diff --git a/static/gen.go b/static/gen.go
index c1c308d..85c6714 100644
--- a/static/gen.go
+++ b/static/gen.go
@@ -11,7 +11,6 @@ import (
 	"fmt"
 	"go/format"
 	"io/ioutil"
-	"time"
 	"unicode"
 )
 
@@ -101,6 +100,6 @@ func appendQuote(out *bytes.Buffer, data []byte) {
 
 const warning = `// Code generated by "makestatic"; DO NOT EDIT.`
 
-var license = fmt.Sprintf(`// Copyright %d The Go Authors. All rights reserved.
+const license = `// Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.`, time.Now().UTC().Year())
+// license that can be found in the LICENSE file.`
diff --git a/static/static.go b/static/static.go
index ecf34e9..97f9bf8 100644
--- a/static/static.go
+++ b/static/static.go
@@ -1,4 +1,4 @@
-// Copyright 2019 The Go Authors. All rights reserved.
+// Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.