diff --git a/src-self-hosted/main.zig b/src-self-hosted/main.zig
index 8dc1d8ce3b..22f49e80d9 100644
--- a/src-self-hosted/main.zig
+++ b/src-self-hosted/main.zig
@@ -637,14 +637,12 @@ const usage_fmt =
     \\
     \\Options:
     \\   --help                 Print this help and exit
-    \\   --keep-backups         Retain backup entries for every file
     \\
     \\
     ;
 
 const args_fmt_spec = []Flag {
     Flag.Bool("--help"),
-    Flag.Bool("--keep-backups"),
 };
 
 fn cmdFmt(allocator: &Allocator, args: []const []const u8) !void {