-#else /* ! (COFF || ELF) */
-#define REGISTER_PREFIX_OPTIONAL 1
-#endif /* ! (COFF || ELF) */
-#endif /* not def REGISTER_PREFIX and not def OPTIONAL_REGISTER_PREFIX */
-
-#ifdef TE_DELTA
-/* On the Delta, `%' can occur within a label name, but not as the
- initial character. */
-#define LEX_PCT LEX_NAME
-/* On the Delta, `~' can start a label name, but is converted to '.'. */
-#define LEX_TILDE LEX_BEGIN_NAME
-#define tc_canonicalize_symbol_name(s) ((*(s) == '~' ? *(s) = '.' : '.'), s)
-/* On the Delta, dots are not required before pseudo-ops. */
-#define NO_PSEUDO_DOT 1