Index: /issm/trunk-jpl/src/m/solve/WriteData.py
===================================================================
--- /issm/trunk-jpl/src/m/solve/WriteData.py	(revision 25315)
+++ /issm/trunk-jpl/src/m/solve/WriteData.py	(revision 25316)
@@ -1,3 +1,3 @@
-from copy import deepcopy
+from copy import copy
 from struct import error, pack
 
@@ -44,9 +44,5 @@
     # model fields.
     #
-    # NOTE: This is a temporary fix to get builds green in Jenkins: without it,
-    #       there still exists a bug wherein model fields are being modified
-    #       (see https://ross.ics.uci.edu/jenkins/view/All/job/Debian_Linux-Python/1036).
-    #
-    data = deepcopy(data)
+    data = copy(data)
 
     #Scale data if necessary
