diff --git a/doc/conf.py b/doc/conf.py
index 3452b8177..89d7d3984 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -16,7 +16,6 @@
 
 # Import so that autodoc can find code
 import ixmp
-import ixmp.testing
 
 # -- Project information ---------------------------------------------------------------