diff --git a/src/lib.rs b/src/lib.rs
index 0c42112e3f..fb910bc953 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,3 @@
-extern crate core;
-
 mod ast;
 mod autofix;
 pub mod cache;
diff --git a/src/main.rs b/src/main.rs
index 27d9b1df43..80c3120aab 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,3 @@
-extern crate core;
-
 use std::io;
 use std::path::{Path, PathBuf};
 use std::process::ExitCode;
diff --git a/src/message.rs b/src/message.rs
index f273111a7c..3471211e23 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -39,7 +39,6 @@ impl fmt::Display for Message {
             f,
             "{}{}{}{}{}{} {} {}",
             relativize_path(Path::new(&self.filename)).white().bold(),
-            // self.filename.white(),
             ":".cyan(),
             self.location.row(),
             ":".cyan(),