diff --git a/src/cmd/link/internal/ld/elf_test.go b/src/cmd/link/internal/ld/elf_test.go
index 15eaa1388b..7d59249f3a 100644
--- a/src/cmd/link/internal/ld/elf_test.go
+++ b/src/cmd/link/internal/ld/elf_test.go
@@ -1,10 +1,10 @@
-//go:build cgo
-// +build cgo
-
 // Copyright 2019 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.
 
+//go:build cgo
+// +build cgo
+
 package ld
 
 import (
diff --git a/src/crypto/sha1/issue15617_test.go b/src/crypto/sha1/issue15617_test.go
index df4e28f64e..116c78ff74 100644
--- a/src/crypto/sha1/issue15617_test.go
+++ b/src/crypto/sha1/issue15617_test.go
@@ -1,9 +1,9 @@
-//go:build amd64 && (linux || darwin)
-
 // Copyright 2016 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.
 
+//go:build amd64 && (linux || darwin)
+
 package sha1_test
 
 import (
diff --git a/src/syscall/flock.go b/src/syscall/flock.go
index 8cb8f16153..820f526fe0 100644
--- a/src/syscall/flock.go
+++ b/src/syscall/flock.go
@@ -1,9 +1,9 @@
-//go:build linux || freebsd || openbsd || netbsd || dragonfly
-
 // Copyright 2014 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.
 
+//go:build linux || freebsd || openbsd || netbsd || dragonfly
+
 package syscall
 
 import "unsafe"