diff --git a/python/lsst/drp/tasks/assemble_coadd.py b/python/lsst/drp/tasks/assemble_coadd.py
index 34fb3904..b0ec9890 100644
--- a/python/lsst/drp/tasks/assemble_coadd.py
+++ b/python/lsst/drp/tasks/assemble_coadd.py
@@ -1482,7 +1482,6 @@ def setDefaults(self):
         self.detectTemplate.doTempLocalBackground = False
         self.detectTemplate.reEstimateBackground = False
         self.detectTemplate.returnOriginalFootprints = False
-        self.doWriteArtifactMasks = True
 
     def validate(self):
         super().validate()