diff --git a/lib/mpl_toolkits/axes_grid1/colorbar.py b/lib/mpl_toolkits/axes_grid1/colorbar.py
index ba56af317864..b60d6a9a9398 100644
--- a/lib/mpl_toolkits/axes_grid1/colorbar.py
+++ b/lib/mpl_toolkits/axes_grid1/colorbar.py
@@ -544,9 +544,8 @@ def _add_solids(self, X, Y, C):
         del self.solids
         del self.dividers
 
-        col = self.ax.pcolor(*args, **kw)
-        col.set_antialiased(False) # This is to suppress artifacts. We
-                                   # may use pcolormesh instead.
+        col = self.ax.pcolormesh(*args, **kw)
+
         self.solids = col
         if self.drawedges:
             self.dividers = collections.LineCollection(self._edges(X,Y),