diff --git a/src/graphics/referee.cpp b/src/graphics/referee.cpp
index 5f43993a3..18cc6dd01 100644
--- a/src/graphics/referee.cpp
+++ b/src/graphics/referee.cpp
@@ -33,6 +33,7 @@
 #include "utils/log.hpp"
 #include "utils/string_utils.hpp"
 
+#include <ISceneManager.h>
 #include <ITexture.h>
 
 int                   Referee::m_st_first_start_frame  = 1;
@@ -298,3 +299,25 @@ void Referee::setAnimationFrameWithCreatedTicks(int created_ticks)
     frame += (float)m_st_first_rescue_frame;
     m_scene_node->setCurrentFrame(frame);
 }   // setAnimationFrameWithCreatedTicks
+
+// ----------------------------------------------------------------------------
+/** Moves the referee to the specified position. */
+void Referee::setPosition(const Vec3 &xyz)
+{
+    m_scene_node->setPosition(xyz.toIrrVector());
+}   // setPosition
+
+// ----------------------------------------------------------------------------
+/** Sets the rotation of the scene node (in degrees).
+ *  \param hpr Rotation in degrees. */
+void Referee::setRotation(const Vec3 &hpr)
+{
+    m_scene_node->setRotation(hpr.toIrrVector());
+}   // setRotation
+
+// ----------------------------------------------------------------------------
+/** Returns true if this referee is attached to the scene graph. */
+bool Referee::isAttached() const
+{
+    return m_scene_node->getParent() != NULL;
+}   // isAttached
diff --git a/src/graphics/referee.hpp b/src/graphics/referee.hpp
index 5fc2f3e67..476862305 100644
--- a/src/graphics/referee.hpp
+++ b/src/graphics/referee.hpp
@@ -19,10 +19,18 @@
 #ifndef HEADER_REFEREE_HPP
 #define HEADER_REFEREE_HPP
 
-#include <ISceneNode.h>
-#include <IAnimatedMeshSceneNode.h>
-#include <ISceneManager.h>
-#include <IMeshManipulator.h>
+namespace irr
+{
+    namespace scene
+    {
+        class IAnimatedMesh; class IAnimatedMeshSceneNode; class ISceneNode;
+    }
+    namespace video
+    {
+        class ITexture;
+    }
+}
+
 using namespace irr;
 
 #include "utils/vec3.hpp"
@@ -96,17 +104,11 @@ public:
     /** Returns the scene node of this referee. */
     scene::IAnimatedMeshSceneNode* getSceneNode() { return m_scene_node; }
     // ------------------------------------------------------------------------
-    /** Moves the referee to the specified position. */
-    void        setPosition(const Vec3 &xyz)
-                {m_scene_node->setPosition(xyz.toIrrVector()); }
+    void        setPosition(const Vec3 &xyz);
     // ------------------------------------------------------------------------
-    /** Sets the rotation of the scene node (in degrees).
-     *  \param hpr Rotation in degrees. */
-    void        setRotation(const Vec3 &hpr)
-                { m_scene_node->setRotation(hpr.toIrrVector()); }
+    void        setRotation(const Vec3 &hpr);
     // ------------------------------------------------------------------------
-    /** Returns true if this referee is attached to the scene graph. */
-    bool        isAttached() const {return m_scene_node->getParent()!=NULL;}
+    bool        isAttached() const;
     // ------------------------------------------------------------------------
     void        setAnimationFrameWithCreatedTicks(int created_ticks);
     // ------------------------------------------------------------------------