diff --git a/src/buttons.c b/src/buttons.c
index 777ed189..fc236da8 100644
--- a/src/buttons.c
+++ b/src/buttons.c
@@ -77,10 +77,6 @@
 #include "tiles.h"
 #include "setup.h"
 
-#ifdef __VBCC__
-    #define __attribute__(x)
-#endif
-
 #if defined(__amigaos4__) || defined(__AROS__) || defined(__MORPHOS__) || defined(__amigaos__)
     #include <proto/dos.h>
     #include <dirent.h>
diff --git a/src/fileformats.c b/src/fileformats.c
index 8f8d25a5..9ba6bb39 100644
--- a/src/fileformats.c
+++ b/src/fileformats.c
@@ -3723,8 +3723,9 @@ void Test_PNG(T_IO_Context * context)
 /// Used by a callback in Load_PNG
 T_IO_Context * PNG_current_context;
 
-int PNG_read_unknown_chunk(__attribute__((unused)) png_structp ptr, png_unknown_chunkp chunk)
+int PNG_read_unknown_chunk(png_structp ptr, png_unknown_chunkp chunk)
 {
+  (void)ptr; // unused
   // png_unknown_chunkp members:
   //    png_byte name[5];
   //    png_byte *data;
diff --git a/src/graph.c b/src/graph.c
index 2344134e..4a696e77 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -51,10 +51,6 @@
 #include "brush.h"
 #include "tiles.h"
 
-#ifdef __VBCC__
-    #define __attribute__(x)
-#endif
-
 #if defined(__VBCC__) || defined(__GP2X__) || defined(__WIZ__) || defined(__CAANOO__)
     #define M_PI 3.141592653589793238462643
 #endif
@@ -1225,8 +1221,10 @@ void Fill_general(byte fill_color)
   }
 
   // Affichage d'un point pour une preview en xor
-  void Pixel_figure_preview_xor(word x_pos,word y_pos,__attribute__((unused)) byte color)
+  void Pixel_figure_preview_xor(word x_pos,word y_pos,byte color)
   {
+    (void)color; // unused
+    
     if ( (x_pos>=Limit_left) &&
          (x_pos<=Limit_right) &&
          (y_pos>=Limit_top)   &&
@@ -1237,8 +1235,10 @@ void Fill_general(byte fill_color)
   
   // Affichage d'un point pour une preview en xor additif
   // (Il lit la couleur depuis la page backup)
-  void Pixel_figure_preview_xorback(word x_pos,word y_pos,__attribute__((unused)) byte color)
+  void Pixel_figure_preview_xorback(word x_pos,word y_pos,byte color)
   {
+    (void)color; // unused
+    
     if ( (x_pos>=Limit_left) &&
          (x_pos<=Limit_right) &&
          (y_pos>=Limit_top)   &&
@@ -1248,8 +1248,10 @@ void Fill_general(byte fill_color)
   
 
   // Effacement d'un point de preview
-  void Pixel_figure_clear_preview(word x_pos,word y_pos,__attribute__((unused)) byte color)
+  void Pixel_figure_clear_preview(word x_pos,word y_pos,byte color)
   {
+    (void)color; // unused
+    
     if ( (x_pos>=Limit_left) &&
          (x_pos<=Limit_right) &&
          (y_pos>=Limit_top)   &&
@@ -2818,15 +2820,20 @@ void Display_pixel(word x,word y,byte color)
 
   // -- Aucun effet en cours --
 
-byte No_effect(__attribute__((unused)) word x,__attribute__((unused)) word y,byte color)
+byte No_effect(word x, word y, byte color)
 {
+  (void)x; // unused
+  (void)y; // unused
+  
   return color;
 }
 
   // -- Effet de Shading --
 
-byte Effect_shade(word x,word y,__attribute__((unused)) byte color)
+byte Effect_shade(word x,word y,byte color)
 {
+  (void)color; // unused
+  
   return Shade_table[Read_pixel_from_feedback_screen(x,y)];
 }
 
@@ -2879,21 +2886,24 @@ byte Effect_quick_shade(word x,word y,byte color)
 
   // -- Effet de Tiling --
 
-byte Effect_tiling(word x,word y,__attribute__((unused)) byte color)
+byte Effect_tiling(word x,word y,byte color)
 {
+  (void)color; // unused
+  
   return Read_pixel_from_brush((x+Brush_width-Tiling_offset_X)%Brush_width,
                                (y+Brush_height-Tiling_offset_Y)%Brush_height);
 }
 
   // -- Effet de Smooth --
 
-byte Effect_smooth(word x,word y,__attribute__((unused)) byte color)
+byte Effect_smooth(word x,word y,byte color)
 {
   int r,g,b;
   byte c;
   int weight,total_weight;
   byte x2=((x+1)<Main_image_width);
   byte y2=((y+1)<Main_image_height);
+  (void)color; // unused
 
   // On commence par le pixel central
   c=Read_pixel_from_feedback_screen(x,y);
diff --git a/src/input.c b/src/input.c
index 241dc964..70a981b5 100644
--- a/src/input.c
+++ b/src/input.c
@@ -38,13 +38,9 @@
 #include "input.h"
 #include "loadsave.h"
 
-#ifdef __VBCC__
-  #define __attribute__(x)
-#endif
-
 void Handle_window_resize(SDL_ResizeEvent event);
 void Handle_window_exit(SDL_QuitEvent event);
-int Color_cycling(__attribute__((unused)) void* useless);
+int Color_cycling(void);
 
 // public Globals (available as extern)
 
@@ -293,8 +289,10 @@ void Handle_window_resize(SDL_ResizeEvent event)
     Resize_height = event.h;
 }
 
-void Handle_window_exit(__attribute__((unused)) SDL_QuitEvent event)
+void Handle_window_exit(SDL_QuitEvent event)
 {
+    (void)event, // unused
+    
     Quit_is_required = 1;
 }
 
@@ -825,7 +823,7 @@ int Get_input(int sleep_time)
     // This is done in this function because it's called after reading 
     // some user input.
     Flush_update();
-    Color_cycling(NULL);
+    Color_cycling();
     Key_ANSI = 0;
     Key = 0;
     Mouse_moved=0;
@@ -1043,7 +1041,7 @@ void Set_mouse_position(void)
     SDL_WarpMouse(Mouse_X*Pixel_width, Mouse_Y*Pixel_height);
 }
 
-int Color_cycling(__attribute__((unused)) void* useless)
+int Color_cycling(void)
 {
   static byte offset[16];
   int i, color;
diff --git a/src/io.c b/src/io.c
index b086e8dc..277e92da 100644
--- a/src/io.c
+++ b/src/io.c
@@ -317,16 +317,12 @@ int Directory_exists(char * directory)
   }
 }
 
-#if defined(__amigaos4__) || defined(__AROS__) || defined(__MORPHOS__) || defined(__amigaos__) || defined(__MINT__)
-  #define FILE_IS_HIDDEN_ATTRIBUTE __attribute__((unused)) 
-#else
-  #define FILE_IS_HIDDEN_ATTRIBUTE
-#endif
 /// Check if a file or directory is hidden.
-int File_is_hidden(FILE_IS_HIDDEN_ATTRIBUTE const char *fname, const char *full_name)
+int File_is_hidden(const char *fname, const char *full_name)
 {
 #if defined(__amigaos4__) || defined(__AROS__) || defined(__MORPHOS__) || defined(__amigaos__) || defined(__MINT__)
   // False (unable to determine, or irrrelevent for platform)
+  (void)fname;//unused
   (void)full_name;//unused
   return 0;
 #elif defined(__WIN32__)
diff --git a/src/miscfileformats.c b/src/miscfileformats.c
index aec4713d..9d267a36 100644
--- a/src/miscfileformats.c
+++ b/src/miscfileformats.c
@@ -2879,7 +2879,7 @@ void Save_C64(T_IO_Context * context)
 
 // SCR (Amstrad CPC)
 
-void Test_SCR(__attribute__((unused)) T_IO_Context * context)
+void Test_SCR(T_IO_Context * context)
 {
     // Mmh... not sure what we could test. Any idea ?
     // The palette file can be tested, if it exists and have the right size it's
@@ -2888,9 +2888,10 @@ void Test_SCR(__attribute__((unused)) T_IO_Context * context)
     
     // An AMSDOS header would be a good indication but in some cases it may not
     // be there
+    (void)context; // unused
 }
 
-void Load_SCR(__attribute__((unused)) T_IO_Context * context)
+void Load_SCR(T_IO_Context * context)
 {
     // The Amstrad CPC screen memory is mapped in a weird mode, somewhere
     // between bitmap and textmode. Basically the only way to decode this is to
@@ -2919,6 +2920,7 @@ void Load_SCR(__attribute__((unused)) T_IO_Context * context)
     // 6) Open the file
     // 7) Run around the screen to untangle the pixeldata
     // 8) Close the file
+    (void)context; // unused
 }
 
 void Save_SCR(T_IO_Context * context)
diff --git a/src/mountlist.c b/src/mountlist.c
index 94de1ddc..96143a23 100644
--- a/src/mountlist.c
+++ b/src/mountlist.c
@@ -338,26 +338,18 @@ fstype_to_string (int t)
 }
 #endif /* MOUNTED_VMOUNT */
 
-#ifdef __linux__
-  #define BROKEN __attribute__((unused))
-#else
-  #define BROKEN
-#endif
-
-
 #if defined MOUNTED_GETMNTENT1 || defined MOUNTED_GETMNTENT2
 
 /* Return the device number from MOUNT_OPTIONS, if possible.
    Otherwise return (dev_t) -1.  */
 
 static dev_t
-dev_from_mount_options (BROKEN char const *mount_options)
+dev_from_mount_options (char const *mount_options)
 {
   /* GNU/Linux allows file system implementations to define their own
      meaning for "dev=" mount options, so don't trust the meaning
      here.  */
 # ifndef __linux__
-
   static char const dev_pattern[] = ",dev=";
   char const *devopt = strstr (mount_options, dev_pattern);
 
@@ -374,7 +366,8 @@ dev_from_mount_options (BROKEN char const *mount_options)
           && dev == (dev_t) dev)
         return dev;
     }
-
+#else
+  (void)mount_options; // unused
 # endif
 
   return -1;
@@ -388,11 +381,12 @@ dev_from_mount_options (BROKEN char const *mount_options)
    the returned list are valid.  Otherwise, they might not be.  */
 
 struct mount_entry *
-read_file_system_list (BROKEN bool need_fs_type)
+read_file_system_list (bool need_fs_type)
 {
   struct mount_entry *mount_list;
   struct mount_entry *me;
   struct mount_entry **mtail = &mount_list;
+  (void)need_fs_type; // may be unused
 
 #ifdef MOUNTED_LISTMNTENT
   {
diff --git a/src/op_c.c b/src/op_c.c
index 1f46666f..fd785223 100644
--- a/src/op_c.c
+++ b/src/op_c.c
@@ -1208,13 +1208,14 @@ void Convert_24b_bitmap_to_256_Floyd_Steinberg(T_Bitmap256 dest,T_Bitmap24B sour
 
 /// Converts from 24b to 256c without dithering, using given conversion table
 void Convert_24b_bitmap_to_256_nearest_neighbor(T_Bitmap256 dest,
-  T_Bitmap24B source, int width, int height, __attribute__((unused)) T_Components * palette,
+  T_Bitmap24B source, int width, int height, T_Components * palette,
   CT_Tree* tc)
 {
   T_Bitmap24B current;
   T_Bitmap256 d;
   int x_pos, y_pos;
   int red, green, blue;
+  (void)palette; // unused
 
   // On initialise les variables de parcours:
   current =source; // Le pixel dont on s'occupe
diff --git a/src/pxdouble.c b/src/pxdouble.c
index 99a63f55..269ffaea 100644
--- a/src/pxdouble.c
+++ b/src/pxdouble.c
@@ -34,9 +34,6 @@
 #define ZOOMX 2
 #define ZOOMY 2
 
-#ifdef __VBCC__
- #define __attribute__(x)
-#endif
 
 void Pixel_double (word x,word y,byte color)
 /* Affiche un pixel de la color aux coords x;y à l'écran */
@@ -216,12 +213,15 @@ void Display_brush_mono_double(word x_pos, word y_pos,
   Update_rect(x_pos,y_pos,width,height);
 }
 
-void Clear_brush_double(word x_pos,word y_pos,__attribute__((unused)) word x_offset,__attribute__((unused)) word y_offset,word width,word height,__attribute__((unused))byte transp_color,word image_width)
+void Clear_brush_double(word x_pos,word y_pos,word x_offset,word y_offset,word width,word height,byte transp_color,word image_width)
 {
   byte* dest=Screen_pixels+x_pos*ZOOMX+y_pos*ZOOMY*VIDEO_LINE_WIDTH; //On va se mettre en 0,0 dans l'écran (dest)
   byte* src = ( y_pos + Main_offset_Y ) * image_width + x_pos + Main_offset_X + Main_screen; //Coords de départ ds la source (src)
   int y;
   int x;
+  (void)x_offset; // unused
+  (void)y_offset; // unused
+  (void)transp_color; // unused
 
   for(y=height;y!=0;y--)
   // Pour chaque ligne
@@ -471,13 +471,14 @@ void Display_brush_mono_zoom_double(word x_pos, word y_pos,
   }
 }
 
-void Clear_brush_scaled_double(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,__attribute__((unused)) byte transp_color,word image_width,byte * buffer)
+void Clear_brush_scaled_double(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,byte transp_color,word image_width,byte * buffer)
 {
 
   // En fait on va recopier l'image non zoomée dans la partie zoomée !
   byte* src = Main_screen + y_offset * image_width + x_offset;
   int y = y_pos;
   int bx;
+  (void)transp_color; // unused
 
   // Pour chaque ligne à zoomer
   while(1){
diff --git a/src/pxquad.c b/src/pxquad.c
index 47609320..e9778a51 100644
--- a/src/pxquad.c
+++ b/src/pxquad.c
@@ -33,9 +33,6 @@
 #define ZOOMX 4
 #define ZOOMY 4
 
-#ifdef __VBCC__
-  #define __attribute__(x)
-#endif
 
 void Pixel_quad (word x,word y,byte color)
 /* Affiche un pixel de la color aux coords x;y à l'écran */
@@ -231,12 +228,15 @@ void Display_brush_mono_quad(word x_pos, word y_pos,
   Update_rect(x_pos,y_pos,width,height);
 }
 
-void Clear_brush_quad(word x_pos,word y_pos,__attribute__((unused)) word x_offset,__attribute__((unused)) word y_offset,word width,word height,__attribute__((unused))byte transp_color,word image_width)
+void Clear_brush_quad(word x_pos,word y_pos,word x_offset,word y_offset,word width,word height,byte transp_color,word image_width)
 {
   byte* dest=Screen_pixels+x_pos*ZOOMX+y_pos*ZOOMY*VIDEO_LINE_WIDTH; //On va se mettre en 0,0 dans l'écran (dest)
   byte* src = ( y_pos + Main_offset_Y ) * image_width + x_pos + Main_offset_X + Main_screen; //Coords de départ ds la source (src)
   int y;
   int x;
+  (void)x_offset; // unused
+  (void)y_offset; // unused
+  (void)transp_color; // unused
 
   for(y=height;y!=0;y--)
   // Pour chaque ligne
@@ -505,13 +505,14 @@ void Display_brush_mono_zoom_quad(word x_pos, word y_pos,
   }
 }
 
-void Clear_brush_scaled_quad(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,__attribute__((unused)) byte transp_color,word image_width,byte * buffer)
+void Clear_brush_scaled_quad(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,byte transp_color,word image_width,byte * buffer)
 {
 
   // En fait on va recopier l'image non zoomée dans la partie zoomée !
   byte* src = Main_screen + y_offset * image_width + x_offset;
   int y = y_pos;
   int bx;
+  (void)transp_color; // unused
 
   // Pour chaque ligne à zoomer
   while(1){
diff --git a/src/pxsimple.c b/src/pxsimple.c
index 9cfaff3f..d00fa142 100644
--- a/src/pxsimple.c
+++ b/src/pxsimple.c
@@ -30,9 +30,6 @@
 #include "graph.h"
 #include "pxsimple.h"
 
-#ifdef __VBCC__
-    #define __attribute__(x)
-#endif
 
 void Pixel_simple (word x,word y,byte color)
 /* Affiche un pixel de la color aux coords x;y à l'écran */
@@ -200,11 +197,14 @@ void Display_brush_mono_simple(word x_pos, word y_pos,
   Update_rect(x_pos,y_pos,width,height);
 }
 
-void Clear_brush_simple(word x_pos,word y_pos,__attribute__((unused)) word x_offset,__attribute__((unused)) word y_offset,word width,word height,__attribute__((unused))byte transp_color,word image_width)
+void Clear_brush_simple(word x_pos,word y_pos,word x_offset,word y_offset,word width,word height,byte transp_color,word image_width)
 {
   byte* dest=Screen_pixels+x_pos+y_pos*VIDEO_LINE_WIDTH; //On va se mettre en 0,0 dans l'écran (dest)
   byte* src = ( y_pos + Main_offset_Y ) * image_width + x_pos + Main_offset_X + Main_screen; //Coords de départ ds la source (src)
   int y;
+  (void)x_offset; // unused
+  (void)y_offset; // unused
+  (void)transp_color; // unused
 
   for(y=height;y!=0;y--)
   // Pour chaque ligne
@@ -445,12 +445,13 @@ void Display_brush_mono_zoom_simple(word x_pos, word y_pos,
   }
 }
 
-void Clear_brush_scaled_simple(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,__attribute__((unused)) byte transp_color,word image_width,byte * buffer)
+void Clear_brush_scaled_simple(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,byte transp_color,word image_width,byte * buffer)
 {
   // En fait on va recopier l'image non zoomée dans la partie zoomée !
   byte* src = Main_screen + y_offset * image_width + x_offset;
   int y = y_pos;
   int bx;
+  (void)transp_color; // unused
 
   // Pour chaque ligne à zoomer
   while(1){
diff --git a/src/pxtall.c b/src/pxtall.c
index b62a3986..ad1bfea2 100644
--- a/src/pxtall.c
+++ b/src/pxtall.c
@@ -34,9 +34,6 @@
 #define ZOOMX 1
 #define ZOOMY 2
 
-#ifdef __VBCC__
-  #define __attribute__(x)
-#endif
 
 void Pixel_tall (word x,word y,byte color)
 /* Affiche un pixel de la color aux coords x;y à l'écran */
@@ -215,11 +212,14 @@ void Display_brush_mono_tall(word x_pos, word y_pos,
   Update_rect(x_pos,y_pos,width,height);
 }
 
-void Clear_brush_tall(word x_pos,word y_pos,__attribute__((unused)) word x_offset,__attribute__((unused)) word y_offset,word width,word height,__attribute__((unused))byte transp_color,word image_width)
+void Clear_brush_tall(word x_pos,word y_pos,word x_offset,word y_offset,word width,word height,byte transp_color,word image_width)
 {
   byte* dest=Screen_pixels+x_pos+y_pos*ZOOMY*VIDEO_LINE_WIDTH; //On va se mettre en 0,0 dans l'écran (dest)
   byte* src = ( y_pos + Main_offset_Y ) * image_width + x_pos + Main_offset_X + Main_screen; //Coords de départ ds la source (src)
   int y;
+  (void)x_offset; // unused
+  (void)y_offset; // unused
+  (void)transp_color; // unused
 
   for(y=height;y!=0;y--)
   // Pour chaque ligne
@@ -430,12 +430,13 @@ void Display_brush_mono_zoom_tall(word x_pos, word y_pos,
   }
 }
 
-void Clear_brush_scaled_tall(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,__attribute__((unused)) byte transp_color,word image_width,byte * buffer)
+void Clear_brush_scaled_tall(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,byte transp_color,word image_width,byte * buffer)
 {
   // En fait on va recopier l'image non zoomée dans la partie zoomée !
   byte* src = Main_screen + y_offset * image_width + x_offset;
   int y = y_pos;
   int bx;
+  (void)transp_color; // unused
 
   // Pour chaque ligne à zoomer
   while(1){
diff --git a/src/pxtall2.c b/src/pxtall2.c
index 1e45b972..a1c9ef0e 100644
--- a/src/pxtall2.c
+++ b/src/pxtall2.c
@@ -33,9 +33,6 @@
 #define ZOOMX 2
 #define ZOOMY 4
 
-#ifdef __VBCC__
-  #define __attribute__(x)
-#endif
 
 void Pixel_tall2 (word x,word y,byte color)
 /* Affiche un pixel de la color aux coords x;y à l'écran */
@@ -223,12 +220,15 @@ void Display_brush_mono_tall2(word x_pos, word y_pos,
   Update_rect(x_pos,y_pos,width,height);
 }
 
-void Clear_brush_tall2(word x_pos,word y_pos,__attribute__((unused)) word x_offset,__attribute__((unused)) word y_offset,word width,word height,__attribute__((unused))byte transp_color,word image_width)
+void Clear_brush_tall2(word x_pos,word y_pos,word x_offset,word y_offset,word width,word height,byte transp_color,word image_width)
 {
   byte* dest=Screen_pixels+x_pos*ZOOMX+y_pos*ZOOMY*VIDEO_LINE_WIDTH; //On va se mettre en 0,0 dans l'écran (dest)
   byte* src = ( y_pos + Main_offset_Y ) * image_width + x_pos + Main_offset_X + Main_screen; //Coords de départ ds la source (src)
   int y;
   int x;
+  (void)x_offset; // unused
+  (void)y_offset; // unused
+  (void)transp_color; // unused
 
   for(y=height;y!=0;y--)
   // Pour chaque ligne
@@ -497,13 +497,14 @@ void Display_brush_mono_zoom_tall2(word x_pos, word y_pos,
   }
 }
 
-void Clear_brush_scaled_tall2(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,__attribute__((unused)) byte transp_color,word image_width,byte * buffer)
+void Clear_brush_scaled_tall2(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,byte transp_color,word image_width,byte * buffer)
 {
 
   // En fait on va recopier l'image non zoomée dans la partie zoomée !
   byte* src = Main_screen + y_offset * image_width + x_offset;
   int y = y_pos;
   int bx;
+  (void)transp_color; // unused
 
   // Pour chaque ligne à zoomer
   while(1){
diff --git a/src/pxtriple.c b/src/pxtriple.c
index 39fb7189..6ca00f91 100644
--- a/src/pxtriple.c
+++ b/src/pxtriple.c
@@ -33,9 +33,6 @@
 #define ZOOMX 3
 #define ZOOMY 3
 
-#ifdef __VBCC__
-  #define __attribute__(x)
-#endif
 
 void Pixel_triple (word x,word y,byte color)
 /* Affiche un pixel de la color aux coords x;y à l'écran */
@@ -222,12 +219,15 @@ void Display_brush_mono_triple(word x_pos, word y_pos,
   Update_rect(x_pos,y_pos,width,height);
 }
 
-void Clear_brush_triple(word x_pos,word y_pos,__attribute__((unused)) word x_offset,__attribute__((unused)) word y_offset,word width,word height,__attribute__((unused))byte transp_color,word image_width)
+void Clear_brush_triple(word x_pos,word y_pos,word x_offset,word y_offset,word width,word height,byte transp_color,word image_width)
 {
   byte* dest=Screen_pixels+x_pos*ZOOMX+y_pos*ZOOMY*VIDEO_LINE_WIDTH; //On va se mettre en 0,0 dans l'écran (dest)
   byte* src = ( y_pos + Main_offset_Y ) * image_width + x_pos + Main_offset_X + Main_screen; //Coords de départ ds la source (src)
   int y;
   int x;
+  (void)x_offset; // unused
+  (void)y_offset; // unused
+  (void)transp_color; // unused
 
   for(y=height;y!=0;y--)
   // Pour chaque ligne
@@ -493,13 +493,14 @@ void Display_brush_mono_zoom_triple(word x_pos, word y_pos,
   }
 }
 
-void Clear_brush_scaled_triple(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,__attribute__((unused)) byte transp_color,word image_width,byte * buffer)
+void Clear_brush_scaled_triple(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,byte transp_color,word image_width,byte * buffer)
 {
 
   // En fait on va recopier l'image non zoomée dans la partie zoomée !
   byte* src = Main_screen + y_offset * image_width + x_offset;
   int y = y_pos;
   int bx;
+  (void)transp_color; // unused
 
   // Pour chaque ligne à zoomer
   while(1){
diff --git a/src/pxwide.c b/src/pxwide.c
index e1aa8055..761932e6 100644
--- a/src/pxwide.c
+++ b/src/pxwide.c
@@ -33,9 +33,6 @@
 #define ZOOMX 2
 #define ZOOMY 1
 
-#ifdef __VBCC__
-  #define __attribute__(x)
-#endif
 
 void Pixel_wide (word x,word y,byte color)
 /* Affiche un pixel de la color aux coords x;y à l'écran */
@@ -211,12 +208,15 @@ void Display_brush_mono_wide(word x_pos, word y_pos,
   Update_rect(x_pos,y_pos,width,height);
 }
 
-void Clear_brush_wide(word x_pos,word y_pos,__attribute__((unused)) word x_offset,__attribute__((unused)) word y_offset,word width,word height,__attribute__((unused))byte transp_color,word image_width)
+void Clear_brush_wide(word x_pos,word y_pos,word x_offset,word y_offset,word width,word height,byte transp_color,word image_width)
 {
   byte* dest=Screen_pixels+x_pos*ZOOMX+y_pos*ZOOMY*VIDEO_LINE_WIDTH; //On va se mettre en 0,0 dans l'écran (dest)
   byte* src = ( y_pos + Main_offset_Y ) * image_width + x_pos + Main_offset_X + Main_screen; //Coords de départ ds la source (src)
   int y;
   int x;
+  (void)x_offset; // unused
+  (void)y_offset; // unused
+  (void)transp_color; // unused
 
   for(y=height;y!=0;y--)
   // Pour chaque ligne
@@ -481,12 +481,13 @@ void Display_brush_mono_zoom_wide(word x_pos, word y_pos,
   }
 }
 
-void Clear_brush_scaled_wide(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,__attribute__((unused)) byte transp_color,word image_width,byte * buffer)
+void Clear_brush_scaled_wide(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,byte transp_color,word image_width,byte * buffer)
 {
   // En fait on va recopier l'image non zoomée dans la partie zoomée !
   byte* src = Main_screen + y_offset * image_width + x_offset;
   int y = y_pos;
   int bx;
+  (void)transp_color; // unused
 
   // Pour chaque ligne à zoomer
   while(1){
diff --git a/src/pxwide2.c b/src/pxwide2.c
index 0fcd8104..868ef942 100644
--- a/src/pxwide2.c
+++ b/src/pxwide2.c
@@ -33,9 +33,6 @@
 #define ZOOMX 4
 #define ZOOMY 2
 
-#ifdef __VBCC__
-  #define __attribute__(w)
-#endif
 
 void Pixel_wide2 (word x,word y,byte color)
 /* Affiche un pixel de la color aux coords x;y à l'écran */
@@ -219,12 +216,15 @@ void Display_brush_mono_wide2(word x_pos, word y_pos,
   Update_rect(x_pos,y_pos,width,height);
 }
 
-void Clear_brush_wide2(word x_pos,word y_pos,__attribute__((unused)) word x_offset,__attribute__((unused)) word y_offset,word width,word height,__attribute__((unused))byte transp_color,word image_width)
+void Clear_brush_wide2(word x_pos,word y_pos,word x_offset,word y_offset,word width,word height,byte transp_color,word image_width)
 {
   byte* dest=Screen_pixels+x_pos*ZOOMX+y_pos*ZOOMY*VIDEO_LINE_WIDTH; //On va se mettre en 0,0 dans l'écran (dest)
   byte* src = ( y_pos + Main_offset_Y ) * image_width + x_pos + Main_offset_X + Main_screen; //Coords de départ ds la source (src)
   int y;
   int x;
+  (void)x_offset; // unused
+  (void)y_offset; // unused
+  (void)transp_color; // unused
 
   for(y=height;y!=0;y--)
   // Pour chaque ligne
@@ -487,13 +487,14 @@ void Display_brush_mono_zoom_wide2(word x_pos, word y_pos,
   }
 }
 
-void Clear_brush_scaled_wide2(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,__attribute__((unused)) byte transp_color,word image_width,byte * buffer)
+void Clear_brush_scaled_wide2(word x_pos,word y_pos,word x_offset,word y_offset,word width,word end_y_pos,byte transp_color,word image_width,byte * buffer)
 {
 
   // En fait on va recopier l'image non zoomée dans la partie zoomée !
   byte* src = Main_screen + y_offset * image_width + x_offset;
   int y = y_pos;
   int bx;
+  (void)transp_color; // unused
 
   // Pour chaque ligne à zoomer
   while(1){
diff --git a/src/setup.c b/src/setup.c
index 257584ac..52a529de 100644
--- a/src/setup.c
+++ b/src/setup.c
@@ -63,20 +63,15 @@ int Create_ConfigDirectory(char * config_dir)
   #endif
 }
 
-#if defined(__macosx__) || defined(__amigaos4__) || defined(__AROS__) || defined(__MORPHOS__) || defined(__amigaos__) && !defined(__VBCC__)
-  #define ARG_UNUSED __attribute__((unused))
-#else
-  #define ARG_UNUSED
-#endif
 // Determine which directory contains the executable.
 // IN: Main's argv[0], some platforms need it, some don't.
 // OUT: Write into program_dir. Trailing / or \ is kept.
 // Note : in fact this is only used to check for the datafiles and fonts in 
 // this same directory.
-void Set_program_directory(ARG_UNUSED const char * argv0,char * program_dir)
+void Set_program_directory(const char * argv0,char * program_dir)
 {
-  #undef ARG_UNUSED
-
+  (void)argv0; // unused sometimes
+  
   // MacOSX
   #if defined(__macosx__)
     CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
diff --git a/src/text.c b/src/text.c
index 20564cba..d62822fc 100644
--- a/src/text.c
+++ b/src/text.c
@@ -633,17 +633,17 @@ byte *Render_text_SFont(const char *str, int font_number, int *width, int *heigh
   return new_brush;
 }
 
-#ifdef NOTTF
-  #define TTFONLY __attribute__((unused))
-#else
-  #define TTFONLY
-#endif
-
 // Crée une brosse à partir des paramètres de texte demandés.
 // Si cela réussit, la fonction place les dimensions dans width et height, 
 // et retourne l'adresse du bloc d'octets.
-byte *Render_text(const char *str, int font_number, TTFONLY int size, int TTFONLY antialias, TTFONLY int bold, TTFONLY int italic, int *width, int *height, T_Palette palette)
+byte *Render_text(const char *str, int font_number, int size, int antialias, int bold, int italic, int *width, int *height, T_Palette palette)
 {
+  #ifdef NOTTF
+    (void) size; // unused
+    (void) antialias; // unused
+    (void) bold; // unused
+    (void) italic; // unused
+  #endif
   T_Font *font = font_list_start;
   int index=font_number;