#endif
-#undef PERL_WORDSIZE
-#undef PERL_COUNT_MULTIPLIER
-#undef PERL_WORD_BOUNDARY_MASK
-#undef PERL_VARIANTS_WORD_MASK
+#ifndef PERL_IN_REGEXEC_C /* Keep these around for that file */
+# undef PERL_WORDSIZE
+# undef PERL_COUNT_MULTIPLIER
+# undef PERL_WORD_BOUNDARY_MASK
+# undef PERL_VARIANTS_WORD_MASK
+#endif
/*
=for apidoc is_utf8_string