diff --git a/samples/opengl/isosurf/isosurf.bkl b/samples/opengl/isosurf/isosurf.bkl
index bc41cb91eb..fe7525f7af 100644
--- a/samples/opengl/isosurf/isosurf.bkl
+++ b/samples/opengl/isosurf/isosurf.bkl
@@ -10,7 +10,6 @@
gl
core
base
- cube.rc
diff --git a/samples/opengl/isosurf/isosurf.rc b/samples/opengl/isosurf/isosurf.rc
deleted file mode 100644
index 7655c62a4c..0000000000
--- a/samples/opengl/isosurf/isosurf.rc
+++ /dev/null
@@ -1,3 +0,0 @@
-mondrian ICON "mondrian.ico"
-#include "wx/msw/wx.rc"
-