diff --git a/url_go18.go b/url_go18.go
deleted file mode 100644
index 60b7851..0000000
--- a/url_go18.go
+++ /dev/null
@@ -1,8 +0,0 @@
-//go:build !go1.19
-// +build !go1.19
-
-package spec
-
-import "net/url"
-
-var parseURL = url.Parse
diff --git a/url_go19.go b/url_go19.go
index 392e3e6..5bdfe40 100644
--- a/url_go19.go
+++ b/url_go19.go
@@ -1,6 +1,3 @@
-//go:build go1.19
-// +build go1.19
-
 package spec
 
 import "net/url"