diff --git a/include/mod_antispam.hrl b/include/mod_antispam.hrl
new file mode 100644
index 000000000..7f681046e
--- /dev/null
+++ b/include/mod_antispam.hrl
@@ -0,0 +1,26 @@
+%%%----------------------------------------------------------------------
+%%%
+%%% ejabberd, Copyright (C) 2002-2025   ProcessOne
+%%%
+%%% This program is free software; you can redistribute it and/or
+%%% modify it under the terms of the GNU General Public License as
+%%% published by the Free Software Foundation; either version 2 of the
+%%% License, or (at your option) any later version.
+%%%
+%%% This program is distributed in the hope that it will be useful,
+%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+%%% General Public License for more details.
+%%%
+%%% You should have received a copy of the GNU General Public License along
+%%% with this program; if not, write to the Free Software Foundation, Inc.,
+%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+%%%
+%%%----------------------------------------------------------------------
+
+-define(MODULE_ANTISPAM, mod_antispam).
+
+-type url() :: binary().
+-type filename() :: binary() | none | false.
+-type jid_set() :: sets:set(ljid()).
+-type url_set() :: sets:set(url()).
diff --git a/src/mod_antispam.erl b/src/mod_antispam.erl
index ef2106219..a48f7235c 100644
--- a/src/mod_antispam.erl
+++ b/src/mod_antispam.erl
@@ -63,15 +63,11 @@
 
 -include("ejabberd_commands.hrl").
 -include("logger.hrl").
+-include("mod_antispam.hrl").
 -include("translate.hrl").
 
 -include_lib("xmpp/include/xmpp.hrl").
 
--type url() :: binary().
--type filename() :: binary() | none | false.
--type jid_set() :: sets:set(ljid()).
--type url_set() :: sets:set(url()).
-
 -record(state,
 	{host = <<>>			:: binary(),
 	 dump_fd = undefined		:: file:io_device() | undefined,
diff --git a/src/mod_antispam_dump.erl b/src/mod_antispam_dump.erl
index 04a671f05..f92ac0bf1 100644
--- a/src/mod_antispam_dump.erl
+++ b/src/mod_antispam_dump.erl
@@ -38,14 +38,11 @@
 -export([dump_spam_stanza/1, reopen_log/0]).
 
 -include("logger.hrl").
+-include("mod_antispam.hrl").
 -include("translate.hrl").
 
 -include_lib("xmpp/include/xmpp.hrl").
 
--type filename() :: binary() | none | false.
-
--define(MODULE_PARENT, mod_antispam).
-
 %%--------------------------------------------------------------------
 %%| Exported
 
@@ -157,7 +154,7 @@ write_stanza_dump(Fd, XML) ->
 %%| Auxiliary
 
 get_path_option(Host) ->
-    Opts = gen_mod:get_module_opts(Host, ?MODULE_PARENT),
+    Opts = gen_mod:get_module_opts(Host, ?MODULE_ANTISPAM),
     get_path_option(Host, Opts).
 
 get_path_option(Host, Opts) ->
@@ -178,11 +175,11 @@ get_path_option(Host, Opts) ->
 
 -spec get_proc_name(binary()) -> atom().
 get_proc_name(Host) ->
-    gen_mod:get_module_proc(Host, ?MODULE_PARENT).
+    gen_mod:get_module_proc(Host, ?MODULE_ANTISPAM).
 
 -spec get_spam_filter_hosts() -> [binary()].
 get_spam_filter_hosts() ->
-    [H || H <- ejabberd_option:hosts(), gen_mod:is_loaded(H, ?MODULE_PARENT)].
+    [H || H <- ejabberd_option:hosts(), gen_mod:is_loaded(H, ?MODULE_ANTISPAM)].
 
 %%--------------------------------------------------------------------
 
diff --git a/src/mod_antispam_filter.erl b/src/mod_antispam_filter.erl
index 9fd8abf36..7367c2ba8 100644
--- a/src/mod_antispam_filter.erl
+++ b/src/mod_antispam_filter.erl
@@ -38,13 +38,12 @@
 
 -include("logger.hrl").
 -include("translate.hrl").
+-include("mod_antispam.hrl").
 
 -include_lib("xmpp/include/xmpp.hrl").
 
--type url() :: binary().
 -type s2s_in_state() :: ejabberd_s2s_in:state().
 
--define(MODULE_PARENT, mod_antispam).
 -define(HTTPC_TIMEOUT, timer:seconds(3)).
 
 %%--------------------------------------------------------------------
@@ -128,9 +127,9 @@ s2s_in_handle_info(State, _) ->
 
 -spec needs_checking(jid(), jid()) -> boolean().
 needs_checking(#jid{lserver = FromHost} = From, #jid{lserver = LServer} = To) ->
-    case gen_mod:is_loaded(LServer, ?MODULE_PARENT) of
+    case gen_mod:is_loaded(LServer, ?MODULE_ANTISPAM) of
         true ->
-            Access = gen_mod:get_module_opt(LServer, ?MODULE_PARENT, access_spam),
+            Access = gen_mod:get_module_opt(LServer, ?MODULE_ANTISPAM, access_spam),
             case acl:match_rule(LServer, Access, To) of
                 allow ->
                     ?DEBUG("Spam not filtered for ~s", [jid:encode(To)]),
@@ -144,7 +143,7 @@ needs_checking(#jid{lserver = FromHost} = From, #jid{lserver = LServer} = To) ->
                                     To) % likely a gateway
             end;
         false ->
-            ?DEBUG("~s not loaded for ~s", [?MODULE_PARENT, LServer]),
+            ?DEBUG("~s not loaded for ~s", [?MODULE_ANTISPAM, LServer]),
             false
     end.
 
@@ -292,7 +291,7 @@ reject(_) ->
 
 -spec get_proc_name(binary()) -> atom().
 get_proc_name(Host) ->
-    gen_mod:get_module_proc(Host, ?MODULE_PARENT).
+    gen_mod:get_module_proc(Host, ?MODULE_ANTISPAM).
 
 %%--------------------------------------------------------------------
 
diff --git a/src/mod_antispam_rtbl.erl b/src/mod_antispam_rtbl.erl
index 93b346631..246b59dfa 100644
--- a/src/mod_antispam_rtbl.erl
+++ b/src/mod_antispam_rtbl.erl
@@ -27,6 +27,7 @@
 
 -include_lib("xmpp/include/xmpp.hrl").
 -include("logger.hrl").
+-include("mod_antispam.hrl").
 
 -define(SERVICE_MODULE, mod_antispam).
 -define(SERVICE_JID_PREFIX, "rtbl-").