diff --git a/ice_in b/ice_in
index ce200c1..91f4c9c 100644
--- a/ice_in
+++ b/ice_in
@@ -8,7 +8,6 @@
   dump_last = .true.
   histfreq = "d", "m", "x", "x", "x"
   ice_ic = "./input/iced.1900-01-01-10800.nc"
-  lcdf64 = .true.
   npt = 35040
   pointer_file      = './rpointer.ice'
   print_global      = .false.