diff --git a/GPy/models/__init__.py b/GPy/models/__init__.py
index ce7a0d0a..9d5b1d00 100644
--- a/GPy/models/__init__.py
+++ b/GPy/models/__init__.py
@@ -3,7 +3,7 @@
 
 
 from GP_regression import GP_regression
-from sparse_GP_regression import sparse_GP_regression, sgp_debugB, sgp_debugC, sgp_debugE
+from sparse_GP_regression import sparse_GP_regression
 from GPLVM import GPLVM
 from warped_GP import warpedGP
 from GP_EP import GP_EP