diff --git a/src/types.ts b/src/types.ts
index d3542e8..d713352 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,5 +1,4 @@
 export interface CheckboxSyncPluginSettings {
-  xOnlyMode: boolean;
   enableAutomaticParentState: boolean;
   enableAutomaticChildState: boolean;
   checkedSymbols: string[];
@@ -14,7 +13,6 @@ export enum CheckboxState {
 }
 
 export const DEFAULT_SETTINGS: CheckboxSyncPluginSettings = {
-  xOnlyMode: true,
   enableAutomaticParentState: true,
   enableAutomaticChildState: true,
   checkedSymbols: ['x'],