# define SPL_X(x) (void) splx(x)
# else
# if !SOLARIS && !defined(linux)
-# define SPL_IMP(x) x = splimp()
-# define SPL_NET(x) x = splnet()
-# define SPL_X(x) (void) splx(x)
+# define SPL_IMP(x) ;
+# define SPL_NET(x) ;
+# define SPL_X(x) ;
# endif
# endif /* NetBSD && NetBSD <= 1991011 && NetBSD >= 199407 */
# define PANIC(x,y) if (x) panic y