diff --git a/rubin_sim/maf/run_moving_calc.py b/rubin_sim/maf/run_moving_calc.py
index 5a6904af9..9b26ae468 100755
--- a/rubin_sim/maf/run_moving_calc.py
+++ b/rubin_sim/maf/run_moving_calc.py
@@ -4,9 +4,9 @@
 import os
 
 import numpy as np
+from rubin_scheduler.utils import survey_start_mjd
 
 from rubin_sim.maf.slicers import MoObjSlicer
-from rubin_sim.utils import survey_start_mjd
 
 from . import batches as batches
 from . import db as db
diff --git a/rubin_sim/maf/run_moving_fractions.py b/rubin_sim/maf/run_moving_fractions.py
index bb9fcbba4..f308ec348 100755
--- a/rubin_sim/maf/run_moving_fractions.py
+++ b/rubin_sim/maf/run_moving_fractions.py
@@ -5,8 +5,7 @@
 import os
 
 import numpy as np
-
-from rubin_sim.utils import survey_start_mjd
+from rubin_scheduler.utils import survey_start_mjd
 
 from . import batches as batches
 from . import db as db