diff --git a/cuburn/genome/blend.py b/cuburn/genome/blend.py
index 99bc7f4..886de64 100644
--- a/cuburn/genome/blend.py
+++ b/cuburn/genome/blend.py
@@ -223,8 +223,7 @@ hole_variations = ('spherical ngon julian juliascope polar '
                    'wedge_sph wedge_julia bipolar').split()
 
 # These variations are identity functions at their default values
-ident_variations = ('rectangles rings2 fan2 blob perspective '
-                    'super_shape').split()
+ident_variations = ('rectangles fan2 blob perspective super_shape').split()
 
 def padding_xform(xf, isfinal):
     vars = {}