diff --git a/Orthtree/doc/Orthtree/PackageDescription.txt b/Orthtree/doc/Orthtree/PackageDescription.txt
index c1baeeae849..d9e578e2709 100644
--- a/Orthtree/doc/Orthtree/PackageDescription.txt
+++ b/Orthtree/doc/Orthtree/PackageDescription.txt
@@ -13,8 +13,6 @@ Quadtree, Octree and Orthtree Reference
 /// \defgroup PkgOrthtreeTraversal Traversal
 /// \ingroup PkgOrthtreeRef
 
-/// \defgroup PkgOrthtreeNeighbors Neighbor Search Functions
-/// \ingroup PkgOrthtreeRef
 
 
 /*!