diff --git a/compiler/src/can/problem.rs b/compiler/src/can/problem.rs
index 9c385d097a..09ea30b8c6 100644
--- a/compiler/src/can/problem.rs
+++ b/compiler/src/can/problem.rs
@@ -9,7 +9,6 @@ use roc_region::all::{Located, Region};
 /// Problems that can occur in the course of canonicalization.
 #[derive(Clone, Debug, PartialEq)]
 pub enum Problem {
-    // TODO use Symbol over Ident with these
     UnusedDef(Symbol, Region),
     UnusedImport(ModuleId, Region),
     UnusedArgument(Symbol, Region),