diff --git a/src/layout/theme/index.ts b/src/layout/theme/index.ts
deleted file mode 100644
index c52b77951..000000000
--- a/src/layout/theme/index.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-export const toggleTheme = (scopeName = "theme-default") => {
-  let styleLink: any = document.getElementById("theme-button");
-  if (styleLink) {
-    // 假如存在id为theme-button 的link标签，直接修改其href
-    styleLink.href = `/${scopeName}.css`;
-    // 注：如果是removeCssScopeName:true移除了主题文件的权重类名，就可以不用修改className 操作
-    document.documentElement.className = scopeName;
-  } else {
-    // 不存在的话，则新建一个
-    styleLink = document.createElement("link");
-    styleLink.type = "text/css";
-    styleLink.rel = "stylesheet";
-    styleLink.id = "theme-button";
-    styleLink.href = `/${scopeName}.css`;
-    // 注：如果是removeCssScopeName:true移除了主题文件的权重类名，就可以不用修改className 操作
-    document.documentElement.className = scopeName;
-    document.head.append(styleLink);
-  }
-};