diff --git a/core/stringx/replacer_fuzz_test.go b/core/stringx/replacer_fuzz_test.go
index ad67ca82..6243039e 100644
--- a/core/stringx/replacer_fuzz_test.go
+++ b/core/stringx/replacer_fuzz_test.go
@@ -1,5 +1,3 @@
-//go:build go1.19
-
 package stringx
 
 import (