diff --git a/bitmap/float_bm4.cpp b/bitmap/float_bm4.cpp
index 0c201c6a..0ae4249b 100644
--- a/bitmap/float_bm4.cpp
+++ b/bitmap/float_bm4.cpp
@@ -25,7 +25,6 @@
 // In order to handle intersections with wrapped copies, we repeat the bitmap triangles this many
 // times
 constexpr int NREPS_TILE{1};
-extern int n_intersection_calculations;
 
 
 
diff --git a/raytrace/raytrace.cpp b/raytrace/raytrace.cpp
index 76eba523..2dcf6e85 100644
--- a/raytrace/raytrace.cpp
+++ b/raytrace/raytrace.cpp
@@ -233,8 +233,6 @@ void CacheOptimizedTriangle::ChangeIntoIntersectionFormat(void)
 
 }
 
-int n_intersection_calculations=0;
-
 int CacheOptimizedTriangle::ClassifyAgainstAxisSplit(int split_plane, float split_value)
 {
 	// classify a triangle against an axis-aligned plane
@@ -476,7 +474,6 @@ void RayTracingEnvironment::Trace4Rays(const FourRays &rays, fltx4 TMin, fltx4 T
 				TriIntersectData_t const *tri = &( OptimizedTriangleList[tnum].m_Data.m_IntersectData );
 				if ( ( mailboxids[mbox_slot] != tnum ) && ( tri->m_nTriangleID != skip_id ) )
 				{
-					n_intersection_calculations++;
 					mailboxids[mbox_slot] = tnum;
 					// compute plane intersection