diff --git a/src/graph/visitor/test/DeduceAliasTypeVisitorTest.cpp b/src/graph/visitor/test/DeduceAliasTypeVisitorTest.cpp
index 9cd0c1762f6..1b75f4c6512 100644
--- a/src/graph/visitor/test/DeduceAliasTypeVisitorTest.cpp
+++ b/src/graph/visitor/test/DeduceAliasTypeVisitorTest.cpp
@@ -10,8 +10,7 @@
 
 namespace nebula {
 namespace graph {
-class DeduceAliasTypeVisitorTest : public VisitorTestBase {
-};
+class DeduceAliasTypeVisitorTest : public VisitorTestBase {};
 
 TEST_F(DeduceAliasTypeVisitorTest, SubscriptExpr) {
   {