diff --git a/_pkgdown.yml b/_pkgdown.yml
index 4fac68e..91faaf2 100644
--- a/_pkgdown.yml
+++ b/_pkgdown.yml
@@ -2,7 +2,6 @@ url: https://spatlyu.github.io/geocn/
 template:
   bootstrap: 5
   bootswatch: spacelab
-  light-switch: true
 
 navbar:
   structure: