2 files changed, 0 insertions, 3 deletions
diff --git a/src/libsyntax/Cargo.toml b/src/libsyntax/Cargo.toml
index 7d9f715e9fe..2e647d2a1e0 100644
--- a/src/libsyntax/Cargo.toml
+++ b/src/libsyntax/Cargo.toml
@@ -21,5 +21,4 @@ rustc_index = { path = "../librustc_index" }
 rustc_lexer = { path = "../librustc_lexer" }
 rustc_macros = { path = "../librustc_macros" }
 smallvec = { version = "1.0", features = ["union", "may_dangle"] }
-rustc_error_codes = { path = "../librustc_error_codes" }
 rustc_session = { path = "../librustc_session" }
diff --git a/src/libsyntax/attr/builtin.rs b/src/libsyntax/attr/builtin.rs
index 70f4f47621a..6cfe4f2de1e 100644
--- a/src/libsyntax/attr/builtin.rs
+++ b/src/libsyntax/attr/builtin.rs
@@ -12,8 +12,6 @@ use rustc_span::hygiene::Transparency;
 use rustc_span::{symbol::sym, symbol::Symbol, Span};
 use std::num::NonZeroU32;
 
-use rustc_error_codes::*;
-
 pub fn is_builtin_attr(attr: &Attribute) -> bool {
     attr.is_doc_comment() || attr.ident().filter(|ident| is_builtin_attr_name(ident.name)).is_some()
 }