diff --git a/hoot-core/src/main/cpp/hoot/core/visitors/SpatialIndexer.cpp b/hoot-core/src/main/cpp/hoot/core/visitors/SpatialIndexer.cpp
index f449231..80b029b 100644
--- a/hoot-core/src/main/cpp/hoot/core/visitors/SpatialIndexer.cpp
+++ b/hoot-core/src/main/cpp/hoot/core/visitors/SpatialIndexer.cpp
@@ -35,7 +35,6 @@
#include <hoot/core/criterion/ElementCriterion.h>
#include <hoot/core/algorithms/Distance.h>
#include <hoot/core/criterion/ChainCriterion.h>
-#include <hoot/core/util/StringUtils.h>
// TGS
#include <tgs/RStarTree/IntersectionIterator.h>