2 files changed, 3 insertions, 5 deletions

diff --git a/crates/ra_assists/Cargo.toml b/crates/ra_assists/Cargo.toml
index 29d9ceb59..5ddac1e48 100644
--- a/crates/ra_assists/Cargo.toml
+++ b/crates/ra_assists/Cargo.toml
@@ -5,7 +5,7 @@ version = "0.1.0"
 authors = ["rust-analyzer developers"]
 
 [dependencies]
-lazy_static = "1.3.0"
+once_cell = "0.2.0"
 join_to_string = "0.1.3"
 itertools = "0.8.0"
 arrayvec = "0.4.10"
diff --git a/crates/ra_assists/src/ast_editor.rs b/crates/ra_assists/src/ast_editor.rs
index 726e5c0a3..aa7aeaabb 100644
--- a/crates/ra_assists/src/ast_editor.rs
+++ b/crates/ra_assists/src/ast_editor.rs
@@ -289,12 +289,10 @@ fn ast_node_from_file_text<N: AstNode>(text: &str) -> TreeArc<N> {
 }
 
 mod tokens {
-    use lazy_static::lazy_static;
+    use once_cell::sync::Lazy;
     use ra_syntax::{AstNode, SourceFile, TreeArc, SyntaxToken, SyntaxKind::*};
 
-    lazy_static! {
-        static ref SOURCE_FILE: TreeArc<SourceFile> = SourceFile::parse(",\n; ;");
-    }
+    static SOURCE_FILE: Lazy<TreeArc<SourceFile>> = Lazy::new(|| SourceFile::parse(",\n; ;"));
 
     pub(crate) fn comma() -> SyntaxToken<'static> {
         SOURCE_FILE