diff --git a/modules/gfx/src/impl/trace_renderer_base.cc b/modules/gfx/src/impl/trace_renderer_base.cc
index 46084a880b330f86fe618c86cb88e4eb315bc3d1..7fa679e88e98393087a4f79d3b02df46a60effaf 100644
--- a/modules/gfx/src/impl/trace_renderer_base.cc
+++ b/modules/gfx/src/impl/trace_renderer_base.cc
@@ -96,7 +96,6 @@ geom::AlignedCuboid TraceRendererBase::GetBoundingBox() const
   bool empty=true;
   for (int node_list=0; node_list<trace_subset_.GetSize(); ++node_list) {
     // first build the spline
-    Spline spl;
     const NodeListSubset& nl=trace_subset_[node_list];
     for (int i=0; i<nl.GetSize();++i) {
       const NodeEntry& entry=nl[i];