diff --git a/tests/libslic3r/test_voronoi.cpp b/tests/libslic3r/test_voronoi.cpp
index ecac40d5ae..69b8674567 100644
--- a/tests/libslic3r/test_voronoi.cpp
+++ b/tests/libslic3r/test_voronoi.cpp
@@ -7,14 +7,12 @@
 #include <libslic3r/Geometry.hpp>
 
 #include <libslic3r/VoronoiOffset.hpp>
+#include <libslic3r/VoronoiVisualUtils.hpp>
+
 #include <numeric>
 
 // #define VORONOI_DEBUG_OUT
 
-#ifdef VORONOI_DEBUG_OUT
-#include <libslic3r/VoronoiVisualUtils.hpp>
-#endif
-
 using boost::polygon::voronoi_builder;
 using boost::polygon::voronoi_diagram;