--- a/src/tools/opt-dist/src/training.rs
+++ b/src/tools/opt-dist/src/training.rs
@@ -39,7 +39,6 @@
         "--include",
         crates.join(",").as_str(),
     ])
-    .env("RUST_LOG", "collector=debug")
     .env("RUSTC", env.rustc_stage_0().as_str())
     .env("RUSTC_BOOTSTRAP", "1")
     .workdir(&env.rustc_perf_dir());
