diff --git a/cpp/GaussianBayesTree.h b/cpp/GaussianBayesTree.h
index 549cd057b..86b3d6baa 100644
--- a/cpp/GaussianBayesTree.h
+++ b/cpp/GaussianBayesTree.h
@@ -19,7 +19,6 @@
 #include "BayesTree.h"
 #include "VectorConfig.h"
 #include "GaussianConditional.h"
-#include "GaussianBayesTree.h"
 
 namespace gtsam {