diff --git a/raytracing/src/shape.cpp b/raytracing/src/shape.cpp
index b3ef4ed..4f9eb07 100644
--- a/raytracing/src/shape.cpp
+++ b/raytracing/src/shape.cpp
@@ -82,13 +82,6 @@ bool Shape::operator==(const Shape &a_shape) const
 
 /* ------------------------------------------------------------------------- */
 
-bool Shape::is_nothing(void)
-{
-    return (m_id == kNothing);
-}
-
-/* ------------------------------------------------------------------------- */
-
 Matrix &Shape::transform(void)
 {
     return m_transform;
diff --git a/raytracing/src/shape.h b/raytracing/src/shape.h
index c1818df..ba60887 100644
--- a/raytracing/src/shape.h
+++ b/raytracing/src/shape.h
@@ -51,8 +51,6 @@ namespace Raytracer
         const Shape &operator=(const Shape &a_shape);
         bool operator==(const Shape &a_shape) const;
 
-        bool is_nothing(void);
-
         Matrix &transform(void);
         void set_transform(const Matrix &a_transform_matrix);