diff --git a/tailbone/grids/core.py b/tailbone/grids/core.py
index 4a748536..639eabd1 100644
--- a/tailbone/grids/core.py
+++ b/tailbone/grids/core.py
@@ -353,7 +353,13 @@ class Grid(object):
             self.joiners[key] = joiner
 
     def set_sorter(self, key, *args, **kwargs):
-        self.sorters[key] = self.make_sorter(*args, **kwargs)
+        if len(args) == 1 and args[0] is None:
+            self.remove_sorter(key)
+        else:
+            self.sorters[key] = self.make_sorter(*args, **kwargs)
+
+    def remove_sorter(self, key):
+        self.sorters.pop(key, None)
 
     def set_sort_defaults(self, sortkey, sortdir='asc'):
         self.default_sortkey = sortkey