diff --git a/Cargo.lock b/Cargo.lock
index 6670e92f51..98ae47640f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1196,7 +1196,7 @@ dependencies = [
  "drop_bomb",
  "expect-test",
  "limit",
- "rustc-dependencies",
+ "ra-ap-rustc_lexer",
  "sourcegen",
  "stdx",
 ]
@@ -1605,7 +1605,6 @@ version = "0.0.0"
 dependencies = [
  "ra-ap-rustc_abi",
  "ra-ap-rustc_index",
- "ra-ap-rustc_lexer",
  "ra-ap-rustc_parse_format",
 ]
 
@@ -1808,9 +1807,9 @@ dependencies = [
  "proc-macro2",
  "profile",
  "quote",
+ "ra-ap-rustc_lexer",
  "rayon",
  "rowan",
- "rustc-dependencies",
  "rustc-hash",
  "smol_str",
  "sourcegen",
diff --git a/Cargo.toml b/Cargo.toml
index 4ee8064b5e..296ccb2dfa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -80,6 +80,8 @@ vfs-notify = { path = "./crates/vfs-notify", version = "0.0.0" }
 vfs = { path = "./crates/vfs", version = "0.0.0" }
 rustc-dependencies = { path = "./crates/rustc-dependencies", version = "0.0.0" }
 
+ra-ap-rustc_lexer = "0.21.0"
+
 # local crates that aren't published to crates.io. These should not have versions.
 sourcegen = { path = "./crates/sourcegen" }
 test-fixture = { path = "./crates/test-fixture" }
diff --git a/crates/parser/Cargo.toml b/crates/parser/Cargo.toml
index 0c63484634..e74b340126 100644
--- a/crates/parser/Cargo.toml
+++ b/crates/parser/Cargo.toml
@@ -13,8 +13,7 @@ doctest = false
 
 [dependencies]
 drop_bomb = "0.1.5"
-rustc-dependencies.workspace = true
-
+ra-ap-rustc_lexer.workspace = true
 limit.workspace = true
 
 [dev-dependencies]
@@ -24,7 +23,7 @@ stdx.workspace = true
 sourcegen.workspace = true
 
 [features]
-in-rust-tree = ["rustc-dependencies/in-rust-tree"]
+in-rust-tree = []
 
 [lints]
-workspace = true
\ No newline at end of file
+workspace = true
diff --git a/crates/parser/src/lexed_str.rs b/crates/parser/src/lexed_str.rs
index b9e7566fdf..f47ec49df1 100644
--- a/crates/parser/src/lexed_str.rs
+++ b/crates/parser/src/lexed_str.rs
@@ -8,8 +8,6 @@
 //! Note that these tokens, unlike the tokens we feed into the parser, do
 //! include info about comments and whitespace.
 
-use rustc_dependencies::lexer as rustc_lexer;
-
 use std::ops;
 
 use rustc_lexer::unescape::{EscapeError, Mode};
diff --git a/crates/parser/src/lib.rs b/crates/parser/src/lib.rs
index d9b3f46f20..ed0aec3cab 100644
--- a/crates/parser/src/lib.rs
+++ b/crates/parser/src/lib.rs
@@ -21,6 +21,11 @@
 #![allow(rustdoc::private_intra_doc_links)]
 #![cfg_attr(feature = "in-rust-tree", feature(rustc_private))]
 
+#[cfg(not(feature = "in-rust-tree"))]
+extern crate ra_ap_rustc_lexer as rustc_lexer;
+#[cfg(feature = "in-rust-tree")]
+extern crate rustc_lexer;
+
 mod lexed_str;
 mod token_set;
 mod syntax_kind;
diff --git a/crates/rustc-dependencies/Cargo.toml b/crates/rustc-dependencies/Cargo.toml
index 0bf04301df..ae8abc6cc7 100644
--- a/crates/rustc-dependencies/Cargo.toml
+++ b/crates/rustc-dependencies/Cargo.toml
@@ -11,7 +11,6 @@ authors.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-ra-ap-rustc_lexer = { version = "0.21.0" }
 ra-ap-rustc_parse_format = { version = "0.21.0", default-features = false }
 ra-ap-rustc_index = { version = "0.21.0", default-features = false }
 ra-ap-rustc_abi = { version = "0.21.0", default-features = false }
@@ -20,4 +19,4 @@ ra-ap-rustc_abi = { version = "0.21.0", default-features = false }
 in-rust-tree = []
 
 [lints]
-workspace = true
\ No newline at end of file
+workspace = true
diff --git a/crates/rustc-dependencies/src/lib.rs b/crates/rustc-dependencies/src/lib.rs
index 13fcbc4919..d3f386fe08 100644
--- a/crates/rustc-dependencies/src/lib.rs
+++ b/crates/rustc-dependencies/src/lib.rs
@@ -3,17 +3,6 @@
 
 #![cfg_attr(feature = "in-rust-tree", feature(rustc_private))]
 
-#[cfg(feature = "in-rust-tree")]
-extern crate rustc_lexer;
-
-pub mod lexer {
-    #[cfg(not(feature = "in-rust-tree"))]
-    pub use ::ra_ap_rustc_lexer::*;
-
-    #[cfg(feature = "in-rust-tree")]
-    pub use ::rustc_lexer::*;
-}
-
 #[cfg(feature = "in-rust-tree")]
 extern crate rustc_parse_format;
 
diff --git a/crates/syntax/Cargo.toml b/crates/syntax/Cargo.toml
index 40a93fec2c..9f78614bba 100644
--- a/crates/syntax/Cargo.toml
+++ b/crates/syntax/Cargo.toml
@@ -23,7 +23,7 @@ indexmap.workspace = true
 smol_str.workspace = true
 triomphe.workspace = true
 
-rustc-dependencies.workspace = true
+ra-ap-rustc_lexer.workspace = true
 
 parser.workspace = true
 profile.workspace = true
@@ -41,7 +41,7 @@ test-utils.workspace = true
 sourcegen.workspace = true
 
 [features]
-in-rust-tree = ["rustc-dependencies/in-rust-tree"]
+in-rust-tree = []
 
 [lints]
-workspace = true
\ No newline at end of file
+workspace = true
diff --git a/crates/syntax/src/ast/token_ext.rs b/crates/syntax/src/ast/token_ext.rs
index d5d565a015..ede392fc62 100644
--- a/crates/syntax/src/ast/token_ext.rs
+++ b/crates/syntax/src/ast/token_ext.rs
@@ -2,8 +2,6 @@
 
 use std::borrow::Cow;
 
-use rustc_dependencies::lexer as rustc_lexer;
-
 use rustc_lexer::unescape::{
     unescape_byte, unescape_c_string, unescape_char, unescape_literal, CStrUnit, Mode,
 };
diff --git a/crates/syntax/src/lib.rs b/crates/syntax/src/lib.rs
index d600698040..1b41596a5f 100644
--- a/crates/syntax/src/lib.rs
+++ b/crates/syntax/src/lib.rs
@@ -22,6 +22,11 @@
 #![cfg_attr(feature = "in-rust-tree", feature(rustc_private))]
 #![warn(rust_2018_idioms, unused_lifetimes)]
 
+#[cfg(not(feature = "in-rust-tree"))]
+extern crate ra_ap_rustc_lexer as rustc_lexer;
+#[cfg(feature = "in-rust-tree")]
+extern crate rustc_lexer;
+
 #[allow(unused)]
 macro_rules! eprintln {
     ($($tt:tt)*) => { stdx::eprintln!($($tt)*) };
diff --git a/crates/syntax/src/validation.rs b/crates/syntax/src/validation.rs
index eabbda2c39..6c6916c585 100644
--- a/crates/syntax/src/validation.rs
+++ b/crates/syntax/src/validation.rs
@@ -5,7 +5,7 @@
 mod block;
 
 use rowan::Direction;
-use rustc_dependencies::lexer::unescape::{self, unescape_literal, Mode};
+use rustc_lexer::unescape::{self, unescape_literal, Mode};
 
 use crate::{
     algo,