Index: src/DNS_Mgr.h
--- src/DNS_Mgr.h.orig
+++ src/DNS_Mgr.h
@@ -19,24 +19,6 @@
 struct ares_channeldata;
 using ares_channel = struct ares_channeldata*;
 
-// Remove in v9.1. These two #ifdef blocks should be removed when the
-// constants are removed below.
-#ifdef T_PTR
-// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#undef T_PTR
-#endif
-
-#ifdef T_TXT
-// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#undef T_TXT
-#endif
-
-[[deprecated("Remove in v9.1. Use ns_t_ptr from arpa/nameser.h instead.")]]
-constexpr int T_PTR = ns_t_ptr;
-
-[[deprecated("Remove in v9.1. Use ns_t_txt from arpa/nameser.h instead.")]]
-constexpr int T_TXT = ns_t_txt;
-
 namespace zeek {
 class Val;
 class ListVal;
