diff --git a/src/processing/__init__.py b/src/processing/__init__.py
index 840cd35a545e3305e451a949a1e0a02eb9fbda55..f937e21ebbe62bbffaaa0f8b39c9c591310d85de 100644
--- a/src/processing/__init__.py
+++ b/src/processing/__init__.py
@@ -103,10 +103,6 @@ def skyline(scene):
     return skyline[np.newaxis, :]
 
 
-def mztest():
-  return 1
-
-
 def michelson_contrast(scene, size=3):
     """Return the michelson constrast