diff --git a/compiler/rustc_middle/src/query/modifiers.rs b/compiler/rustc_middle/src/query/modifiers.rs
index 81b9f0da6446c..44aaa6a3ce3d9 100644
--- a/compiler/rustc_middle/src/query/modifiers.rs
+++ b/compiler/rustc_middle/src/query/modifiers.rs
@@ -1,66 +1,67 @@
 //! This contains documentation which is linked from query modifiers used in the `rustc_queries!` proc macro.
+//!
+//! The dummy items in this module are used to enable hover documentation for
+//! modifier names in the query list, and to allow find-all-references to list
+//! all queries that use a particular modifier.
 #![allow(unused, non_camel_case_types)]
 // FIXME: Update and clarify documentation for these modifiers.
 
-/// # `desc` query modifier
+// tidy-alphabetical-start
+//
+/// # `anon` query modifier
 ///
-/// The description of the query. This modifier is required on every query.
-pub struct desc;
+/// Generate a dep node based on the dependencies of the query
+pub(crate) struct anon;
 
 /// # `arena_cache` query modifier
 ///
 /// Use this type for the in-memory cache.
-pub struct arena_cache;
+pub(crate) struct arena_cache;
 
 /// # `cache_on_disk_if` query modifier
 ///
 /// Cache the query to disk if the `Block` returns true.
-pub struct cache_on_disk_if;
-
-/// # `cycle_fatal` query modifier
-///
-/// A cycle error for this query aborting the compilation with a fatal error.
-pub struct cycle_fatal;
+pub(crate) struct cache_on_disk_if;
 
 /// # `cycle_delay_bug` query modifier
 ///
 /// A cycle error results in a delay_bug call
-pub struct cycle_delay_bug;
+pub(crate) struct cycle_delay_bug;
+
+/// # `cycle_fatal` query modifier
+///
+/// A cycle error for this query aborting the compilation with a fatal error.
+pub(crate) struct cycle_fatal;
 
 /// # `cycle_stash` query modifier
 ///
 /// A cycle error results in a stashed cycle error that can be unstashed and canceled later
-pub struct cycle_stash;
+pub(crate) struct cycle_stash;
 
-/// # `no_hash` query modifier
+/// # `depth_limit` query modifier
 ///
-/// Don't hash the result, instead just mark a query red if it runs
-pub struct no_hash;
+/// Whether the query has a call depth limit
+pub(crate) struct depth_limit;
 
-/// # `anon` query modifier
+/// # `desc` query modifier
 ///
-/// Generate a dep node based on the dependencies of the query
-pub struct anon;
+/// The description of the query. This modifier is required on every query.
+pub(crate) struct desc;
 
 /// # `eval_always` query modifier
 ///
 /// Always evaluate the query, ignoring its dependencies
-pub struct eval_always;
-
-/// # `depth_limit` query modifier
-///
-/// Whether the query has a call depth limit
-pub struct depth_limit;
-
-/// # `separate_provide_extern` query modifier
-///
-/// Use a separate query provider for local and extern crates
-pub struct separate_provide_extern;
+pub(crate) struct eval_always;
 
 /// # `feedable` query modifier
 ///
 /// Generate a `feed` method to set the query's value from another query.
-pub struct feedable;
+pub(crate) struct feedable;
+
+/// # `no_hash` query modifier
+///
+/// Don't hash the result, instead just mark a query red if it runs
+pub(crate) struct no_hash;
 
 /// # `return_result_from_ensure_ok` query modifier
 ///
@@ -74,4 +75,11 @@ pub struct feedable;
 ///
 /// Can only be applied to queries with a return value of
 /// `Result<_, ErrorGuaranteed>`.
-pub struct return_result_from_ensure_ok;
+pub(crate) struct return_result_from_ensure_ok;
+
+/// # `separate_provide_extern` query modifier
+///
+/// Use a separate query provider for local and extern crates
+pub(crate) struct separate_provide_extern;
+
+// tidy-alphabetical-end