diff --git a/libsrc/csg/csg.hpp b/libsrc/csg/csg.hpp
index ec3ad1e1..c04390a4 100644
--- a/libsrc/csg/csg.hpp
+++ b/libsrc/csg/csg.hpp
@@ -10,7 +10,6 @@
 #include <myadt.hpp>
 #include <gprim.hpp>
 #include <meshing.hpp>
-#include <vector>
 // #include <geometry2d.hpp>
 #include "../gprim/spline.hpp"
 #include "../gprim/splinegeometry.hpp"