diff --git a/packages/theme-chalk/src/calendar.scss b/packages/theme-chalk/src/calendar.scss
index 136486101..f33254d38 100644
--- a/packages/theme-chalk/src/calendar.scss
+++ b/packages/theme-chalk/src/calendar.scss
@@ -1,7 +1,5 @@
 @import "mixins/mixins";
 @import "common/var";
-@import "button";
-@import "button-group";
 
 @include b(calendar) {
   background-color:#fff;