diff --git a/cctbx/run_tests.py b/cctbx/run_tests.py
index 461d49ee4e..9bfb8e8ac0 100644
--- a/cctbx/run_tests.py
+++ b/cctbx/run_tests.py
@@ -101,7 +101,6 @@
   "$D/maptbx/tst_real_space_refinement_simple.py",
   "$D/maptbx/tst_interpolation.py",
   "$D/maptbx/tst_interpolation_2.py",
-  "$D/regression/tst_loc_res.py",
   "$D/maptbx/tst_target_and_gradients.py",
   ["$D/regression/tst_miller_merge_equivalents.py", "P31"],
   ["$D/regression/tst_grouped_data.py", "P31"],