diff --git a/autotest/test_commands.tcc b/autotest/test_commands.tcc
index 1790d05..eb73f57 100644
--- a/autotest/test_commands.tcc
+++ b/autotest/test_commands.tcc
@@ -19,7 +19,8 @@ EXO_TEST(setup, {
 	hub = hub_malloc_zero(sizeof(struct hub_info));
 	cbase = command_initialize(hub);
 	hub->commands = cbase;
-	return cbase && hub && uman_init(hub) == 0;
+	hub->users = uman_init();
+	return cbase && hub && hub->users;
 });
 
 static int test_handler(struct command_base* cbase, struct hub_user* user, struct hub_command* hcmd)
@@ -127,7 +128,7 @@ EXO_TEST(command_number_3, { return verify("!test3 -12", cmd_status_ok); });
 
 EXO_TEST(command_user_1, { return verify("!test4 tester", cmd_status_arg_nick); });
 EXO_TEST(command_user_2, { return verify("!test5 3AGHMAASJA2RFNM22AA6753V7B7DYEPNTIWHBAY", cmd_status_arg_cid); });
-EXO_TEST(command_user_3, { return uman_add(hub, &user) == 0; });
+EXO_TEST(command_user_3, { return uman_add(hub->users, &user) == 0; });
 EXO_TEST(command_user_4, { return verify("!test4 tester", cmd_status_ok); });
 EXO_TEST(command_user_5, { return verify("!test5 3AGHMAASJA2RFNM22AA6753V7B7DYEPNTIWHBAY", cmd_status_ok); });
 
@@ -225,7 +226,7 @@ EXO_TEST(command_argument_cred_6, {
 
 #undef SETUP_COMMAND
 
-EXO_TEST(command_user_destroy, { return uman_remove(hub, &user) == 0; });
+EXO_TEST(command_user_destroy, { return uman_remove(hub->users, &user) == 0; });
 
 EXO_TEST(command_destroy, {
 
@@ -241,3 +242,10 @@ EXO_TEST(command_destroy, {
 	DEL_TEST(c_test7);
 	return 1;
 });
+
+EXO_TEST(cleanup, {
+	uman_shutdown(hub->users);
+	command_shutdown(hub->commands);
+	hub_free(hub);
+	return 1;
+});
diff --git a/autotest/test_usermanager.tcc b/autotest/test_usermanager.tcc
index 61634cf..c2ef61f 100644
--- a/autotest/test_usermanager.tcc
+++ b/autotest/test_usermanager.tcc
@@ -2,32 +2,19 @@
 
 #define MAX_USERS 64
 
-static struct hub_info um_hub;
+static struct hub_user_manager* uman = 0;
 static struct hub_user um_user[MAX_USERS];
-// static struct net_connection um_cons[MAX_USERS];
-
-EXO_TEST(um_test_setup, {
-	int i = 0;
-	memset(&um_hub,  0, sizeof(um_hub));
-	
-	for (i = 0; i < MAX_USERS; i++)
-	{
-/*		memset(&um_cons[i], 0, sizeof(struct net_connection));
-		um_cons[i].sd = -1;
-
-		memset(&um_user[i], 0, sizeof(struct hub_user));
-		um_user[i].id.sid = i+1;
-		um_user[i].connection = &um_cons[i];*/
-	}
-	return 1;
-});
 
 EXO_TEST(um_init_1, {
-	return uman_init(0) != 0;
-});
-
-EXO_TEST(um_init_2, {
-	return uman_init(&um_hub) == 0;
+	sid_t s;
+	uman = uman_init();
+	
+	for (s = 0; s < MAX_USERS; s++)
+	{
+		memset(&um_user[s], 0, sizeof(struct hub_user));
+		um_user[s].id.sid = s;
+	}
+	return !!uman;
 });
 
 EXO_TEST(um_shutdown_1, {
@@ -35,32 +22,29 @@ EXO_TEST(um_shutdown_1, {
 });
 
 EXO_TEST(um_shutdown_2, {
-	return uman_shutdown(&um_hub) == 0;
+	return uman_shutdown(uman) == 0;
 });
 
-EXO_TEST(um_shutdown_3, {
-	return uman_shutdown(&um_hub) == -1;
-});
-
-EXO_TEST(um_init_3, {
-	return uman_init(&um_hub) == 0;
+EXO_TEST(um_init_2, {
+	uman = uman_init();
+	return !!uman;
 });
 
 EXO_TEST(um_add_1, {
-	return uman_add(&um_hub, &um_user[0]) == 0;
+	return uman_add(uman, &um_user[0]) == 0;
 });
 
 EXO_TEST(um_size_1, {
-	return hub_get_user_count(&um_hub) == 1;
+	return uman->count == 1;
 });
 
 
 EXO_TEST(um_remove_1, {
-	return uman_remove(&um_hub, &um_user[0]) == 0;
+	return uman_remove(uman, &um_user[0]) == 0;
 });
 
 EXO_TEST(um_size_2, {
-	return hub_get_user_count(&um_hub) == 0;
+	return uman->count == 0;
 });
 
 
@@ -68,25 +52,21 @@ EXO_TEST(um_add_2, {
 	int i;
 	for (i = 0; i < MAX_USERS; i++)
 	{
-		if (uman_add(&um_hub, &um_user[i]) != 0)
+		if (uman_add(uman, &um_user[i]) != 0)
 			return 0;
 	}
 	return 1;
 });
 
 EXO_TEST(um_size_3, {
-	return hub_get_user_count(&um_hub) == MAX_USERS;
-});
-
-EXO_TEST(um_add_3, {
-	return uman_add(&um_hub, &um_user[5]) != 0;
+	return uman->count == MAX_USERS;
 });
 
 EXO_TEST(um_remove_2, {
 	int i;
 	for (i = 0; i < MAX_USERS; i++)
 	{
-		if (uman_remove(&um_hub, &um_user[i]) != 0)
+		if (uman_remove(uman, &um_user[i]) != 0)
 			return 0;
 	}
 	return 1;
@@ -105,5 +85,5 @@ EXO_TEST(um_remove_2, {
 
 /* Last test */
 EXO_TEST(um_shutdown_4, {
-	return uman_shutdown(&um_hub) == 0;
+	return uman_shutdown(uman) == 0;
 });
diff --git a/src/core/command_parser.c b/src/core/command_parser.c
index 93ee5e2..c940f93 100644
--- a/src/core/command_parser.c
+++ b/src/core/command_parser.c
@@ -117,7 +117,7 @@ static enum command_parse_status command_extract_arguments(struct hub_info* hub,
 			case 'u':
 				data = hub_malloc(sizeof(*data));
 				data->type = type_user;
-				data->data.user = uman_get_user_by_nick(hub, token);
+				data->data.user = uman_get_user_by_nick(hub->users, token);
 				if (!data->data.user)
 				{
 					hub_free(data);
@@ -129,7 +129,7 @@ static enum command_parse_status command_extract_arguments(struct hub_info* hub,
 			case 'i':
 				data = hub_malloc(sizeof(*data));
 				data->type = type_user;
-				data->data.user = uman_get_user_by_cid(hub, token);
+				data->data.user = uman_get_user_by_cid(hub->users, token);
 				if (!data->data.user)
 				{
 					hub_free(data);
diff --git a/src/core/commands.c b/src/core/commands.c
index fb3256c..8702152 100644
--- a/src/core/commands.c
+++ b/src/core/commands.c
@@ -421,7 +421,7 @@ static int command_whoip(struct command_base* cbase, struct hub_user* user, stru
 	struct hub_user* u;
 	int ret = 0;
 
-	ret = uman_get_user_by_addr(cbase->hub, users, arg->data.range);
+	ret = uman_get_user_by_addr(cbase->hub->users, users, arg->data.range);
 	if (!ret)
 	{
 		list_clear(users, &null_free);
diff --git a/src/core/hub.c b/src/core/hub.c
index 8697f96..7229e76 100644
--- a/src/core/hub.c
+++ b/src/core/hub.c
@@ -110,21 +110,21 @@ int hub_handle_message(struct hub_info* hub, struct hub_user* u, const char* lin
 
 			case ADC_CMD_DRES:
 				cmd->priority = -1;
-				if (plugin_handle_search_result(hub, u, uman_get_user_by_sid(hub, cmd->target), cmd->cache) == st_deny)
+				if (plugin_handle_search_result(hub, u, uman_get_user_by_sid(hub->users, cmd->target), cmd->cache) == st_deny)
 					break;
 				/* CHECK_FLOOD(search, 0); */
 				ROUTE_MSG;
 
 			case ADC_CMD_DRCM:
 				cmd->priority = -1;
-				if (plugin_handle_revconnect(hub, u, uman_get_user_by_sid(hub, cmd->target)) == st_deny)
+				if (plugin_handle_revconnect(hub, u, uman_get_user_by_sid(hub->users, cmd->target)) == st_deny)
 					break;
 				CHECK_FLOOD(connect, 1);
 				ROUTE_MSG;
 
 			case ADC_CMD_DCTM:
 				cmd->priority = -1;
-				if (plugin_handle_connect(hub, u, uman_get_user_by_sid(hub, cmd->target)) == st_deny)
+				if (plugin_handle_connect(hub, u, uman_get_user_by_sid(hub->users, cmd->target)) == st_deny)
 					break;
 				CHECK_FLOOD(connect, 1);
 				ROUTE_MSG;
@@ -340,7 +340,7 @@ int hub_handle_chat_message(struct hub_info* hub, struct hub_user* u, struct adc
 		}
 		else if (private_msg)
 		{
-			struct hub_user* target = uman_get_user_by_sid(hub, cmd->target);
+			struct hub_user* target = uman_get_user_by_sid(hub->users, cmd->target);
 			if (target)
 				status = plugin_handle_private_message(hub, u, target, message_decoded, 0);
 			else
@@ -381,7 +381,7 @@ void hub_send_sid(struct hub_info* hub, struct hub_user* u)
 	if (user_is_connecting(u))
 	{
 		command = adc_msg_construct(ADC_CMD_ISID, 10);
-		sid = uman_get_free_sid(hub, u);
+		sid = uman_get_free_sid(hub->users, u);
 		adc_msg_add_argument(command, (const char*) sid_to_string(sid));
 		route_to_user(hub, u, command);
 		adc_msg_free(command);
@@ -520,11 +520,11 @@ static int check_duplicate_logins_ok(struct hub_info* hub, struct hub_user* user
 	struct hub_user* lookup1;
 	struct hub_user* lookup2;
 
-	lookup1 = uman_get_user_by_nick(hub, user->id.nick);
+	lookup1 = uman_get_user_by_nick(hub->users, user->id.nick);
 	if (lookup1)
 		return status_msg_inf_error_nick_taken;
 
-	lookup2 = uman_get_user_by_cid(hub,  user->id.cid);
+	lookup2 = uman_get_user_by_cid(hub->users, user->id.cid);
 	if (lookup2)
 		return status_msg_inf_error_cid_taken;
 
@@ -568,8 +568,8 @@ static void hub_event_dispatcher(void* callback_data, struct event_data* message
 
 		case UHUB_EVENT_USER_QUIT:
 		{
-			uman_remove(hub, user);
-			uman_send_quit_message(hub, user);
+			uman_remove(hub->users, user);
+			uman_send_quit_message(hub, hub->users, user);
 			on_logout_user(hub, user);
 			hub_schedule_destroy_user(hub, user);
 			break;
@@ -586,7 +586,7 @@ static void hub_event_dispatcher(void* callback_data, struct event_data* message
 			struct hub_user* u = (struct hub_user*) list_get_first(hub->users->list);
 			while (u)
 			{
-				uman_remove(hub, u);
+				uman_remove(hub->users, u);
 				user_destroy(u);
 				u = (struct hub_user*) list_get_first(hub->users->list);
 			}
@@ -781,7 +781,8 @@ struct hub_info* hub_start_service(struct hub_config* config)
 	hub->config = config;
 	hub->users = NULL;
 
-	if (uman_init(hub) == -1)
+	hub->users = uman_init();
+	if (!hub->users)
 	{
 		net_con_close(hub->server);
 		hub_free(hub);
@@ -791,7 +792,7 @@ struct hub_info* hub_start_service(struct hub_config* config)
 	if (event_queue_initialize(&hub->queue, hub_event_dispatcher, (void*) hub) == -1)
 	{
 		net_con_close(hub->server);
-		uman_shutdown(hub);
+		uman_shutdown(hub->users);
 		hub_free(hub);
 		return 0;
 	}
@@ -803,7 +804,7 @@ struct hub_info* hub_start_service(struct hub_config* config)
 		net_con_close(hub->server);
 		hub_free(hub->recvbuf);
 		hub_free(hub->sendbuf);
-		uman_shutdown(hub);
+		uman_shutdown(hub->users);
 		hub_free(hub);
 		return 0;
 	}
@@ -832,7 +833,7 @@ void hub_shutdown_service(struct hub_info* hub)
 	event_queue_shutdown(hub->queue);
 	net_con_close(hub->server);
 	server_alt_port_stop(hub);
-	uman_shutdown(hub);
+	uman_shutdown(hub->users);
 	hub->status = hub_status_stopped;
 	hub_free(hub->sendbuf);
 	hub_free(hub->recvbuf);
diff --git a/src/core/hubevent.c b/src/core/hubevent.c
index dc61da2..f25b4f4 100644
--- a/src/core/hubevent.c
+++ b/src/core/hubevent.c
@@ -24,12 +24,12 @@
 void on_login_success(struct hub_info* hub, struct hub_user* u)
 {
 	/* Send user list of all existing users */
-	if (!uman_send_user_list(hub, u))
+	if (!uman_send_user_list(hub, hub->users, u))
 		return;
 
 	/* Mark as being in the normal state, and add user to the user list */
 	user_set_state(u, state_normal);
-	uman_add(hub, u);
+	uman_add(hub->users, u);
 
 	/* Announce new user to all connected users */
 	if (user_is_logged_in(u))
diff --git a/src/core/inf.c b/src/core/inf.c
index a14f8ae..704abdc 100644
--- a/src/core/inf.c
+++ b/src/core/inf.c
@@ -325,8 +325,8 @@ static int check_nick(struct hub_info* hub, struct hub_user* user, struct adc_me
 
 static int check_logged_in(struct hub_info* hub, struct hub_user* user, struct adc_message* cmd)
 {
-	struct hub_user* lookup1 = uman_get_user_by_nick(hub, user->id.nick);
-	struct hub_user* lookup2 = uman_get_user_by_cid(hub,  user->id.cid);
+	struct hub_user* lookup1 = uman_get_user_by_nick(hub->users, user->id.nick);
+	struct hub_user* lookup2 = uman_get_user_by_cid(hub->users, user->id.cid);
 	
 	if (lookup1 == user)
 	{
diff --git a/src/core/netevent.c b/src/core/netevent.c
index 46b9306..d250883 100644
--- a/src/core/netevent.c
+++ b/src/core/netevent.c
@@ -21,9 +21,6 @@
 #include "hubio.h"
 #include "probe.h"
 
-/* FIXME: This should not be needed! */
-extern struct hub_info* g_hub;
-
 int handle_net_read(struct hub_user* user)
 {
 	static char buf[MAX_RECV_BUF];
@@ -71,9 +68,9 @@ int handle_net_read(struct hub_user* user)
 			}
 			else
 			{
-				if (((pos - start) > 0) && g_hub->config->max_recv_buffer > (pos - start))
+				if (((pos - start) > 0) && user->hub->config->max_recv_buffer > (pos - start))
 				{
-					if (hub_handle_message(g_hub, user, start, (pos - start)) == -1)
+					if (hub_handle_message(user->hub, user, start, (pos - start)) == -1)
 					{
 							return quit_protocol_error;
 					}
@@ -88,7 +85,7 @@ int handle_net_read(struct hub_user* user)
 
 		if (lastPos || remaining)
 		{
-			if (remaining < (size_t) g_hub->config->max_recv_buffer)
+			if (remaining < (size_t) user->hub->config->max_recv_buffer)
 			{
 				hub_recvq_set(q, lastPos ? lastPos : buf, remaining);
 			}
@@ -144,7 +141,7 @@ void net_event(struct net_connection* con, int event, void *arg)
 	{
 		if (user_is_connecting(user))
 		{
-			hub_disconnect_user(g_hub, user, quit_timeout);
+			hub_disconnect_user(user->hub, user, quit_timeout);
 		}
 		return;
 	}
@@ -154,7 +151,7 @@ void net_event(struct net_connection* con, int event, void *arg)
 		flag_close = handle_net_read(user);
 		if (flag_close)
 		{
-			hub_disconnect_user(g_hub, user, flag_close);
+			hub_disconnect_user(user->hub, user, flag_close);
 			return;
 		}
 	}
@@ -164,7 +161,7 @@ void net_event(struct net_connection* con, int event, void *arg)
 		flag_close = handle_net_write(user);
 		if (flag_close)
 		{
-			hub_disconnect_user(g_hub, user, flag_close);
+			hub_disconnect_user(user->hub, user, flag_close);
 			return;
 		}
 	}
diff --git a/src/core/route.c b/src/core/route.c
index 8fd94eb..d903bb6 100644
--- a/src/core/route.c
+++ b/src/core/route.c
@@ -30,7 +30,7 @@ int route_message(struct hub_info* hub, struct hub_user* u, struct adc_message*
 			break;
 			
 		case 'D':
-			target = uman_get_user_by_sid(hub, msg->target);
+			target = uman_get_user_by_sid(hub->users, msg->target);
 			if (target)
 			{
 				route_to_user(hub, target, msg);
@@ -38,7 +38,7 @@ int route_message(struct hub_info* hub, struct hub_user* u, struct adc_message*
 			break;
 			
 		case 'E':
-			target = uman_get_user_by_sid(hub, msg->target);
+			target = uman_get_user_by_sid(hub->users, msg->target);
 			if (target)
 			{
 				route_to_user(hub, target, msg);
diff --git a/src/core/user.c b/src/core/user.c
index 0f1acb8..294f7f5 100644
--- a/src/core/user.c
+++ b/src/core/user.c
@@ -60,6 +60,8 @@ struct hub_user* user_create(struct hub_info* hub, struct net_connection* con, s
 	flood_control_reset(&user->flood_search);
 	flood_control_reset(&user->flood_update);
 	flood_control_reset(&user->flood_extras);
+
+	user->hub = hub;
 	return user;
 }
 
diff --git a/src/core/usermanager.c b/src/core/usermanager.c
index 452eff4..cd934fd 100644
--- a/src/core/usermanager.c
+++ b/src/core/usermanager.c
@@ -38,50 +38,48 @@ static void clear_user_list_callback(void* ptr)
 	}
 }
 
-void uman_update_stats(struct hub_info* hub)
+#ifdef STATS_SUPPORT
+void uman_update_stats(struct hub_user_manager* users)
 {
 	const int factor = TIMEOUT_STATS;
 	struct net_statistics* total;
 	struct net_statistics* intermediate;
 	net_stats_get(&intermediate, &total);
 
-	hub->stats.net_tx = (intermediate->tx / factor);
-	hub->stats.net_rx = (intermediate->rx / factor);
-	hub->stats.net_tx_peak = MAX(hub->stats.net_tx, hub->stats.net_tx_peak);
-	hub->stats.net_rx_peak = MAX(hub->stats.net_rx, hub->stats.net_rx_peak);
-	hub->stats.net_tx_total = total->tx;
-	hub->stats.net_rx_total = total->rx;
+	users->stats.net_tx = (intermediate->tx / factor);
+	users->stats.net_rx = (intermediate->rx / factor);
+	users->stats.net_tx_peak = MAX(users->stats.net_tx, users->stats.net_tx_peak);
+	users->stats.net_rx_peak = MAX(users->stats.net_rx, users->stats.net_rx_peak);
+	users->stats.net_tx_total = total->tx;
+	users->stats.net_rx_total = total->rx;
 	
 	net_stats_reset();
 }
 
-void uman_print_stats(struct hub_info* hub)
+void uman_print_stats(struct hub_user_manager* users)
 {
 	LOG_INFO("Statistics  users=" PRINTF_SIZE_T " (peak_users=" PRINTF_SIZE_T "), net_tx=%d KB/s, net_rx=%d KB/s (peak_tx=%d KB/s, peak_rx=%d KB/s)",
-		hub->users->count,
-		hub->users->count_peak,
-		(int) hub->stats.net_tx / 1024,
-		(int) hub->stats.net_rx / 1024,
-		(int) hub->stats.net_tx_peak / 1024,
-		(int) hub->stats.net_rx_peak / 1024);
+		users->users->count,
+		users->users->count_peak,
+		(int) users->stats.net_tx / 1024,
+		(int) users->stats.net_rx / 1024,
+		(int) users->stats.net_tx_peak / 1024,
+		(int) users->stats.net_rx_peak / 1024);
 }
 
 static void timer_statistics(struct timeout_evt* t)
 {
-	struct hub_info* hub = (struct hub_info*) t->ptr;
-	uman_update_stats(hub);
-	timeout_queue_reschedule(net_backend_get_timeout_queue(), hub->users->timeout, TIMEOUT_STATS);
+	struct hub_user_manager* users = (struct hub_user_manager*) t->ptr;
+	uman_update_stats(users);
+	timeout_queue_reschedule(net_backend_get_timeout_queue(), users->timeout, TIMEOUT_STATS);
 }
+#endif // STATS_SUPPORT
 
-int uman_init(struct hub_info* hub)
+struct hub_user_manager* uman_init()
 {
-	struct hub_user_manager* users = NULL;
-	if (!hub)
-		return -1;
-
-	users = (struct hub_user_manager*) hub_malloc_zero(sizeof(struct hub_user_manager));
+	struct hub_user_manager* users = (struct hub_user_manager*) hub_malloc_zero(sizeof(struct hub_user_manager));
 	if (!users)
-		return -1;
+		return NULL;
 
 	users->list = list_create();
 	users->sids = sid_pool_create(net_get_max_sockets());
@@ -90,143 +88,136 @@ int uman_init(struct hub_info* hub)
 	{
 		list_destroy(users->list);
 		hub_free(users);
-		return -1;
+		return NULL;
 	}
 
+#ifdef STATS_SUPPORT
 	if (net_backend_get_timeout_queue())
 	{
 		users->timeout = hub_malloc_zero(sizeof(struct timeout_evt));
 		timeout_evt_initialize(users->timeout, timer_statistics, hub);
 		timeout_queue_insert(net_backend_get_timeout_queue(), users->timeout, TIMEOUT_STATS);
 	}
+#endif // STATS_SUPPORT
 
-	hub->users = users;
-	return 0;
+	return users;
 }
 
 
-int uman_shutdown(struct hub_info* hub)
+int uman_shutdown(struct hub_user_manager* users)
 {
-	if (!hub || !hub->users)
+	if (!users)
 		return -1;
 
+#ifdef STATS_SUPPORT
 	if (net_backend_get_timeout_queue())
 	{
-		timeout_queue_remove(net_backend_get_timeout_queue(), hub->users->timeout);
-		hub_free(hub->users->timeout);
+		timeout_queue_remove(net_backend_get_timeout_queue(), users->timeout);
+		hub_free(users->timeout);
 	}
+#endif
 
-	if (hub->users->list)
+	if (users->list)
 	{
-		list_clear(hub->users->list, &clear_user_list_callback);
-		list_destroy(hub->users->list);
+		list_clear(users->list, &clear_user_list_callback);
+		list_destroy(users->list);
 	}
-	sid_pool_destroy(hub->users->sids);
-	hub_free(hub->users);
-	hub->users = 0;
-
+	sid_pool_destroy(users->sids);
 
+	hub_free(users);
 	return 0;
 }
 
 
-int uman_add(struct hub_info* hub, struct hub_user* user)
+int uman_add(struct hub_user_manager* users, struct hub_user* user)
 {
-	if (!hub || !user)
+	if (!users || !user)
 		return -1;
 
-	if (user->hub)
-		return -1;
+	list_append(users->list, user);
+	users->count++;
+	users->count_peak = MAX(users->count, users->count_peak);
 
-	list_append(hub->users->list, user);
-	hub->users->count++;
-	hub->users->count_peak = MAX(hub->users->count, hub->users->count_peak);
-
-	hub->users->shared_size  += user->limits.shared_size;
-	hub->users->shared_files += user->limits.shared_files;
-
-	user->hub = hub;
+	users->shared_size  += user->limits.shared_size;
+	users->shared_files += user->limits.shared_files;
 	return 0;
 }
 
-int uman_remove(struct hub_info* hub, struct hub_user* user)
+int uman_remove(struct hub_user_manager* users, struct hub_user* user)
 {
-	if (!hub || !user)
+	if (!users || !user)
 		return -1;
 
-	list_remove(hub->users->list, user);
+	list_remove(users->list, user);
 
-	if (hub->users->count > 0)
+	if (users->count > 0)
 	{
-		hub->users->count--;
+		users->count--;
 	}
 	else
 	{
 		uhub_assert(!"negative count!");
 	}
 
-	hub->users->shared_size  -= user->limits.shared_size;
-	hub->users->shared_files -= user->limits.shared_files;
-
-	user->hub = 0;
-
+	users->shared_size  -= user->limits.shared_size;
+	users->shared_files -= user->limits.shared_files;
 	return 0;
 }
 
 
-struct hub_user* uman_get_user_by_sid(struct hub_info* hub, sid_t sid)
+struct hub_user* uman_get_user_by_sid(struct hub_user_manager* users, sid_t sid)
 {
-	return sid_lookup(hub->users->sids, sid);
+	return sid_lookup(users->sids, sid);
 }
 
 
-struct hub_user* uman_get_user_by_cid(struct hub_info* hub, const char* cid)
+struct hub_user* uman_get_user_by_cid(struct hub_user_manager* users, const char* cid)
 {
-	struct hub_user* user = (struct hub_user*) list_get_first(hub->users->list); /* iterate users - only on incoming INF msg */
+	struct hub_user* user = (struct hub_user*) list_get_first(users->list); /* iterate users - only on incoming INF msg */
 	while (user)
 	{
 		if (strcmp(user->id.cid, cid) == 0)
 			return user;
-		user = (struct hub_user*) list_get_next(hub->users->list);
+		user = (struct hub_user*) list_get_next(users->list);
 	}
 	return NULL;
 }
 
 
-struct hub_user* uman_get_user_by_nick(struct hub_info* hub, const char* nick)
+struct hub_user* uman_get_user_by_nick(struct hub_user_manager* users, const char* nick)
 {
-	struct hub_user* user = (struct hub_user*) list_get_first(hub->users->list); /* iterate users - only on incoming INF msg */
+	struct hub_user* user = (struct hub_user*) list_get_first(users->list); /* iterate users - only on incoming INF msg */
 	while (user)
 	{
 		if (strcmp(user->id.nick, nick) == 0)
 			return user;
-		user = (struct hub_user*) list_get_next(hub->users->list);
+		user = (struct hub_user*) list_get_next(users->list);
 	}
 	return NULL;
 }
 
-size_t uman_get_user_by_addr(struct hub_info* hub, struct linked_list* users, struct ip_range* range)
+size_t uman_get_user_by_addr(struct hub_user_manager* users, struct linked_list* target, struct ip_range* range)
 {
 	size_t num = 0;
-	struct hub_user* user = (struct hub_user*) list_get_first(hub->users->list); /* iterate users - only on incoming INF msg */
+	struct hub_user* user = (struct hub_user*) list_get_first(users->list); /* iterate users - only on incoming INF msg */
 	while (user)
 	{
 		if (ip_in_range(&user->id.addr, range))
 		{
-			list_append(users, user);
+			list_append(target, user);
 			num++;
 		}
-		user = (struct hub_user*) list_get_next(hub->users->list);
+		user = (struct hub_user*) list_get_next(users->list);
 	}
 	return num;
 }
 
-int uman_send_user_list(struct hub_info* hub, struct hub_user* target)
+int uman_send_user_list(struct hub_info* hub, struct hub_user_manager* users, struct hub_user* target)
 {
 	int ret = 1;
 	struct hub_user* user;
 	user_flag_set(target, flag_user_list);
-	user = (struct hub_user*) list_get_first(hub->users->list); /* iterate users - only on INF or PAS msg */
+	user = (struct hub_user*) list_get_first(users->list); /* iterate users - only on INF or PAS msg */
 	while (user)
 	{
 		if (user_is_logged_in(user))
@@ -235,7 +226,7 @@ int uman_send_user_list(struct hub_info* hub, struct hub_user* target)
 			if (!ret)
 				break;
 		}
-		user = (struct hub_user*) list_get_next(hub->users->list);
+		user = (struct hub_user*) list_get_next(users->list);
 	}
 
 #if 0
@@ -248,7 +239,7 @@ int uman_send_user_list(struct hub_info* hub, struct hub_user* target)
 	return ret;
 }
 
-void uman_send_quit_message(struct hub_info* hub, struct hub_user* leaving)
+void uman_send_quit_message(struct hub_info* hub, struct hub_user_manager* users, struct hub_user* leaving)
 {
 	struct adc_message* command = adc_msg_construct(ADC_CMD_IQUI, 6);
 	adc_msg_add_argument(command, (const char*) sid_to_string(leaving->id.sid));
@@ -261,9 +252,9 @@ void uman_send_quit_message(struct hub_info* hub, struct hub_user* leaving)
 	adc_msg_free(command);
 }
 
-sid_t uman_get_free_sid(struct hub_info* hub, struct hub_user* user)
+sid_t uman_get_free_sid(struct hub_user_manager* users, struct hub_user* user)
 {
-	sid_t sid = sid_alloc(hub->users->sids, user);
+	sid_t sid = sid_alloc(users->sids, user);
 	user->id.sid = sid;
 	return sid;
 }
diff --git a/src/core/usermanager.h b/src/core/usermanager.h
index 7cc5190..5971447 100644
--- a/src/core/usermanager.h
+++ b/src/core/usermanager.h
@@ -28,36 +28,38 @@ struct hub_user_manager
 	uint64_t shared_size;           /**<< "The total number of shared bytes among fully connected users." */
 	uint64_t shared_files;          /**<< "The total number of shared files among fully connected users." */
 	struct linked_list* list;       /**<< "Contains all logged in users" */
+#ifdef STATS_SUPPORT
 	struct timeout_evt* timeout;    /**<< "Timeout handler for statistics" */
+#endif
 };
 
 /**
  * Initializes the user manager.
  * @return 0 on success, or -1 if error (out of memory).
  */
-extern int uman_init(struct hub_info* hub);
+extern struct hub_user_manager* uman_init();
 
 /**
  * Shuts down the user manager.
  * All users will be disconnected and deleted as part of this.
  *
- * @return 0 on success, or -1 in an error occured (hub is invalid).
+ * @return 0 on success, or -1 in an error occured (invalid pointer).
  */
-extern int uman_shutdown(struct hub_info* hub);
+extern int uman_shutdown(struct hub_user_manager* users);
 
 /**
  * Generate statistics for logfiles.
  */
-extern void uman_update_stats(struct hub_info* hub);
-extern void uman_print_stats(struct hub_info* hub);
+extern void uman_update_stats(struct hub_user_manager* users);
+extern void uman_print_stats(struct hub_user_manager* users);
 
 /**
  * Add a user to the user manager.
  *
- * @param hub The hub to add the user to
+ * @param users The usermanager to add the user to
  * @param user The user to be added to the hub.
  */
-extern int uman_add(struct hub_info* hub, struct hub_user* user);
+extern int uman_add(struct hub_user_manager* users, struct hub_user* user);
 
 /**
  * Remove a user from the user manager.
@@ -66,12 +68,12 @@ extern int uman_add(struct hub_info* hub, struct hub_user* user);
  *
  * @return 0 if successfully removed, -1 if error.
  */
-extern int uman_remove(struct hub_info* hub, struct hub_user* user);
+extern int uman_remove(struct hub_user_manager* users, struct hub_user* user);
 
 /**
  * Returns and allocates an unused session ID (SID).
  */
-extern sid_t uman_get_free_sid(struct hub_info* hub, struct hub_user* user);
+extern sid_t uman_get_free_sid(struct hub_user_manager* users, struct hub_user* user);
 
 /**
  * Lookup a user based on the session ID (SID).
@@ -86,26 +88,28 @@ extern sid_t uman_get_free_sid(struct hub_info* hub, struct hub_user* user);
  *
  * @return a user if found, or NULL if not found
  */
-extern struct hub_user* uman_get_user_by_sid(struct hub_info* hub, sid_t sid);
+extern struct hub_user* uman_get_user_by_sid(struct hub_user_manager* users, sid_t sid);
 
 /**
  * Lookup a user based on the client ID (CID).
  * @return a user if found, or NULL if not found
  */
-extern struct hub_user* uman_get_user_by_cid(struct hub_info* hub, const char* cid);
+extern struct hub_user* uman_get_user_by_cid(struct hub_user_manager* users, const char* cid);
 
 /**
  * Lookup a user based on the nick name.
  * @return a user if found, or NULL if not found
  */
-extern struct hub_user* uman_get_user_by_nick(struct hub_info* hub, const char* nick);
+extern struct hub_user* uman_get_user_by_nick(struct hub_user_manager* users, const char* nick);
 
 /**
  * Lookup users based on an ip address range.
  *
+ * @param[out] target the list of users matching the address
+ * @param range the IP range of users to match
  * @return The number of users matching the addressess, or -1 on error (mask is wrong).
  */
-extern size_t uman_get_user_by_addr(struct hub_info* hub, struct linked_list* users, struct ip_range* range);
+extern size_t uman_get_user_by_addr(struct hub_user_manager* users, struct linked_list* target, struct ip_range* range);
 
 /**
  * Send the user list of connected clients to 'user'.
@@ -113,13 +117,13 @@ extern size_t uman_get_user_by_addr(struct hub_info* hub, struct linked_list* us
  *
  * @return 1 if sending the user list succeeded, 0 otherwise.
  */
-extern int uman_send_user_list(struct hub_info* hub, struct hub_user* user);
+extern int uman_send_user_list(struct hub_info* hub, struct hub_user_manager* users, struct hub_user* user);
 
 /**
  * Send a quit message to all connected users when 'user' is
  * leaving the hub (for whatever reason).
  */
-extern void uman_send_quit_message(struct hub_info* hub, struct hub_user* user);
+extern void uman_send_quit_message(struct hub_info* hub, struct hub_user_manager* users, struct hub_user* user);
 
 
 #endif /* HAVE_UHUB_USER_MANAGER_H */