1 files changed, 3 insertions, 3 deletions

diff --git a/crates/ra_syntax/src/validation.rs b/crates/ra_syntax/src/validation.rs
index a2509dc90..61cf83c84 100644
--- a/crates/ra_syntax/src/validation.rs
+++ b/crates/ra_syntax/src/validation.rs
@@ -1,11 +1,12 @@
 use std::u32;
 
+use arrayvec::ArrayString;
+
 use crate::{
     algo::visit::{visitor_ctx, VisitorCtx},
     ast::{self, AstNode},
     File,
     string_lexing::{self, CharComponentKind},
-    utils::MutAsciiString,
     yellow::{
         SyntaxError,
         SyntaxErrorKind::*,
@@ -76,8 +77,7 @@ fn validate_char(node: ast::Char, errors: &mut Vec<SyntaxError>) {
                     return;
                 }
 
-                let mut buf = &mut [0; 6];
-                let mut code = MutAsciiString::new(buf);
+                let mut code = ArrayString::<[_; 6]>::new();
                 let mut closed = false;
                 for c in text[3..].chars() {
                     assert!(!closed, "no characters after escape is closed");