diff --git a/src/siyuan.d.ts b/src/siyuan.d.ts
index fbca339..6616c55 100644
--- a/src/siyuan.d.ts
+++ b/src/siyuan.d.ts
@@ -18,7 +18,7 @@ declare module "siyuan" {
         sid: string
     }
 
-    declare interface IPluginDockTab {
+    interface IPluginDockTab {
         position: "LeftTop" | "LeftBottom" | "RightTop" | "RightBottom" | "BottomLeft" | "BottomRight",
         size: { width: number, height: number },
         icon: string,
@@ -182,4 +182,4 @@ declare module "siyuan" {
 
         close(): void;
     }
-}
\ No newline at end of file
+}