diff --git a/x509roots/fallback/bundle.go b/x509roots/fallback/bundle.go
index d6653ac..89d97ba 100644
--- a/x509roots/fallback/bundle.go
+++ b/x509roots/fallback/bundle.go
@@ -1,7 +1,5 @@
 // Code generated by gen_fallback_bundle.go; DO NOT EDIT.
 
-//go:build go1.20
-
 package fallback
 
 import "crypto/x509"
diff --git a/x509roots/fallback/fallback.go b/x509roots/fallback/fallback.go
index 3141359..42717e1 100644
--- a/x509roots/fallback/fallback.go
+++ b/x509roots/fallback/fallback.go
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build go1.20
-
 // Package fallback embeds a set of fallback X.509 trusted roots in the
 // application by automatically invoking [x509.SetFallbackRoots]. This allows
 // the application to work correctly even if the operating system does not
diff --git a/x509roots/gen_fallback_bundle.go b/x509roots/gen_fallback_bundle.go
index ffea49b..246f60c 100644
--- a/x509roots/gen_fallback_bundle.go
+++ b/x509roots/gen_fallback_bundle.go
@@ -27,8 +27,6 @@ import (
 
 const tmpl = `// Code generated by gen_fallback_bundle.go; DO NOT EDIT.
 
-//go:build go1.20
-
 package fallback
 
 import "crypto/x509"