diff --git a/packages/theme/src/select/index.less b/packages/theme/src/select/index.less
index 0b75ee3ae0..6f8e0dc04c 100644
--- a/packages/theme/src/select/index.less
+++ b/packages/theme/src/select/index.less
@@ -354,7 +354,6 @@
       }
 
       &__suffix {
-        display: 'inline-block';
         cursor: not-allowed;
       }
     }