diff --git a/src/librustc_mir/borrow_check/nll/pick_constraints.rs b/src/librustc_mir/borrow_check/nll/pick_constraints.rs
index dff0801f2eb..b130d958db7 100644
--- a/src/librustc_mir/borrow_check/nll/pick_constraints.rs
+++ b/src/librustc_mir/borrow_check/nll/pick_constraints.rs
@@ -1,5 +1,3 @@
-#![allow(dead_code)] // TODO
-
 use crate::rustc::ty::{self, Ty};
 use rustc::hir::def_id::DefId;
 use rustc::infer::region_constraints::PickConstraint;
diff --git a/src/librustc_mir/borrow_check/nll/region_infer/mod.rs b/src/librustc_mir/borrow_check/nll/region_infer/mod.rs
index 822c7b76b8f..1e377f94fae 100644
--- a/src/librustc_mir/borrow_check/nll/region_infer/mod.rs
+++ b/src/librustc_mir/borrow_check/nll/region_infer/mod.rs
@@ -1486,7 +1486,7 @@ impl<'tcx> RegionInferenceContext<'tcx> {
         &self,
         infcx: &InferCtxt<'_, 'tcx>,
         mir_def_id: DefId,
-        errors_buffer: &mut Vec<Diagnostic>, // TODO
+        errors_buffer: &mut Vec<Diagnostic>,
     ) {
         let pick_constraints = self.pick_constraints.clone();
         for p_c_i in pick_constraints.all_indices() {