diff --git a/src/mod_adhoc.erl b/src/mod_adhoc.erl
index 3075366c43d..8a76e2bfc0a 100644
--- a/src/mod_adhoc.erl
+++ b/src/mod_adhoc.erl
@@ -42,49 +42,20 @@
 -include_lib("xmpp/include/xmpp.hrl").
 -include("translate.hrl").
 
-start(Host, _Opts) ->
-    gen_iq_handler:add_iq_handler(ejabberd_local, Host,
-				  ?NS_COMMANDS, ?MODULE, process_local_iq),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
-				  ?NS_COMMANDS, ?MODULE, process_sm_iq),
-    ejabberd_hooks:add(disco_local_identity, Host, ?MODULE,
-		       get_local_identity, 99),
-    ejabberd_hooks:add(disco_local_features, Host, ?MODULE,
-		       get_local_features, 99),
-    ejabberd_hooks:add(disco_local_items, Host, ?MODULE,
-		       get_local_commands, 99),
-    ejabberd_hooks:add(disco_sm_identity, Host, ?MODULE,
-		       get_sm_identity, 99),
-    ejabberd_hooks:add(disco_sm_features, Host, ?MODULE,
-		       get_sm_features, 99),
-    ejabberd_hooks:add(disco_sm_items, Host, ?MODULE,
-		       get_sm_commands, 99),
-    ejabberd_hooks:add(adhoc_local_items, Host, ?MODULE,
-		       ping_item, 100),
-    ejabberd_hooks:add(adhoc_local_commands, Host, ?MODULE,
-		       ping_command, 100).
+start(_Host, _Opts) ->
+    {ok, [{iq_handler, ejabberd_local, ?NS_COMMANDS, process_local_iq},
+          {iq_handler, ejabberd_sm, ?NS_COMMANDS, process_sm_iq},
+          {hook, disco_local_identity, get_local_identity, 99},
+          {hook, disco_local_features, get_local_features, 99},
+          {hook, disco_local_items, get_local_commands, 99},
+          {hook, disco_sm_identity, get_sm_identity, 99},
+          {hook, disco_sm_features, get_sm_features, 99},
+          {hook, disco_sm_items, get_sm_commands, 99},
+          {hook, adhoc_local_items, ping_item, 100},
+          {hook, adhoc_local_commands, ping_command, 100}]}.
 
-stop(Host) ->
-    ejabberd_hooks:delete(adhoc_local_commands, Host,
-			  ?MODULE, ping_command, 100),
-    ejabberd_hooks:delete(adhoc_local_items, Host, ?MODULE,
-			  ping_item, 100),
-    ejabberd_hooks:delete(disco_sm_items, Host, ?MODULE,
-			  get_sm_commands, 99),
-    ejabberd_hooks:delete(disco_sm_features, Host, ?MODULE,
-			  get_sm_features, 99),
-    ejabberd_hooks:delete(disco_sm_identity, Host, ?MODULE,
-			  get_sm_identity, 99),
-    ejabberd_hooks:delete(disco_local_items, Host, ?MODULE,
-			  get_local_commands, 99),
-    ejabberd_hooks:delete(disco_local_features, Host,
-			  ?MODULE, get_local_features, 99),
-    ejabberd_hooks:delete(disco_local_identity, Host,
-			  ?MODULE, get_local_identity, 99),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
-				     ?NS_COMMANDS),
-    gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
-				     ?NS_COMMANDS).
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_avatar.erl b/src/mod_avatar.erl
index 58b4a8af6d6..ae7e74ff0ef 100644
--- a/src/mod_avatar.erl
+++ b/src/mod_avatar.erl
@@ -43,23 +43,14 @@
 %%%===================================================================
 %%% API
 %%%===================================================================
-start(Host, _Opts) ->
-    ejabberd_hooks:add(pubsub_publish_item, Host, ?MODULE,
-		       pubsub_publish_item, 50),
-    ejabberd_hooks:add(vcard_iq_set, Host, ?MODULE,
-		       vcard_iq_convert, 30),
-    ejabberd_hooks:add(vcard_iq_set, Host, ?MODULE,
-		       vcard_iq_publish, 100),
-    ejabberd_hooks:add(disco_sm_features, Host, ?MODULE,
-		       get_sm_features, 50).
+start(_Host, _Opts) ->
+    {ok, [{hook, pubsub_publish_item, pubsub_publish_item, 50},
+          {hook, vcard_iq_set, vcard_iq_convert, 30},
+          {hook, vcard_iq_set, vcard_iq_publish, 100},
+          {hook, disco_sm_features, get_sm_features, 50}]}.
 
-stop(Host) ->
-    ejabberd_hooks:delete(pubsub_publish_item, Host, ?MODULE,
-			  pubsub_publish_item, 50),
-    ejabberd_hooks:delete(vcard_iq_set, Host, ?MODULE, vcard_iq_convert, 30),
-    ejabberd_hooks:delete(vcard_iq_set, Host, ?MODULE, vcard_iq_publish, 100),
-    ejabberd_hooks:delete(disco_sm_features, Host, ?MODULE,
-			  get_sm_features, 50).
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_block_strangers.erl b/src/mod_block_strangers.erl
index 8595b4aa091..7859e02914f 100644
--- a/src/mod_block_strangers.erl
+++ b/src/mod_block_strangers.erl
@@ -45,21 +45,13 @@
 %%%===================================================================
 %%% Callbacks and hooks
 %%%===================================================================
-start(Host, _Opts) ->
-    ejabberd_hooks:add(user_receive_packet, Host,
-                       ?MODULE, filter_packet, 25),
-    ejabberd_hooks:add(roster_in_subscription, Host,
-		       ?MODULE, filter_subscription, 25),
-    ejabberd_hooks:add(offline_message_hook, Host,
-		       ?MODULE, filter_offline_msg, 25).
+start(_Host, _Opts) ->
+    {ok, [{hook, user_receive_packet, filter_packet, 25},
+          {hook, roster_in_subscription, filter_subscription, 25},
+          {hook, offline_message_hook, filter_offline_msg, 25}]}.
 
-stop(Host) ->
-    ejabberd_hooks:delete(user_receive_packet, Host,
-                          ?MODULE, filter_packet, 25),
-    ejabberd_hooks:delete(roster_in_subscription, Host,
-			  ?MODULE, filter_subscription, 25),
-    ejabberd_hooks:delete(offline_message_hook, Host,
-			  ?MODULE, filter_offline_msg, 25).
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_blocking.erl b/src/mod_blocking.erl
index 75f9aa0b9d4..efc8f6e11ba 100644
--- a/src/mod_blocking.erl
+++ b/src/mod_blocking.erl
@@ -37,14 +37,12 @@
 -include("mod_privacy.hrl").
 -include("translate.hrl").
 
-start(Host, _Opts) ->
-    ejabberd_hooks:add(disco_local_features, Host, ?MODULE, disco_features, 50),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
-				  ?NS_BLOCKING, ?MODULE, process_iq).
+start(_Host, _Opts) ->
+    {ok, [{hook, disco_local_features, disco_features, 50},
+          {iq_handler, ejabberd_sm, ?NS_BLOCKING, process_iq}]}.
 
-stop(Host) ->
-    ejabberd_hooks:delete(disco_local_features, Host, ?MODULE, disco_features, 50),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_BLOCKING).
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_carboncopy.erl b/src/mod_carboncopy.erl
index c9fe73b0afb..1976e5827be 100644
--- a/src/mod_carboncopy.erl
+++ b/src/mod_carboncopy.erl
@@ -48,25 +48,18 @@
 -type direction() :: sent | received.
 -type c2s_state() :: ejabberd_c2s:state().
 
-start(Host, _Opts) ->
-    ejabberd_hooks:add(disco_local_features, Host, ?MODULE, disco_features, 50),
-    %% why priority 89: to define clearly that we must run BEFORE mod_logdb hook (90)
-    ejabberd_hooks:add(user_send_packet,Host, ?MODULE, user_send_packet, 89),
-    ejabberd_hooks:add(user_receive_packet,Host, ?MODULE, user_receive_packet, 89),
-    ejabberd_hooks:add(c2s_copy_session, Host, ?MODULE, c2s_copy_session, 50),
-    ejabberd_hooks:add(c2s_session_resumed, Host, ?MODULE, c2s_session_resumed, 50),
-    ejabberd_hooks:add(c2s_session_opened, Host, ?MODULE, c2s_session_opened, 50),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host, ?NS_CARBONS_2, ?MODULE, iq_handler).
+start(_Host, _Opts) ->
+    {ok, [{hook, disco_local_features, disco_features, 50},
+          %% why priority 89: to define clearly that we must run BEFORE mod_logdb hook (90)
+          {hook, user_send_packet, user_send_packet, 89},
+          {hook, user_receive_packet, user_receive_packet, 89},
+          {hook, c2s_copy_session, c2s_copy_session, 50},
+          {hook, c2s_session_resumed, c2s_session_resumed, 50},
+          {hook, c2s_session_opened, c2s_session_opened, 50},
+          {iq_handler, ejabberd_sm, ?NS_CARBONS_2, iq_handler}]}.
 
-stop(Host) ->
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_CARBONS_2),
-    ejabberd_hooks:delete(disco_local_features, Host, ?MODULE, disco_features, 50),
-    %% why priority 89: to define clearly that we must run BEFORE mod_logdb hook (90)
-    ejabberd_hooks:delete(user_send_packet,Host, ?MODULE, user_send_packet, 89),
-    ejabberd_hooks:delete(user_receive_packet,Host, ?MODULE, user_receive_packet, 89),
-    ejabberd_hooks:delete(c2s_copy_session, Host, ?MODULE, c2s_copy_session, 50),
-    ejabberd_hooks:delete(c2s_session_resumed, Host, ?MODULE, c2s_session_resumed, 50),
-    ejabberd_hooks:delete(c2s_session_opened, Host, ?MODULE, c2s_session_opened, 50).
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_configure.erl b/src/mod_configure.erl
index 3aec8e106d2..a3643957742 100644
--- a/src/mod_configure.erl
+++ b/src/mod_configure.erl
@@ -44,51 +44,21 @@
 -include("translate.hrl").
 -include_lib("stdlib/include/ms_transform.hrl").
 
-start(Host, _Opts) ->
-    ejabberd_hooks:add(disco_local_items, Host, ?MODULE,
-		       get_local_items, 50),
-    ejabberd_hooks:add(disco_local_features, Host, ?MODULE,
-		       get_local_features, 50),
-    ejabberd_hooks:add(disco_local_identity, Host, ?MODULE,
-		       get_local_identity, 50),
-    ejabberd_hooks:add(disco_sm_items, Host, ?MODULE,
-		       get_sm_items, 50),
-    ejabberd_hooks:add(disco_sm_features, Host, ?MODULE,
-		       get_sm_features, 50),
-    ejabberd_hooks:add(disco_sm_identity, Host, ?MODULE,
-		       get_sm_identity, 50),
-    ejabberd_hooks:add(adhoc_local_items, Host, ?MODULE,
-		       adhoc_local_items, 50),
-    ejabberd_hooks:add(adhoc_local_commands, Host, ?MODULE,
-		       adhoc_local_commands, 50),
-    ejabberd_hooks:add(adhoc_sm_items, Host, ?MODULE,
-		       adhoc_sm_items, 50),
-    ejabberd_hooks:add(adhoc_sm_commands, Host, ?MODULE,
-		       adhoc_sm_commands, 50),
+start(_Host, _Opts) ->
+    {ok, [{hook, disco_local_items, get_local_items, 50},
+          {hook, disco_local_features, get_local_features, 50},
+          {hook, disco_local_identity, get_local_identity, 50},
+          {hook, disco_sm_items, get_sm_items, 50},
+          {hook, disco_sm_features, get_sm_features, 50},
+          {hook, disco_sm_identity, get_sm_identity, 50},
+          {hook, adhoc_local_items, adhoc_local_items, 50},
+          {hook, adhoc_local_commands, adhoc_local_commands, 50},
+          {hook, adhoc_sm_items, adhoc_sm_items, 50},
+          {hook, adhoc_sm_commands, adhoc_sm_commands, 50}]}.
+
+stop(_Host) ->
     ok.
 
-stop(Host) ->
-    ejabberd_hooks:delete(adhoc_sm_commands, Host, ?MODULE,
-			  adhoc_sm_commands, 50),
-    ejabberd_hooks:delete(adhoc_sm_items, Host, ?MODULE,
-			  adhoc_sm_items, 50),
-    ejabberd_hooks:delete(adhoc_local_commands, Host,
-			  ?MODULE, adhoc_local_commands, 50),
-    ejabberd_hooks:delete(adhoc_local_items, Host, ?MODULE,
-			  adhoc_local_items, 50),
-    ejabberd_hooks:delete(disco_sm_identity, Host, ?MODULE,
-			  get_sm_identity, 50),
-    ejabberd_hooks:delete(disco_sm_features, Host, ?MODULE,
-			  get_sm_features, 50),
-    ejabberd_hooks:delete(disco_sm_items, Host, ?MODULE,
-			  get_sm_items, 50),
-    ejabberd_hooks:delete(disco_local_identity, Host,
-			  ?MODULE, get_local_identity, 50),
-    ejabberd_hooks:delete(disco_local_features, Host,
-			  ?MODULE, get_local_features, 50),
-    ejabberd_hooks:delete(disco_local_items, Host, ?MODULE,
-			  get_local_items, 50).
-
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
 
diff --git a/src/mod_last.erl b/src/mod_last.erl
index be7abd5614e..55cc4365760 100644
--- a/src/mod_last.erl
+++ b/src/mod_last.erl
@@ -62,32 +62,15 @@ start(Host, Opts) ->
     Mod = gen_mod:db_mod(Opts, ?MODULE),
     Mod:init(Host, Opts),
     init_cache(Mod, Host, Opts),
-    gen_iq_handler:add_iq_handler(ejabberd_local, Host,
-				  ?NS_LAST, ?MODULE, process_local_iq),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
-				  ?NS_LAST, ?MODULE, process_sm_iq),
-    ejabberd_hooks:add(privacy_check_packet, Host, ?MODULE,
-		       privacy_check_packet, 30),
-    ejabberd_hooks:add(register_user, Host, ?MODULE,
-		       register_user, 50),
-    ejabberd_hooks:add(remove_user, Host, ?MODULE,
-		       remove_user, 50),
-    ejabberd_hooks:add(unset_presence_hook, Host, ?MODULE,
-		       on_presence_update, 50).
-
-stop(Host) ->
-    ejabberd_hooks:delete(register_user, Host, ?MODULE,
-			  register_user, 50),
-    ejabberd_hooks:delete(remove_user, Host, ?MODULE,
-			  remove_user, 50),
-    ejabberd_hooks:delete(unset_presence_hook, Host,
-			  ?MODULE, on_presence_update, 50),
-    ejabberd_hooks:delete(privacy_check_packet, Host, ?MODULE,
-			  privacy_check_packet, 30),
-    gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
-				     ?NS_LAST),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
-				     ?NS_LAST).
+    {ok, [{iq_handler, ejabberd_local, ?NS_LAST, process_local_iq},
+          {iq_handler, ejabberd_sm, ?NS_LAST, process_sm_iq},
+          {hook, privacy_check_packet, privacy_check_packet, 30},
+          {hook, register_user, register_user, 50},
+          {hook, remove_user, remove_user, 50},
+          {hook, unset_presence_hook, on_presence_update, 50}]}.
+
+stop(_Host) ->
+    ok.
 
 reload(Host, NewOpts, OldOpts) ->
     NewMod = gen_mod:db_mod(NewOpts, ?MODULE),
diff --git a/src/mod_legacy_auth.erl b/src/mod_legacy_auth.erl
index 98daa18ad4e..57f659decc9 100644
--- a/src/mod_legacy_auth.erl
+++ b/src/mod_legacy_auth.erl
@@ -37,17 +37,12 @@
 %%%===================================================================
 %%% API
 %%%===================================================================
-start(Host, _Opts) ->
-    ejabberd_hooks:add(c2s_unauthenticated_packet, Host, ?MODULE,
-		       c2s_unauthenticated_packet, 50),
-    ejabberd_hooks:add(c2s_pre_auth_features, Host, ?MODULE,
-		       c2s_stream_features, 50).
-
-stop(Host) ->
-    ejabberd_hooks:delete(c2s_unauthenticated_packet, Host, ?MODULE,
-			  c2s_unauthenticated_packet, 50),
-    ejabberd_hooks:delete(c2s_pre_auth_features, Host, ?MODULE,
-			  c2s_stream_features, 50).
+start(_Host, _Opts) ->
+    {ok, [{hook, c2s_unauthenticated_packet, c2s_unauthenticated_packet, 50},
+          {hook, c2s_pre_auth_features, c2s_stream_features, 50}]}.
+
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_metrics.erl b/src/mod_metrics.erl
index e3dd397f754..38822bef50f 100644
--- a/src/mod_metrics.erl
+++ b/src/mod_metrics.erl
@@ -49,27 +49,19 @@
 %% API
 %%====================================================================
 
-start(Host, _Opts) ->
-    ejabberd_hooks:add(offline_message_hook, Host, ?MODULE, offline_message_hook, 20),
-    ejabberd_hooks:add(sm_register_connection_hook, Host, ?MODULE, sm_register_connection_hook, 20),
-    ejabberd_hooks:add(sm_remove_connection_hook, Host, ?MODULE, sm_remove_connection_hook, 20),
-    ejabberd_hooks:add(user_send_packet, Host, ?MODULE, user_send_packet, 20),
-    ejabberd_hooks:add(user_receive_packet, Host, ?MODULE, user_receive_packet, 20),
-    ejabberd_hooks:add(s2s_send_packet, Host, ?MODULE, s2s_send_packet, 20),
-    ejabberd_hooks:add(s2s_receive_packet, Host, ?MODULE, s2s_receive_packet, 20),
-    ejabberd_hooks:add(remove_user, Host, ?MODULE, remove_user, 20),
-    ejabberd_hooks:add(register_user, Host, ?MODULE, register_user, 20).
-
-stop(Host) ->
-    ejabberd_hooks:delete(offline_message_hook, Host, ?MODULE, offline_message_hook, 20),
-    ejabberd_hooks:delete(sm_register_connection_hook, Host, ?MODULE, sm_register_connection_hook, 20),
-    ejabberd_hooks:delete(sm_remove_connection_hook, Host, ?MODULE, sm_remove_connection_hook, 20),
-    ejabberd_hooks:delete(user_send_packet, Host, ?MODULE, user_send_packet, 20),
-    ejabberd_hooks:delete(user_receive_packet, Host, ?MODULE, user_receive_packet, 20),
-    ejabberd_hooks:delete(s2s_send_packet, Host, ?MODULE, s2s_send_packet, 20),
-    ejabberd_hooks:delete(s2s_receive_packet, Host, ?MODULE, s2s_receive_packet, 20),
-    ejabberd_hooks:delete(remove_user, Host, ?MODULE, remove_user, 20),
-    ejabberd_hooks:delete(register_user, Host, ?MODULE, register_user, 20).
+start(_Host, _Opts) ->
+    {ok, [{hook, offline_message_hook, offline_message_hook, 20},
+          {hook, sm_register_connection_hook, sm_register_connection_hook, 20},
+          {hook, sm_remove_connection_hook, sm_remove_connection_hook, 20},
+          {hook, user_send_packet, user_send_packet, 20},
+          {hook, user_receive_packet, user_receive_packet, 20},
+          {hook, s2s_send_packet, s2s_send_packet, 20},
+          {hook, s2s_receive_packet, s2s_receive_packet, 20},
+          {hook, remove_user, remove_user, 20},
+          {hook, register_user, register_user, 20}]}.
+
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_mqtt_bridge.erl b/src/mod_mqtt_bridge.erl
index 4cf8a58919b..74a771d8250 100644
--- a/src/mod_mqtt_bridge.erl
+++ b/src/mod_mqtt_bridge.erl
@@ -32,13 +32,12 @@
 %%%===================================================================
 %%% API
 %%%===================================================================
-start(Host, Opts) ->
+start(_Host, Opts) ->
     User = mod_mqtt_bridge_opt:replication_user(Opts),
     start_servers(User, element(1, mod_mqtt_bridge_opt:servers(Opts))),
-    ejabberd_hooks:add(mqtt_publish, Host, ?MODULE, mqtt_publish_hook, 50).
+    {ok, [{hook, mqtt_publish, mqtt_publish_hook, 50}]}.
 
 stop(Host) ->
-    ejabberd_hooks:delete(mqtt_publish, Host, ?MODULE, mqtt_publish_hook, 50),
     stop_servers(element(1, mod_mqtt_bridge_opt:servers(Host))),
     ok.
 
diff --git a/src/mod_offline.erl b/src/mod_offline.erl
index 4840ced5f36..d7de2ccd405 100644
--- a/src/mod_offline.erl
+++ b/src/mod_offline.erl
@@ -120,51 +120,23 @@ start(Host, Opts) ->
     Mod = gen_mod:db_mod(Opts, ?MODULE),
     Mod:init(Host, Opts),
     init_cache(Mod, Host, Opts),
-    ejabberd_hooks:add(offline_message_hook, Host, ?MODULE,
-		       store_packet, 50),
-    ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE, c2s_self_presence, 50),
-    ejabberd_hooks:add(remove_user, Host,
-		       ?MODULE, remove_user, 50),
-    ejabberd_hooks:add(disco_sm_features, Host,
-		       ?MODULE, get_sm_features, 50),
-    ejabberd_hooks:add(disco_local_features, Host,
-		       ?MODULE, get_sm_features, 50),
-    ejabberd_hooks:add(disco_sm_identity, Host,
-		       ?MODULE, get_sm_identity, 50),
-    ejabberd_hooks:add(disco_sm_items, Host,
-		       ?MODULE, get_sm_items, 50),
-    ejabberd_hooks:add(disco_info, Host, ?MODULE, get_info, 50),
-    ejabberd_hooks:add(c2s_handle_info, Host, ?MODULE, c2s_handle_info, 50),
-    ejabberd_hooks:add(c2s_copy_session, Host, ?MODULE, c2s_copy_session, 50),
-    ejabberd_hooks:add(webadmin_page_host, Host,
-		       ?MODULE, webadmin_page, 50),
-    ejabberd_hooks:add(webadmin_user, Host,
-		       ?MODULE, webadmin_user, 50),
-    ejabberd_hooks:add(webadmin_user_parse_query, Host,
-		       ?MODULE, webadmin_user_parse_query, 50),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host, ?NS_FLEX_OFFLINE,
-				  ?MODULE, handle_offline_query).
-
-stop(Host) ->
-    ejabberd_hooks:delete(offline_message_hook, Host,
-			  ?MODULE, store_packet, 50),
-    ejabberd_hooks:delete(c2s_self_presence, Host, ?MODULE, c2s_self_presence, 50),
-    ejabberd_hooks:delete(remove_user, Host, ?MODULE,
-			  remove_user, 50),
-    ejabberd_hooks:delete(disco_sm_features, Host, ?MODULE, get_sm_features, 50),
-    ejabberd_hooks:delete(disco_local_features, Host, ?MODULE, get_sm_features, 50),
-    ejabberd_hooks:delete(disco_sm_identity, Host, ?MODULE, get_sm_identity, 50),
-    ejabberd_hooks:delete(disco_sm_items, Host, ?MODULE, get_sm_items, 50),
-    ejabberd_hooks:delete(disco_info, Host, ?MODULE, get_info, 50),
-    ejabberd_hooks:delete(c2s_handle_info, Host, ?MODULE, c2s_handle_info, 50),
-    ejabberd_hooks:delete(c2s_copy_session, Host, ?MODULE, c2s_copy_session, 50),
-    ejabberd_hooks:delete(webadmin_page_host, Host,
-			  ?MODULE, webadmin_page, 50),
-    ejabberd_hooks:delete(webadmin_user, Host,
-			  ?MODULE, webadmin_user, 50),
-    ejabberd_hooks:delete(webadmin_user_parse_query, Host,
-			  ?MODULE, webadmin_user_parse_query, 50),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_FLEX_OFFLINE).
+    {ok, [{hook, offline_message_hook, store_packet, 50},
+          {hook, c2s_self_presence, c2s_self_presence, 50},
+          {hook, remove_user, remove_user, 50},
+          {hook, disco_sm_features, get_sm_features, 50},
+          {hook, disco_local_features, get_sm_features, 50},
+          {hook, disco_sm_identity, get_sm_identity, 50},
+          {hook, disco_sm_items, get_sm_items, 50},
+          {hook, disco_info, get_info, 50},
+          {hook, c2s_handle_info, c2s_handle_info, 50},
+          {hook, c2s_copy_session, c2s_copy_session, 50},
+          {hook, webadmin_page_host, webadmin_page, 50},
+          {hook, webadmin_user, webadmin_user, 50},
+          {hook, webadmin_user_parse_query,  webadmin_user_parse_query, 50},
+          {iq_handler, ejabberd_sm, ?NS_FLEX_OFFLINE, handle_offline_query}]}.
+
+stop(_Host) ->
+    ok.
 
 reload(Host, NewOpts, OldOpts) ->
     NewMod = gen_mod:db_mod(NewOpts, ?MODULE),
diff --git a/src/mod_pres_counter.erl b/src/mod_pres_counter.erl
index 7359260bc33..04319d1c252 100644
--- a/src/mod_pres_counter.erl
+++ b/src/mod_pres_counter.erl
@@ -37,14 +37,10 @@
 -record(pres_counter,
 	{dir, start, count, logged = false}).
 
-start(Host, _Opts) ->
-    ejabberd_hooks:add(privacy_check_packet, Host, ?MODULE,
-		       check_packet, 25),
-    ok.
+start(_Host, _Opts) ->
+    {ok, [{hook, privacy_check_packet, check_packet, 25}]}.
 
-stop(Host) ->
-    ejabberd_hooks:delete(privacy_check_packet, Host,
-			  ?MODULE, check_packet, 25),
+stop(_Host) ->
     ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
diff --git a/src/mod_privacy.erl b/src/mod_privacy.erl
index 37f1eb8bccd..25717cadb9d 100644
--- a/src/mod_privacy.erl
+++ b/src/mod_privacy.erl
@@ -73,32 +73,15 @@ start(Host, Opts) ->
     Mod = gen_mod:db_mod(Opts, ?MODULE),
     Mod:init(Host, Opts),
     init_cache(Mod, Host, Opts),
-    ejabberd_hooks:add(disco_local_features, Host, ?MODULE,
-		       disco_features, 50),
-    ejabberd_hooks:add(c2s_copy_session, Host, ?MODULE,
-		       c2s_copy_session, 50),
-    ejabberd_hooks:add(user_send_packet, Host, ?MODULE,
-		       user_send_packet, 50),
-    ejabberd_hooks:add(privacy_check_packet, Host, ?MODULE,
-		       check_packet, 50),
-    ejabberd_hooks:add(remove_user, Host, ?MODULE,
-		       remove_user, 50),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
-				  ?NS_PRIVACY, ?MODULE, process_iq).
-
-stop(Host) ->
-    ejabberd_hooks:delete(disco_local_features, Host, ?MODULE,
-			  disco_features, 50),
-    ejabberd_hooks:delete(c2s_copy_session, Host, ?MODULE,
-			  c2s_copy_session, 50),
-    ejabberd_hooks:delete(user_send_packet, Host, ?MODULE,
-			  user_send_packet, 50),
-    ejabberd_hooks:delete(privacy_check_packet, Host,
-			  ?MODULE, check_packet, 50),
-    ejabberd_hooks:delete(remove_user, Host, ?MODULE,
-			  remove_user, 50),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
-				     ?NS_PRIVACY).
+    {ok, [{hook, disco_local_features, disco_features, 50},
+          {hook, c2s_copy_session, c2s_copy_session, 50},
+          {hook, user_send_packet, user_send_packet, 50},
+          {hook, privacy_check_packet, check_packet, 50},
+          {hook, remove_user, remove_user, 50},
+          {iq_handler, ejabberd_sm, ?NS_PRIVACY, process_iq}]}.
+
+stop(_Host) ->
+    ok.
 
 reload(Host, NewOpts, OldOpts) ->
     NewMod = gen_mod:db_mod(NewOpts, ?MODULE),
diff --git a/src/mod_private.erl b/src/mod_private.erl
index 52768291da0..d5e252669bf 100644
--- a/src/mod_private.erl
+++ b/src/mod_private.erl
@@ -62,17 +62,13 @@ start(Host, Opts) ->
     Mod = gen_mod:db_mod(Opts, ?MODULE),
     Mod:init(Host, Opts),
     init_cache(Mod, Host, Opts),
-    ejabberd_hooks:add(remove_user, Host, ?MODULE, remove_user, 50),
-    ejabberd_hooks:add(disco_sm_features, Host, ?MODULE, get_sm_features, 50),
-    ejabberd_hooks:add(pubsub_publish_item, Host, ?MODULE, pubsub_publish_item, 50),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host, ?NS_PRIVATE, ?MODULE, process_sm_iq),
-    ejabberd_commands:register_commands(?MODULE, get_commands_spec()).
+    ejabberd_commands:register_commands(?MODULE, get_commands_spec()),
+    {ok, [{hook, remove_user, remove_user, 50},
+          {hook, disco_sm_features, get_sm_features, 50},
+          {hook, pubsub_publish_item, pubsub_publish_item, 50},
+          {iq_handler, ejabberd_sm, ?NS_PRIVATE, process_sm_iq}]}.
 
 stop(Host) ->
-    ejabberd_hooks:delete(remove_user, Host, ?MODULE, remove_user, 50),
-    ejabberd_hooks:delete(disco_sm_features, Host, ?MODULE, get_sm_features, 50),
-    ejabberd_hooks:delete(pubsub_publish_item, Host, ?MODULE, pubsub_publish_item, 50),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_PRIVATE),
     case gen_mod:is_loaded_elsewhere(Host, ?MODULE) of
 	false ->
 	    ejabberd_commands:unregister_commands(get_commands_spec());
diff --git a/src/mod_register.erl b/src/mod_register.erl
index 7b05d4fff7d..c7edb66dfff 100644
--- a/src/mod_register.erl
+++ b/src/mod_register.erl
@@ -43,29 +43,17 @@
 -include_lib("xmpp/include/xmpp.hrl").
 -include("translate.hrl").
 
-start(Host, _Opts) ->
-    gen_iq_handler:add_iq_handler(ejabberd_local, Host,
-				  ?NS_REGISTER, ?MODULE, process_iq),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
-				  ?NS_REGISTER, ?MODULE, process_iq),
-    ejabberd_hooks:add(c2s_pre_auth_features, Host, ?MODULE,
-		       stream_feature_register, 50),
-    ejabberd_hooks:add(c2s_unauthenticated_packet, Host,
-		       ?MODULE, c2s_unauthenticated_packet, 50),
+start(_Host, _Opts) ->
     ejabberd_mnesia:create(?MODULE, mod_register_ip,
 			[{ram_copies, [node()]}, {local_content, true},
 			 {attributes, [key, value]}]),
-    ok.
+    {ok, [{iq_handler, ejabberd_local, ?NS_REGISTER, process_iq},
+          {iq_handler, ejabberd_sm, ?NS_REGISTER, process_iq},
+          {hook, c2s_pre_auth_features, stream_feature_register, 50},
+          {hook, c2s_unauthenticated_packet, c2s_unauthenticated_packet, 50}]}.
 
-stop(Host) ->
-    ejabberd_hooks:delete(c2s_pre_auth_features, Host,
-			  ?MODULE, stream_feature_register, 50),
-    ejabberd_hooks:delete(c2s_unauthenticated_packet, Host,
-			  ?MODULE, c2s_unauthenticated_packet, 50),
-    gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
-				     ?NS_REGISTER),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
-				     ?NS_REGISTER).
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_roster.erl b/src/mod_roster.erl
index 892c6cc30fb..ad5fc0f779a 100644
--- a/src/mod_roster.erl
+++ b/src/mod_roster.erl
@@ -91,48 +91,19 @@ start(Host, Opts) ->
     Mod = gen_mod:db_mod(Opts, ?MODULE),
     Mod:init(Host, Opts),
     init_cache(Mod, Host, Opts),
-    ejabberd_hooks:add(roster_get, Host, ?MODULE,
-		       get_user_roster_items, 50),
-    ejabberd_hooks:add(roster_in_subscription, Host,
-		       ?MODULE, in_subscription, 50),
-    ejabberd_hooks:add(roster_out_subscription, Host,
-		       ?MODULE, out_subscription, 50),
-    ejabberd_hooks:add(roster_get_jid_info, Host, ?MODULE,
-		       get_jid_info, 50),
-    ejabberd_hooks:add(remove_user, Host, ?MODULE,
-		       remove_user, 50),
-    ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE,
-		       c2s_self_presence, 50),
-    ejabberd_hooks:add(c2s_post_auth_features, Host,
-		       ?MODULE, get_versioning_feature, 50),
-    ejabberd_hooks:add(webadmin_page_host, Host, ?MODULE,
-		       webadmin_page, 50),
-    ejabberd_hooks:add(webadmin_user, Host, ?MODULE,
-		       webadmin_user, 50),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
-				  ?NS_ROSTER, ?MODULE, process_iq).
-
-stop(Host) ->
-    ejabberd_hooks:delete(roster_get, Host, ?MODULE,
-			  get_user_roster_items, 50),
-    ejabberd_hooks:delete(roster_in_subscription, Host,
-			  ?MODULE, in_subscription, 50),
-    ejabberd_hooks:delete(roster_out_subscription, Host,
-			  ?MODULE, out_subscription, 50),
-    ejabberd_hooks:delete(roster_get_jid_info, Host,
-			  ?MODULE, get_jid_info, 50),
-    ejabberd_hooks:delete(remove_user, Host, ?MODULE,
-			  remove_user, 50),
-    ejabberd_hooks:delete(c2s_self_presence, Host, ?MODULE,
-			  c2s_self_presence, 50),
-    ejabberd_hooks:delete(c2s_post_auth_features,
-			  Host, ?MODULE, get_versioning_feature, 50),
-    ejabberd_hooks:delete(webadmin_page_host, Host, ?MODULE,
-			  webadmin_page, 50),
-    ejabberd_hooks:delete(webadmin_user, Host, ?MODULE,
-			  webadmin_user, 50),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
-				     ?NS_ROSTER).
+    {ok, [{hook, roster_get, get_user_roster_items, 50},
+          {hook, roster_in_subscription, in_subscription, 50},
+          {hook, roster_out_subscription, out_subscription, 50},
+          {hook, roster_get_jid_info, get_jid_info, 50},
+          {hook, remove_user, remove_user, 50},
+          {hook, c2s_self_presence, c2s_self_presence, 50},
+          {hook, c2s_post_auth_features, get_versioning_feature, 50},
+          {hook, webadmin_page_host, webadmin_page, 50},
+          {hook, webadmin_user, webadmin_user, 50},
+          {iq_handler, ejabberd_sm, ?NS_ROSTER, process_iq}]}.
+
+stop(_Host) ->
+    ok.
 
 reload(Host, NewOpts, OldOpts) ->
     NewMod = gen_mod:db_mod(NewOpts, ?MODULE),
diff --git a/src/mod_s2s_dialback.erl b/src/mod_s2s_dialback.erl
index cd0a9b8f6fe..527388d8788 100644
--- a/src/mod_s2s_dialback.erl
+++ b/src/mod_s2s_dialback.erl
@@ -40,49 +40,21 @@
 %%%===================================================================
 %%% API
 %%%===================================================================
-start(Host, _Opts) ->
-    ejabberd_hooks:add(s2s_out_init, Host, ?MODULE, s2s_out_init, 50),
-    ejabberd_hooks:add(s2s_out_closed, Host, ?MODULE, s2s_out_closed, 50),
-    ejabberd_hooks:add(s2s_in_pre_auth_features, Host, ?MODULE,
-		       s2s_in_features, 50),
-    ejabberd_hooks:add(s2s_in_post_auth_features, Host, ?MODULE,
-		       s2s_in_features, 50),
-    ejabberd_hooks:add(s2s_in_handle_recv, Host, ?MODULE,
-		       s2s_in_recv, 50),
-    ejabberd_hooks:add(s2s_in_unauthenticated_packet, Host, ?MODULE,
-		       s2s_in_packet, 50),
-    ejabberd_hooks:add(s2s_in_authenticated_packet, Host, ?MODULE,
-		       s2s_in_packet, 50),
-    ejabberd_hooks:add(s2s_out_packet, Host, ?MODULE,
-		       s2s_out_packet, 50),
-    ejabberd_hooks:add(s2s_out_downgraded, Host, ?MODULE,
-		       s2s_out_downgraded, 50),
-    ejabberd_hooks:add(s2s_out_auth_result, Host, ?MODULE,
-		       s2s_out_auth_result, 50),
-    ejabberd_hooks:add(s2s_out_tls_verify, Host, ?MODULE,
-		       s2s_out_tls_verify, 50).
+start(_Host, _Opts) ->
+    {ok, [{hook, s2s_out_init, s2s_out_init, 50},
+          {hook, s2s_out_closed, s2s_out_closed, 50},
+          {hook, s2s_in_pre_auth_features, s2s_in_features, 50},
+          {hook, s2s_in_post_auth_features, s2s_in_features, 50},
+          {hook, s2s_in_handle_recv, s2s_in_recv, 50},
+          {hook, s2s_in_unauthenticated_packet, s2s_in_packet, 50},
+          {hook, s2s_in_authenticated_packet, s2s_in_packet, 50},
+          {hook, s2s_out_packet, s2s_out_packet, 50},
+          {hook, s2s_out_downgraded, s2s_out_downgraded, 50},
+          {hook, s2s_out_auth_result, s2s_out_auth_result, 50},
+          {hook, s2s_out_tls_verify, s2s_out_tls_verify, 50}]}.
 
-stop(Host) ->
-    ejabberd_hooks:delete(s2s_out_init, Host, ?MODULE, s2s_out_init, 50),
-    ejabberd_hooks:delete(s2s_out_closed, Host, ?MODULE, s2s_out_closed, 50),
-    ejabberd_hooks:delete(s2s_in_pre_auth_features, Host, ?MODULE,
-			  s2s_in_features, 50),
-    ejabberd_hooks:delete(s2s_in_post_auth_features, Host, ?MODULE,
-			  s2s_in_features, 50),
-    ejabberd_hooks:delete(s2s_in_handle_recv, Host, ?MODULE,
-			  s2s_in_recv, 50),
-    ejabberd_hooks:delete(s2s_in_unauthenticated_packet, Host, ?MODULE,
-			  s2s_in_packet, 50),
-    ejabberd_hooks:delete(s2s_in_authenticated_packet, Host, ?MODULE,
-			  s2s_in_packet, 50),
-    ejabberd_hooks:delete(s2s_out_packet, Host, ?MODULE,
-			  s2s_out_packet, 50),
-    ejabberd_hooks:delete(s2s_out_downgraded, Host, ?MODULE,
-			  s2s_out_downgraded, 50),
-    ejabberd_hooks:delete(s2s_out_auth_result, Host, ?MODULE,
-			  s2s_out_auth_result, 50),
-    ejabberd_hooks:delete(s2s_out_tls_verify, Host, ?MODULE,
-			  s2s_out_tls_verify, 50).
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_service_log.erl b/src/mod_service_log.erl
index c387ce04c65..b7686b693b4 100644
--- a/src/mod_service_log.erl
+++ b/src/mod_service_log.erl
@@ -36,18 +36,11 @@
 -include("translate.hrl").
 -include_lib("xmpp/include/xmpp.hrl").
 
-start(Host, _Opts) ->
-    ejabberd_hooks:add(user_send_packet, Host, ?MODULE,
-		       log_user_send, 50),
-    ejabberd_hooks:add(user_receive_packet, Host, ?MODULE,
-		       log_user_receive, 50),
-    ok.
+start(_Host, _Opts) ->
+    {ok, [{hook, user_send_packet, log_user_send, 50},
+          {hook, user_receive_packet, log_user_receive, 50}]}.
 
-stop(Host) ->
-    ejabberd_hooks:delete(user_send_packet, Host, ?MODULE,
-			  log_user_send, 50),
-    ejabberd_hooks:delete(user_receive_packet, Host,
-			  ?MODULE, log_user_receive, 50),
+stop(_Host) ->
     ok.
 
 depends(_Host, _Opts) ->
diff --git a/src/mod_shared_roster.erl b/src/mod_shared_roster.erl
index 57999273931..9f94086c1c3 100644
--- a/src/mod_shared_roster.erl
+++ b/src/mod_shared_roster.erl
@@ -85,53 +85,20 @@ start(Host, Opts) ->
     Mod = gen_mod:db_mod(Opts, ?MODULE),
     Mod:init(Host, Opts),
     init_cache(Mod, Host, Opts),
-    ejabberd_hooks:add(webadmin_menu_host, Host, ?MODULE,
-		       webadmin_menu, 70),
-    ejabberd_hooks:add(webadmin_page_host, Host, ?MODULE,
-		       webadmin_page, 50),
-    ejabberd_hooks:add(roster_get, Host, ?MODULE,
-		       get_user_roster, 70),
-    ejabberd_hooks:add(roster_in_subscription, Host,
-		       ?MODULE, in_subscription, 30),
-    ejabberd_hooks:add(roster_out_subscription, Host,
-		       ?MODULE, out_subscription, 30),
-    ejabberd_hooks:add(roster_get_jid_info, Host, ?MODULE,
-		       get_jid_info, 70),
-    ejabberd_hooks:add(roster_process_item, Host, ?MODULE,
-		       process_item, 50),
-    ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE,
-		       c2s_self_presence, 50),
-    ejabberd_hooks:add(unset_presence_hook, Host, ?MODULE,
-		       unset_presence, 50),
-    ejabberd_hooks:add(register_user, Host, ?MODULE,
-		       register_user, 50),
-    ejabberd_hooks:add(remove_user, Host, ?MODULE,
-		       remove_user, 50).
-
-stop(Host) ->
-    ejabberd_hooks:delete(webadmin_menu_host, Host, ?MODULE,
-			  webadmin_menu, 70),
-    ejabberd_hooks:delete(webadmin_page_host, Host, ?MODULE,
-			  webadmin_page, 50),
-    ejabberd_hooks:delete(roster_get, Host, ?MODULE,
-			  get_user_roster, 70),
-    ejabberd_hooks:delete(roster_in_subscription, Host,
-			  ?MODULE, in_subscription, 30),
-    ejabberd_hooks:delete(roster_out_subscription, Host,
-			  ?MODULE, out_subscription, 30),
-    ejabberd_hooks:delete(roster_get_jid_info, Host,
-			  ?MODULE, get_jid_info, 70),
-    ejabberd_hooks:delete(roster_process_item, Host,
-			  ?MODULE, process_item, 50),
-    ejabberd_hooks:delete(c2s_self_presence, Host,
-			  ?MODULE, c2s_self_presence, 50),
-    ejabberd_hooks:delete(unset_presence_hook, Host,
-			  ?MODULE, unset_presence, 50),
-    ejabberd_hooks:delete(register_user, Host, ?MODULE,
-			  register_user, 50),
-    ejabberd_hooks:delete(remove_user, Host, ?MODULE,
-			  remove_user,
-			  50).
+    {ok, [{hook, webadmin_menu_host, webadmin_menu, 70},
+          {hook, webadmin_page_host, webadmin_page, 50},
+          {hook, roster_get, get_user_roster, 70},
+          {hook, roster_in_subscription, in_subscription, 30},
+          {hook, roster_out_subscription, out_subscription, 30},
+          {hook, roster_get_jid_info, get_jid_info, 70},
+          {hook, roster_process_item, process_item, 50},
+          {hook, c2s_self_presence, c2s_self_presence, 50},
+          {hook, unset_presence_hook, unset_presence, 50},
+          {hook, register_user, register_user, 50},
+          {hook, remove_user, remove_user, 50}]}.
+
+stop(_Host) ->
+    ok.
 
 reload(Host, NewOpts, OldOpts) ->
     NewMod = gen_mod:db_mod(NewOpts, ?MODULE),
diff --git a/src/mod_sic.erl b/src/mod_sic.erl
index 94f82e10be9..0079caf51e3 100644
--- a/src/mod_sic.erl
+++ b/src/mod_sic.erl
@@ -38,21 +38,14 @@
 -include_lib("xmpp/include/xmpp.hrl").
 -include("translate.hrl").
 
-start(Host, _Opts) ->
-    gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_SIC_0,
-				  ?MODULE, process_local_iq),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host, ?NS_SIC_0,
-				  ?MODULE, process_sm_iq),
-    gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_SIC_1,
-				  ?MODULE, process_local_iq),
-    gen_iq_handler:add_iq_handler(ejabberd_sm, Host, ?NS_SIC_1,
-				  ?MODULE, process_sm_iq).
+start(_Host, _Opts) ->
+    {ok, [{iq_handler, ejabberd_local, ?NS_SIC_0, process_local_iq},
+          {iq_handler, ejabberd_sm, ?NS_SIC_0, process_sm_iq},
+          {iq_handler, ejabberd_local, ?NS_SIC_1, process_local_iq},
+          {iq_handler, ejabberd_sm, ?NS_SIC_1, process_sm_iq}]}.
 
-stop(Host) ->
-    gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_SIC_0),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_SIC_0),
-    gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_SIC_1),
-    gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_SIC_1).
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_stats.erl b/src/mod_stats.erl
index 492a486b987..216c25f8bc9 100644
--- a/src/mod_stats.erl
+++ b/src/mod_stats.erl
@@ -38,15 +38,14 @@
 -include_lib("xmpp/include/xmpp.hrl").
 -include("translate.hrl").
 
-start(Host, _Opts) ->
-    gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_STATS,
-				  ?MODULE, process_iq).
+start(_Host, _Opts) ->
+    {ok, [{iq_handler, ejabberd_local, ?NS_STATS, process_iq}]}.
 
-stop(Host) ->
-    gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_STATS).
+stop(_Host) ->
+    ok.
 
 reload(Host, NewOpts, _OldOpts) ->
-    start(Host, NewOpts).
+    ok.
 
 depends(_Host, _Opts) ->
     [].
diff --git a/src/mod_stream_mgmt.erl b/src/mod_stream_mgmt.erl
index 7b02b2e48fa..e87109a5ff4 100644
--- a/src/mod_stream_mgmt.erl
+++ b/src/mod_stream_mgmt.erl
@@ -61,42 +61,22 @@
 %%%===================================================================
 %%% API
 %%%===================================================================
-start(Host, Opts) ->
+start(_Host, Opts) ->
     init_cache(Opts),
-    ejabberd_hooks:add(c2s_stream_started, Host, ?MODULE,
-		       c2s_stream_started, 50),
-    ejabberd_hooks:add(c2s_post_auth_features, Host, ?MODULE,
-		       c2s_stream_features, 50),
-    ejabberd_hooks:add(c2s_unauthenticated_packet, Host, ?MODULE,
-		       c2s_unauthenticated_packet, 50),
-    ejabberd_hooks:add(c2s_unbinded_packet, Host, ?MODULE,
-		       c2s_unbinded_packet, 50),
-    ejabberd_hooks:add(c2s_authenticated_packet, Host, ?MODULE,
-		       c2s_authenticated_packet, 50),
-    ejabberd_hooks:add(c2s_handle_send, Host, ?MODULE, c2s_handle_send, 50),
-    ejabberd_hooks:add(c2s_handle_recv, Host, ?MODULE, c2s_handle_recv, 50),
-    ejabberd_hooks:add(c2s_handle_info, Host, ?MODULE, c2s_handle_info, 50),
-    ejabberd_hooks:add(c2s_handle_call, Host, ?MODULE, c2s_handle_call, 50),
-    ejabberd_hooks:add(c2s_closed, Host, ?MODULE, c2s_closed, 50),
-    ejabberd_hooks:add(c2s_terminated, Host, ?MODULE, c2s_terminated, 50).
-
-stop(Host) ->
-    ejabberd_hooks:delete(c2s_stream_started, Host, ?MODULE,
-			  c2s_stream_started, 50),
-    ejabberd_hooks:delete(c2s_post_auth_features, Host, ?MODULE,
-			  c2s_stream_features, 50),
-    ejabberd_hooks:delete(c2s_unauthenticated_packet, Host, ?MODULE,
-			  c2s_unauthenticated_packet, 50),
-    ejabberd_hooks:delete(c2s_unbinded_packet, Host, ?MODULE,
-			  c2s_unbinded_packet, 50),
-    ejabberd_hooks:delete(c2s_authenticated_packet, Host, ?MODULE,
-			  c2s_authenticated_packet, 50),
-    ejabberd_hooks:delete(c2s_handle_send, Host, ?MODULE, c2s_handle_send, 50),
-    ejabberd_hooks:delete(c2s_handle_recv, Host, ?MODULE, c2s_handle_recv, 50),
-    ejabberd_hooks:delete(c2s_handle_info, Host, ?MODULE, c2s_handle_info, 50),
-    ejabberd_hooks:delete(c2s_handle_call, Host, ?MODULE, c2s_handle_call, 50),
-    ejabberd_hooks:delete(c2s_closed, Host, ?MODULE, c2s_closed, 50),
-    ejabberd_hooks:delete(c2s_terminated, Host, ?MODULE, c2s_terminated, 50).
+    {ok, [{hook, c2s_stream_started, c2s_stream_started, 50},
+          {hook, c2s_post_auth_features, c2s_stream_features, 50},
+          {hook, c2s_unauthenticated_packet, c2s_unauthenticated_packet, 50},
+          {hook, c2s_unbinded_packet, c2s_unbinded_packet, 50},
+          {hook, c2s_authenticated_packet, c2s_authenticated_packet, 50},
+          {hook, c2s_handle_send, c2s_handle_send, 50},
+          {hook, c2s_handle_recv, c2s_handle_recv, 50},
+          {hook, c2s_handle_info, c2s_handle_info, 50},
+          {hook, c2s_handle_call, c2s_handle_call, 50},
+          {hook, c2s_closed, c2s_closed, 50},
+          {hook, c2s_terminated, c2s_terminated, 50}]}.
+
+stop(_Host) ->
+    ok.
 
 reload(_Host, NewOpts, _OldOpts) ->
     init_cache(NewOpts),
diff --git a/src/mod_time.erl b/src/mod_time.erl
index c954761c297..9e580e3040f 100644
--- a/src/mod_time.erl
+++ b/src/mod_time.erl
@@ -39,13 +39,11 @@
 -include_lib("xmpp/include/xmpp.hrl").
 -include("translate.hrl").
 
-start(Host, _Opts) ->
-    gen_iq_handler:add_iq_handler(ejabberd_local, Host,
-				  ?NS_TIME, ?MODULE, process_local_iq).
+start(_Host, _Opts) ->
+    {ok, [{iq_handler, ejabberd_local, ?NS_TIME, process_local_iq}]}.
 
-stop(Host) ->
-    gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
-				     ?NS_TIME).
+stop(_Host) ->
+    ok.
 
 reload(_Host, _NewOpts, _OldOpts) ->
     ok.
diff --git a/src/mod_vcard_xupdate.erl b/src/mod_vcard_xupdate.erl
index d169b78f483..3cf67ad090e 100644
--- a/src/mod_vcard_xupdate.erl
+++ b/src/mod_vcard_xupdate.erl
@@ -48,22 +48,13 @@
 
 start(Host, Opts) ->
     init_cache(Host, Opts),
-    ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE,
-		       update_presence, 100),
-    ejabberd_hooks:add(user_send_packet, Host, ?MODULE,
-		       user_send_packet, 50),
-    ejabberd_hooks:add(vcard_iq_set, Host, ?MODULE, vcard_set,
-		       90),
-    ejabberd_hooks:add(remove_user, Host, ?MODULE, remove_user, 50).
-
-stop(Host) ->
-    ejabberd_hooks:delete(c2s_self_presence, Host,
-			  ?MODULE, update_presence, 100),
-    ejabberd_hooks:delete(user_send_packet, Host, ?MODULE,
-			  user_send_packet, 50),
-    ejabberd_hooks:delete(vcard_iq_set, Host, ?MODULE,
-			  vcard_set, 90),
-    ejabberd_hooks:delete(remove_user, Host, ?MODULE, remove_user, 50).
+    {ok, [{hook, c2s_self_presence, update_presence, 100},
+          {hook, user_send_packet, user_send_packet, 50},
+          {hook, vcard_iq_set, vcard_set, 90},
+          {hook, remove_user, remove_user, 50}]}.
+
+stop(_Host) ->
+    ok.
 
 reload(Host, NewOpts, _OldOpts) ->
     init_cache(Host, NewOpts).