diff --git a/packages/charts/src/index.less b/packages/charts/src/index.less
deleted file mode 100644
index afc8c3554..000000000
--- a/packages/charts/src/index.less
+++ /dev/null
@@ -1,4 +0,0 @@
-.g2-tooltip {
-  // tooltip 中的内容默认不换行
-  white-space: nowrap;
-}
diff --git a/packages/charts/src/index.ts b/packages/charts/src/index.ts
index 20fa395a3..c7f7d7752 100644
--- a/packages/charts/src/index.ts
+++ b/packages/charts/src/index.ts
@@ -1,5 +1,3 @@
-import './index.less';
-
 export * from '@ant-design/charts';
 
 export { version } from '../package.json';