diff --git a/crates/mbe/src/mbe_expander.rs b/crates/mbe/src/expander.rs
similarity index 100%
rename from crates/mbe/src/mbe_expander.rs
rename to crates/mbe/src/expander.rs
diff --git a/crates/mbe/src/mbe_expander/matcher.rs b/crates/mbe/src/expander/matcher.rs
similarity index 99%
rename from crates/mbe/src/mbe_expander/matcher.rs
rename to crates/mbe/src/expander/matcher.rs
index d32e60521471..5b58458509fa 100644
--- a/crates/mbe/src/mbe_expander/matcher.rs
+++ b/crates/mbe/src/expander/matcher.rs
@@ -1,7 +1,7 @@
 //! FIXME: write short doc here
 
 use crate::{
-    mbe_expander::{Binding, Bindings, Fragment},
+    expander::{Binding, Bindings, Fragment},
     parser::{Op, RepeatKind, Separator},
     subtree_source::SubtreeTokenSource,
     tt_iter::TtIter,
diff --git a/crates/mbe/src/mbe_expander/transcriber.rs b/crates/mbe/src/expander/transcriber.rs
similarity index 99%
rename from crates/mbe/src/mbe_expander/transcriber.rs
rename to crates/mbe/src/expander/transcriber.rs
index 59a3c80a8b62..82bace110f44 100644
--- a/crates/mbe/src/mbe_expander/transcriber.rs
+++ b/crates/mbe/src/expander/transcriber.rs
@@ -5,7 +5,7 @@ use syntax::SmolStr;
 
 use super::ExpandResult;
 use crate::{
-    mbe_expander::{Binding, Bindings, Fragment},
+    expander::{Binding, Bindings, Fragment},
     parser::{Op, RepeatKind, Separator},
     ExpandError, MetaTemplate,
 };
diff --git a/crates/mbe/src/lib.rs b/crates/mbe/src/lib.rs
index 35cde5f10cc9..bbe71ce3e688 100644
--- a/crates/mbe/src/lib.rs
+++ b/crates/mbe/src/lib.rs
@@ -4,7 +4,7 @@
 //! `TokenTree`s as well!
 
 mod parser;
-mod mbe_expander;
+mod expander;
 mod syntax_bridge;
 mod tt_iter;
 mod subtree_source;
@@ -209,7 +209,7 @@ impl MacroRules {
         // apply shift
         let mut tt = tt.clone();
         self.shift.shift_all(&mut tt);
-        mbe_expander::expand_rules(&self.rules, &tt)
+        expander::expand_rules(&self.rules, &tt)
     }
 
     pub fn map_id_down(&self, id: tt::TokenId) -> tt::TokenId {
@@ -260,7 +260,7 @@ impl MacroDef {
         // apply shift
         let mut tt = tt.clone();
         self.shift.shift_all(&mut tt);
-        mbe_expander::expand_rules(&self.rules, &tt)
+        expander::expand_rules(&self.rules, &tt)
     }
 
     pub fn map_id_down(&self, id: tt::TokenId) -> tt::TokenId {