.ts
+++ b/src/types/webcompat-settings.d.ts
@@ -29,7 +29,6 @@ export interface WebCompatSettings {
       undefined: string[];
     };
   };
-  modifyLocalStorage?: State;
   domains?: Domains;
 }
 export interface Domain {