diff --git a/src/Instrumentation/od_gauge.cxx b/src/Instrumentation/od_gauge.cxx
index e5eed1efc..707030ef6 100644
--- a/src/Instrumentation/od_gauge.cxx
+++ b/src/Instrumentation/od_gauge.cxx
@@ -38,7 +38,6 @@
 #include <osgDB/FileNameUtils>
 
 #include <simgear/scene/util/RenderConstants.hxx>
-#include <simgear/screen/extensions.hxx>
 #include <simgear/debug/logstream.hxx>
 
 #include <Main/globals.hxx>
diff --git a/src/Main/renderer.cxx b/src/Main/renderer.cxx
index 05c1032a1..3cd5a7618 100644
--- a/src/Main/renderer.cxx
+++ b/src/Main/renderer.cxx
@@ -57,7 +57,6 @@
 #include <osgDB/WriteFile>
 
 #include <simgear/math/SGMath.hxx>
-#include <simgear/screen/extensions.hxx>
 #include <simgear/scene/material/matlib.hxx>
 #include <simgear/scene/model/animation.hxx>
 #include <simgear/scene/model/placement.hxx>
diff --git a/src/Main/renderer.hxx b/src/Main/renderer.hxx
index 41e4daa2b..5fd8e9b36 100644
--- a/src/Main/renderer.hxx
+++ b/src/Main/renderer.hxx
@@ -2,7 +2,6 @@
 #ifndef __FG_RENDERER_HXX
 #define __FG_RENDERER_HXX 1
 
-#include <simgear/screen/extensions.hxx>
 #include <simgear/scene/util/SGPickCallback.hxx>
 
 #include <osg/ref_ptr>