diff --git a/src/blupi.cxx b/src/blupi.cxx
index f3d3d3d..2b57c11 100644
--- a/src/blupi.cxx
+++ b/src/blupi.cxx
@@ -160,7 +160,7 @@ static void UpdateFrame (void)
 
         if (g_pEvent->IsShift()) // screen shifting
         {
-            g_pEvent->DecorAutoShift (posMouse);
+            g_pEvent->DecorAutoShift ();
             g_pDecor->Build (clip, posMouse); // build the environment
         }
         else
@@ -176,7 +176,7 @@ static void UpdateFrame (void)
                 }
             }
 
-            g_pEvent->DecorAutoShift (posMouse);
+            g_pEvent->DecorAutoShift ();
             g_pDecor->Build (clip, posMouse); // build the environment
             g_pDecor->NextPhase (1);          // rebuild the map sometimes
         }
@@ -188,7 +188,7 @@ static void UpdateFrame (void)
         clip.top    = POSDRAWY;
         clip.right  = POSDRAWX + DIMDRAWX;
         clip.bottom = POSDRAWY + DIMDRAWY;
-        g_pEvent->DecorAutoShift (posMouse);
+        g_pEvent->DecorAutoShift ();
         g_pDecor->Build (clip, posMouse); // build the environment
         g_pDecor->NextPhase (-1);         // rebuild the map sometimes
     }
diff --git a/src/event.cxx b/src/event.cxx
index 43f2252..cbddbca 100644
--- a/src/event.cxx
+++ b/src/event.cxx
@@ -3303,7 +3303,7 @@ void CEvent::DecorShift (Sint32 dx, Sint32 dy)
 
 // Décale le décor lorsque la souris touche un bord.
 
-void CEvent::DecorAutoShift (POINT pos)
+void CEvent::DecorAutoShift ()
 {
     Sint32          max;
     POINT       offset;
@@ -3497,7 +3497,7 @@ bool CEvent::PlayDown (POINT pos, const SDL_Event &event)
 
 // Modifie le décor lorsque la souris est déplacée.
 
-bool CEvent::PlayMove (POINT pos, Uint16 mod)
+bool CEvent::PlayMove (POINT pos)
 {
     if (m_bMenu)
     {
@@ -3527,7 +3527,7 @@ bool CEvent::PlayMove (POINT pos, Uint16 mod)
 
 // Modifie le décor lorsque le bouton de la souris est relâché.
 
-bool CEvent::PlayUp (POINT pos, Uint16 mod)
+bool CEvent::PlayUp (POINT pos)
 {
     static Sint32 table_sound_boing[3] =
     {
@@ -4087,14 +4087,6 @@ bool CEvent::BuildMove (POINT pos, Uint16 mod, const SDL_Event &event)
     return true;
 }
 
-// Modifie le décor lorsque le bouton de la souris est relâché.
-
-bool CEvent::BuildUp (POINT pos)
-{
-    return true;
-}
-
-
 // Démarre un film non interractif.
 
 bool CEvent::StartMovie (const char *pFilename)
@@ -5158,7 +5150,7 @@ bool CEvent::TreatEventBase (const SDL_Event &event)
         }
         if (m_phase == WM_PHASE_PLAY)
         {
-            if (PlayMove (pos, m_keymod))
+            if (PlayMove (pos))
                 return true;
         }
         break;
@@ -5174,13 +5166,10 @@ bool CEvent::TreatEventBase (const SDL_Event &event)
         if (EventButtons (event, pos))
             return true;
         if (m_phase == WM_PHASE_BUILD)
-        {
-            if (BuildUp (pos))
-                return true;
-        }
+            return true;
         if (m_phase == WM_PHASE_PLAY)
         {
-            if (PlayUp (pos, m_keymod))
+            if (PlayUp (pos))
                 return true;
         }
         if (m_phase == WM_PHASE_BYE)
diff --git a/src/event.h b/src/event.h
index 5027bef..8bec5e1 100644
--- a/src/event.h
+++ b/src/event.h
@@ -101,7 +101,7 @@ public:
     bool    TreatEvent (const SDL_Event &event);
     bool    TreatEventBase (const SDL_Event &event);
 
-    void    DecorAutoShift (POINT pos);
+    void    DecorAutoShift ();
 
     bool    StartMovie (const char *pFilename);
     void    StopMovie();
@@ -131,8 +131,8 @@ protected:
     void    DecorShift (Sint32 dx, Sint32 dy);
 
     bool    PlayDown (POINT pos, const SDL_Event &event);
-    bool    PlayMove (POINT pos, Uint16 mod);
-    bool    PlayUp (POINT pos, Uint16 mod);
+    bool    PlayMove(POINT pos);
+    bool    PlayUp(POINT pos);
 
     void    SetLanguage ();
     void    SetWindowSize (Uint8 prevScale, Uint8 newScale);
@@ -143,7 +143,6 @@ protected:
     void    BuildWater (POINT cel, Sint32 insIcon);
     bool    BuildDown (POINT pos, Uint16 mod, bool bMix = true);
     bool    BuildMove (POINT pos, Uint16 mod, const SDL_Event &event);
-    bool    BuildUp (POINT pos);
 
     void    PrivateLibelle();
     bool    ReadLibelle (Sint32 world, bool bSchool, bool bHelp);