diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f7f16b..44911a1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -153,7 +153,7 @@ set(SRC_CPP
     mrcal/poseutils-uses-autodiff.cc
     mrcal/poseutils.c
     mrcal/poseutils-opencv.c
-    mrcal/mrcal-opencv.c
+    mrcal/opencv.c
     mrcal/triangulation.cc
 )
 
diff --git a/mrcal b/mrcal
index 0d5426b..c311b0a 160000
--- a/mrcal
+++ b/mrcal
@@ -1 +1 @@
-Subproject commit 0d5426b5851be80dd8e51470a0784a73565a3006
+Subproject commit c311b0acdb29d3f6c1a5abeaf17dc6a7e2ab10d9
diff --git a/src/mrcal_wrapper.cpp b/src/mrcal_wrapper.cpp
index 3ee40bb..805a61b 100644
--- a/src/mrcal_wrapper.cpp
+++ b/src/mrcal_wrapper.cpp
@@ -110,7 +110,7 @@ static std::unique_ptr<mrcal_result> mrcal_calibrate(
 
   // Pool is the raw observation backing array
   mrcal_point3_t *c_observations_board_pool = (observations_board.data());
-  // mrcal_point3_t *c_observations_point_pool = observations_point;
+  mrcal_point3_t *c_observations_point_pool = observations_point;
 
   // Copy from board/point pool above, using some code borrowed from
   // mrcal-pywrap
@@ -154,8 +154,6 @@ static std::unique_ptr<mrcal_result> mrcal_calibrate(
   int Ncameras_extrinsics = 0; // Seems to always be zero for single camera
   int Nframes =
       frames_rt_toref.size(); // Number of pictures of the object we've got
-  // mrcal_observation_point_triangulated_t *observations_point_triangulated =
-  //     NULL;
 
   if (!lensmodel_one_validate_args(&mrcal_lensmodel, intrinsics, false)) {
     auto ret = std::make_unique<mrcal_result>();
@@ -164,9 +162,8 @@ static std::unique_ptr<mrcal_result> mrcal_calibrate(
   }
 
   int Nmeasurements = mrcal_num_measurements(
-      Nobservations_board, Nobservations_point,
-      // observations_point_triangulated,
-      // 0, // hard-coded to 0
+      Nobservations_board, Nobservations_point, NULL,
+      0, // We don't use these, so pass nulls
       calibration_object_width_n, calibration_object_height_n,
       Ncameras_intrinsics, Ncameras_extrinsics, Nframes, Npoints, Npoints_fixed,
       problem_selections, &mrcal_lensmodel);
@@ -197,16 +194,16 @@ static std::unique_ptr<mrcal_result> mrcal_calibrate(
       c_extrinsics, c_frames, c_points, c_calobject_warp, Ncameras_intrinsics,
       Ncameras_extrinsics, Nframes, Npoints, Npoints_fixed,
       c_observations_board, c_observations_point, Nobservations_board,
-      Nobservations_point,
-      // observations_point_triangulated, -1,
-      c_observations_board_pool, &mrcal_lensmodel, c_imagersizes,
-      problem_selections, &problem_constants, calibration_object_spacing,
-      calibration_object_width_n, calibration_object_height_n, verbose, false);
+      Nobservations_point, NULL, -1, // We don't use these, so pass nulls
+      c_observations_board_pool, c_observations_point_pool, &mrcal_lensmodel,
+      c_imagersizes, problem_selections, &problem_constants,
+      calibration_object_spacing, calibration_object_width_n,
+      calibration_object_height_n, verbose, false);
 
   std::vector<double> residuals = {c_x_final, c_x_final + Nmeasurements};
   return std::make_unique<mrcal_result>(
       true, intrinsics, stats.rms_reproj_error__pixels, residuals,
-      calobject_warp, stats.Noutliers);
+      calobject_warp, stats.Noutliers_board);
 }
 
 struct MrcalSolveOptions {