diff --git a/src/graphics/graphics.c b/src/graphics/graphics.c
index 42e0ca8..40ac033 100644
--- a/src/graphics/graphics.c
+++ b/src/graphics/graphics.c
@@ -675,7 +675,7 @@ void  __attribute__((optimize("no-unroll-loops"))) main_test_graphics (void)
     int rand(void);
     void srand(unsigned int seed);  //    printf ("Valeur max : %d\n", RAND_MAX);   min + rand() % (max+1 - min);
 
-    int arbitrary = 1000;
+    int arbitrary = 30;
     int space_X = 1 + rand() % arbitrary,
         space_Y = 1 + rand() % arbitrary,
         space_Z = 1 + rand() % arbitrary;
diff --git a/src/graphics/grid.c b/src/graphics/grid.c
index 7743bc5..696e14c 100644
--- a/src/graphics/grid.c
+++ b/src/graphics/grid.c
@@ -156,8 +156,6 @@ long write_grids_on_space_faces_lines (long offset_vertex, long offset_colors, l
         graphics_write_line (offset_vertex + i * 4 + 3,  offset_vertex + i * 4 + 0);
     }
 
-    printf("write_grids_on_space_faces_lines\n");
-
     return (x + y + z - 3) * 4;
     /* if (style)  offset_lines += 2 * (space_X + space_Y + space_Z - 3); */
     /* else        offset_lines += 4 * (space_X + space_Y + space_Z - 3); */