diff --git a/clippy_dev/src/update_lints.rs b/clippy_dev/src/update_lints.rs
index bff6aaab9b14..90c88a7b1c9f 100644
--- a/clippy_dev/src/update_lints.rs
+++ b/clippy_dev/src/update_lints.rs
@@ -329,12 +329,13 @@ fn gen_nightly_lint_list<'a>(
     internal_lints: impl Iterator<Item = &'a Lint>,
     usable_lints: impl Iterator<Item = &'a Lint>,
 ) -> String {
-    let details: Vec<_> = internal_lints
+    let mut details: Vec<_> = internal_lints
         .map(|l| (false, l))
         .chain(usable_lints.map(|l| (true, l)))
         .filter(|(_, l)| l.version.as_ref().map_or(false, |v| v == "nightly"))
         .map(|(p, l)| (p, &l.module, l.name.to_uppercase()))
         .collect();
+    details.sort_unstable();
 
     let mut output = GENERATED_FILE_COMMENT.to_string();
     output.push_str("clippy_utils::nightly::set_nightly_lints([\n");
diff --git a/clippy_lints/src/lib.nightly_lints.rs b/clippy_lints/src/lib.nightly_lints.rs
index fb5b89e5b96f..22ccf47c49d1 100644
--- a/clippy_lints/src/lib.nightly_lints.rs
+++ b/clippy_lints/src/lib.nightly_lints.rs
@@ -5,8 +5,8 @@
 clippy_utils::nightly::set_nightly_lints([
     #[cfg(feature = "internal")]
     LintId::of(utils::internal_lints::FOREVER_NIGHTLY_LINT),
-    LintId::of(transmute::TRANSMUTE_UNDEFINED_REPR),
     LintId::of(borrow_as_ptr::BORROW_AS_PTR),
-    LintId::of(manual_bits::MANUAL_BITS),
     LintId::of(default_union_representation::DEFAULT_UNION_REPRESENTATION),
+    LintId::of(manual_bits::MANUAL_BITS),
+    LintId::of(transmute::TRANSMUTE_UNDEFINED_REPR),
 ])
diff --git a/clippy_utils/src/nightly.rs b/clippy_utils/src/nightly.rs
index 8d2ecfcd19ec..43061e126993 100644
--- a/clippy_utils/src/nightly.rs
+++ b/clippy_utils/src/nightly.rs
@@ -69,6 +69,7 @@ pub fn is_nightly_lint(lint: &'static Lint) -> bool {
 
 /// This function checks if the given lint is a nightly lint and should be suppressed in the current
 /// context.
+#[inline]
 pub fn suppress_lint<T: LintLevelProvider>(cx: &T, lint: &'static Lint) -> bool {
     if !is_nightly_run() && is_nightly_lint(lint) {
         let (_, level_src) = cx.get_lint_level(lint);