diff --git a/.gitmodules b/.gitmodules
index 4f25a16..56f1c88 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "regridder"]
 	path = regridder
-	url = https://github.com/nicjhan/ocean-regrid.git
+	url = git@github.com:aidanheerdegen/ocean-regrid.git
diff --git a/makeic.py b/makeic.py
index 672b332..3ca180f 100755
--- a/makeic.py
+++ b/makeic.py
@@ -37,11 +37,6 @@ def main():
     assert args.reanalysis_name == 'GODAS' or args.reanalysis_name == 'ORAS4' or \
         args.reanalysis_name == 'WOA'
 
-    if 'MOM' in args.model_name and args.model_mask is None:
-        print("When using model MOM please provide a mask using --model_mask",
-                file=sys.stderr)
-        return 1
-
     if os.path.exists(args.output_file):
         print("Output file {} already exists, ".format(args.output_file) + \
                "please move or delete.", file=sys.stderr)
diff --git a/regridder b/regridder
index be42675..863229d 160000
--- a/regridder
+++ b/regridder
@@ -1 +1 @@
-Subproject commit be4267513329a6a62553812b7158ecb6d0c74f5a
+Subproject commit 863229d2e340cbb1ce21aefd5fb78ef061853f95