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-rw-r--r--src/lib.rs3
1 files changed, 0 insertions, 3 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 064b82ff746..898689933e6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,9 +4,6 @@
 #![recursion_limit = "256"]
 #![allow(clippy::match_like_matches_macro)]
 
-// #[macro_use]
-// extern crate tracing;
-
 // N.B. these crates are loaded from the sysroot, so they need extern crate.
 extern crate rustc_ast;
 extern crate rustc_ast_pretty;