THROWF(unknown_error, 0, "Function %s unimplemented",_XBT_FUNCTION)
#ifndef NDEBUG
-# define DIE_IMPOSSIBLE xbt_assert0(0,"The Impossible Did Happen (yet again)")
+# define DIE_IMPOSSIBLE xbt_assert(0,"The Impossible Did Happen (yet again)")
#else
# define DIE_IMPOSSIBLE exit(1);
#endif
/** @brief Display a previously captured backtrace */
XBT_PUBLIC(void) xbt_backtrace_display(xbt_ex_t * e);
-#if 1 || defined(XBT_USE_DEPRECATED)
+#ifdef XBT_USE_DEPRECATED
/* Kept for backward compatibility. */