diff --git a/xtask/src/app_manifest.rs b/xtask/src/app_manifest.rs
index dfcc5024f..67f306217 100644
--- a/xtask/src/app_manifest.rs
+++ b/xtask/src/app_manifest.rs
@@ -57,6 +57,7 @@ pub(crate) fn generate_app_menus(apps: &Vec<String>) {
 
     // construct the gam_tokens
     let mut gam_tokens = String::new();
+    writeln!(gam_tokens, "#![cfg_attr(rustfmt, rustfmt_skip)]").unwrap();
     writeln!(gam_tokens, "// This file is auto-generated by xtask/main.rs generate_app_menus()").unwrap();
     for (app_name, manifest) in working_set.iter() {
         writeln!(
@@ -95,6 +96,7 @@ pub(crate) fn generate_app_menus(apps: &Vec<String>) {
 
     // construct the app menu
     let mut menu = String::new();
+    writeln!(menu, "#![cfg_attr(rustfmt, rustfmt_skip)]").unwrap();
     writeln!(menu, "// This file is auto-generated by xtask/main.rs generate_app_menus()").unwrap();
     if apps.len() == 0 {
         writeln!(menu, "// NO APPS SELECTED: suppressing warning messages!").unwrap();
diff --git a/xtask/src/versioning.rs b/xtask/src/versioning.rs
index 3ab1943c7..c1c46d272 100644
--- a/xtask/src/versioning.rs
+++ b/xtask/src/versioning.rs
@@ -66,7 +66,8 @@ pub(crate) fn generate_version(add_timestamp: bool) {
 }
 
 fn print_header<U: Write>(out: &mut U) {
-    let s = r####"// Versioning information is kept in a separate file, attached to a small, well-known server in the Xous System
+    let s = r####"#![cfg_attr(rustfmt, rustfmt_skip)]
+// Versioning information is kept in a separate file, attached to a small, well-known server in the Xous System
 // This is a trade-off between rebuild times and flexibility.
 // This was autogenerated by xtask/src/main.rs:print_header(). Do not edit manually.