diff --git a/components/table/style/expand.tsx b/components/table/style/expand.tsx
index 11d7e4f16807..9182769a5e08 100644
--- a/components/table/style/expand.tsx
+++ b/components/table/style/expand.tsx
@@ -16,9 +16,6 @@ const genExpandStyle: GenerateStyle<TableToken, CSSObject> = (token) => {
     tableExpandIconBg,
     tableExpandColumnWidth,
     borderRadius,
-    fontSize,
-    fontSizeSM,
-    lineHeight,
     tablePaddingVertical,
     tablePaddingHorizontal,
     tableExpandedRowBg,
@@ -53,7 +50,7 @@ const genExpandStyle: GenerateStyle<TableToken, CSSObject> = (token) => {
       [`${componentCls}-row-expand-icon`]: {
         ...operationUnit(token),
         position: 'relative',
-        float: 'left',
+        verticalAlign: 'middle',
         boxSizing: 'border-box',
         width: expandIconSize,
         height: expandIconSize,
@@ -114,9 +111,6 @@ const genExpandStyle: GenerateStyle<TableToken, CSSObject> = (token) => {
       },
 
       [`${componentCls}-row-indent + ${componentCls}-row-expand-icon`]: {
-        marginTop:
-          (fontSize * lineHeight - lineWidth * 3) / 2 -
-          Math.ceil((fontSizeSM * 1.4 - lineWidth * 3) / 2),
         marginInlineEnd: paddingXS,
       },