diff --git a/lib/std/priority_dequeue.zig b/lib/std/priority_dequeue.zig
index a742b27050..9df8c07f7e 100644
--- a/lib/std/priority_dequeue.zig
+++ b/lib/std/priority_dequeue.zig
@@ -1,6 +1,10 @@
-const std = @import("std");
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2015-2021 Zig Contributors
+// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
+// The MIT license requires this copyright notice to be included in all copies
+// and substantial portions of the software.
+const std = @import("std.zig");
 const Allocator = std.mem.Allocator;
-const sort = std.sort;
 const assert = std.debug.assert;
 const warn = std.debug.warn;
 const testing = std.testing;