From 8f09415b37115f9b0a3b01df8fc00bc0262a733d Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Mon, 15 Jun 2026 08:27:20 -0400
Subject: [PATCH] Remove use of std::binary_function

---
 src/main/Scene.cc   | 1 -
 src/shapes/Shape.cc | 4 ----
 2 files changed, 5 deletions(-)

diff --git a/src/main/Scene.cc b/src/main/Scene.cc
index e3b00bc..19b4015 100644
--- a/src/main/Scene.cc
+++ b/src/main/Scene.cc
@@ -7,7 +7,6 @@
 #include <utility>              /* pair */
 #include <map>
 #include <algorithm>            /* sort() */
-#include <functional>           /* binary_function */
 #include <typeinfo>             /* typeid operator support */
 
 #include "Scene.h"
diff --git a/src/shapes/Shape.cc b/src/shapes/Shape.cc
index e9bdf7e..fd9562b 100644
--- a/src/shapes/Shape.cc
+++ b/src/shapes/Shape.cc
@@ -1,7 +1,6 @@
 
 #include "Shape.h"
 #include <algorithm>                /* sort() */
-#include <functional>               /* binary_function */
 #include <utility>
 using namespace std;
 
@@ -28,9 +27,6 @@ void Shape::setMaterial(refptr<Material> material)
 }
 
 class BoolIntersectionComparator
-    : public std::binary_function<Shape::BoolIntersection,
-                                  Shape::BoolIntersection,
-                                  bool>
 {
     public:
         BoolIntersectionComparator(const Vector & refPoint)