diff --git a/src/librustc_mir/borrow_check/nll/type_check/constraint_conversion.rs b/src/librustc_mir/borrow_check/nll/type_check/constraint_conversion.rs
index 8c7562739a76..0e7f67838238 100644
--- a/src/librustc_mir/borrow_check/nll/type_check/constraint_conversion.rs
+++ b/src/librustc_mir/borrow_check/nll/type_check/constraint_conversion.rs
@@ -3,6 +3,7 @@ use crate::borrow_check::nll::region_infer::TypeTest;
 use crate::borrow_check::nll::type_check::{Locations, MirTypeckRegionConstraints};
 use crate::borrow_check::nll::universal_regions::UniversalRegions;
 use crate::borrow_check::nll::ToRegionVid;
+use rustc::infer::canonical::QueryRegionConstraints;
 use rustc::infer::canonical::QueryOutlivesConstraint;
 use rustc::infer::outlives::env::RegionBoundPairs;
 use rustc::infer::outlives::obligations::{TypeOutlives, TypeOutlivesDelegate};
@@ -49,8 +50,8 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> {
         }
     }
 
-    pub(super) fn convert_all(&mut self, query_constraints: &[QueryOutlivesConstraint<'tcx>]) {
-        for query_constraint in query_constraints {
+    pub(super) fn convert_all(&mut self, query_constraints: &QueryRegionConstraints<'tcx>) {
+        for query_constraint in &query_constraints.outlives {
             self.convert(query_constraint);
         }
     }
diff --git a/src/librustc_mir/borrow_check/nll/type_check/free_region_relations.rs b/src/librustc_mir/borrow_check/nll/type_check/free_region_relations.rs
index e92a10f6d48e..d18a8e87453a 100644
--- a/src/librustc_mir/borrow_check/nll/type_check/free_region_relations.rs
+++ b/src/librustc_mir/borrow_check/nll/type_check/free_region_relations.rs
@@ -287,8 +287,7 @@ impl UniversalRegionRelationsBuilder<'cx, 'tcx> {
             self.relations.relate_universal_regions(fr, fr_fn_body);
         }
 
-        for data in constraint_sets {
-            let QueryRegionConstraints { outlives, pick_constraints: _ } = &*data; // TODO
+        for data in &constraint_sets {
             constraint_conversion::ConstraintConversion::new(
                 self.infcx,
                 &self.universal_regions,
@@ -298,7 +297,7 @@ impl UniversalRegionRelationsBuilder<'cx, 'tcx> {
                 Locations::All(DUMMY_SP),
                 ConstraintCategory::Internal,
                 &mut self.constraints,
-            ).convert_all(outlives);
+            ).convert_all(data);
         }
 
         CreateResult {
diff --git a/src/librustc_mir/borrow_check/nll/type_check/mod.rs b/src/librustc_mir/borrow_check/nll/type_check/mod.rs
index 221eb871dbf8..4b9c61068bdc 100644
--- a/src/librustc_mir/borrow_check/nll/type_check/mod.rs
+++ b/src/librustc_mir/borrow_check/nll/type_check/mod.rs
@@ -1100,8 +1100,6 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
             locations, data
         );
 
-        let QueryRegionConstraints { outlives, pick_constraints: _ } = data; // TODO
-
         constraint_conversion::ConstraintConversion::new(
             self.infcx,
             self.borrowck_context.universal_regions,
@@ -1111,7 +1109,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
             locations,
             category,
             &mut self.borrowck_context.constraints,
-        ).convert_all(outlives);
+        ).convert_all(data);
     }
 
     /// Convenient wrapper around `relate_tys::relate_types` -- see