diff --git a/src/renderer/core/layout/injectionKeys.ts b/src/renderer/core/layout/injectionKeys.ts
index 48306b063..67a0062df 100644
--- a/src/renderer/core/layout/injectionKeys.ts
+++ b/src/renderer/core/layout/injectionKeys.ts
@@ -2,7 +2,7 @@ import type { InjectionKey } from 'vue'
 
 import type { Point } from '@/renderer/core/layout/types'
 
-export interface TransformState {
+interface TransformState {
   screenToCanvas: (p: Point) => Point
   canvasToScreen: (p: Point) => Point
   camera?: { x: number; y: number; z: number }