diff --git a/src/login/login.cpp b/src/login/login.cpp
index 8b2bd26130..2883b273cb 100644
--- a/src/login/login.cpp
+++ b/src/login/login.cpp
@@ -7,10 +7,10 @@
 #include <stdlib.h>
 #include <string.h>
 #include <string>
+#include <unordered_map>
 
 #include "../common/cli.hpp"
 #include "../common/core.hpp"
-#include "../common/db.hpp"
 #include "../common/malloc.hpp"
 #include "../common/md5calc.hpp"
 #include "../common/mmo.hpp"
@@ -20,6 +20,7 @@
 #include "../common/socket.hpp" //ip2str
 #include "../common/strlib.hpp"
 #include "../common/timer.hpp"
+#include "../common/utilities.hpp"
 #include "../common/utils.hpp"
 #include "../config/core.hpp"
 
@@ -30,14 +31,16 @@
 #include "logincnslif.hpp"
 #include "loginlog.hpp"
 
+using namespace rathena;
+
 #define LOGIN_MAX_MSG 30				/// Max number predefined in msg_conf
 static char* msg_table[LOGIN_MAX_MSG];	/// Login Server messages_conf
 
 //definition of exported var declared in .h
 struct mmo_char_server ch_server[MAX_SERVERS];	/// char server data
 struct Login_Config login_config;				/// Configuration of login-serv
-DBMap* online_db;
-DBMap* auth_db;
+std::unordered_map<uint32,struct online_login_data> online_db;
+std::unordered_map<uint32,struct auth_node> auth_db;
 
 // account database
 AccountDB* accounts = NULL;
@@ -65,20 +68,8 @@ int parse_console(const char* buf){
 	return cnslif_parse(buf);
 }
 
-/**
- * Sub function to create an online_login_data and save it to db.
- * @param key: Key of the database entry
- * @param ap: args
- * @return : Data identified by the key to be put in the database
- * @see DBCreateData
- */
-DBData login_create_online_user(DBKey key, va_list args) {
-	struct online_login_data* p;
-	CREATE(p, struct online_login_data, 1);
-	p->account_id = key.i;
-	p->char_server = -1;
-	p->waiting_disconnect = INVALID_TIMER;
-	return db_ptr2data(p);
+struct online_login_data* login_get_online_user( uint32 account_id ){
+	return util::umap_find( online_db, account_id );
 }
 
 /**
@@ -89,13 +80,24 @@ DBData login_create_online_user(DBKey key, va_list args) {
  * @return the new online_login_data for that user
  */
 struct online_login_data* login_add_online_user(int char_server, uint32 account_id){
-	struct online_login_data* p;
-	p = (struct online_login_data*)idb_ensure(online_db, account_id, login_create_online_user);
-	p->char_server = char_server;
-	if( p->waiting_disconnect != INVALID_TIMER ) {
-		delete_timer(p->waiting_disconnect, login_waiting_disconnect_timer);
+	struct online_login_data* p = login_get_online_user( account_id );
+
+	if( p == nullptr ){
+		// Allocate the player
+		p = &online_db[account_id];
+
+		p->account_id = account_id;
+		p->char_server = char_server;
 		p->waiting_disconnect = INVALID_TIMER;
+	}else{
+		p->char_server = char_server;
+
+		if( p->waiting_disconnect != INVALID_TIMER ){
+			delete_timer( p->waiting_disconnect, login_waiting_disconnect_timer );
+			p->waiting_disconnect = INVALID_TIMER;
+		}
 	}
+
 	return p;
 }
 
@@ -106,14 +108,38 @@ struct online_login_data* login_add_online_user(int char_server, uint32 account_
  * @param account_id : aid to remove from db
  */
 void login_remove_online_user(uint32 account_id) {
-	struct online_login_data* p;
-	p = (struct online_login_data*)idb_get(online_db, account_id);
-	if( p == NULL )
-		return;
-	if( p->waiting_disconnect != INVALID_TIMER )
-		delete_timer(p->waiting_disconnect, login_waiting_disconnect_timer);
+	struct online_login_data* p = login_get_online_user( account_id );
 
-	idb_remove(online_db, account_id);
+	if( p == nullptr ){
+		return;
+	}
+
+	if( p->waiting_disconnect != INVALID_TIMER ){
+		delete_timer( p->waiting_disconnect, login_waiting_disconnect_timer );
+	}
+
+	online_db.erase( account_id );
+}
+
+struct auth_node* login_get_auth_node( uint32 account_id ){
+	return util::umap_find( auth_db, account_id );
+}
+
+struct auth_node* login_add_auth_node( struct login_session_data* sd, uint32 ip ){
+	struct auth_node* node = &auth_db[sd->account_id];
+
+	node->account_id = sd->account_id;
+	node->login_id1 = sd->login_id1;
+	node->login_id2 = sd->login_id2;
+	node->sex = sd->sex;
+	node->ip = ip;
+	node->clienttype = sd->clienttype;
+
+	return node;
+}
+
+void login_remove_auth_node( uint32 account_id ){
+	auth_db.erase( account_id );
 }
 
 /**
@@ -128,51 +154,31 @@ void login_remove_online_user(uint32 account_id) {
  * @return :0
  */
 TIMER_FUNC(login_waiting_disconnect_timer){
-	struct online_login_data* p = (struct online_login_data*)idb_get(online_db, id);
-	if( p != NULL && p->waiting_disconnect == tid && p->account_id == id ){
+	struct online_login_data* p = login_get_online_user( id );
+
+	if( p != nullptr && p->waiting_disconnect == tid && p->account_id == id ){
 		p->waiting_disconnect = INVALID_TIMER;
 		login_remove_online_user(id);
-		idb_remove(auth_db, id);
+		login_remove_auth_node(id);
 	}
+
 	return 0;
 }
 
-/**
- * Sub function to apply on online_db.
- * Mark a character as offline.
- * @param data: 1 entry in the db
- * @param ap: args
- * @return : Value to be added up by the function that is applying this
- * @see DBApply
- */
-int login_online_db_setoffline(DBKey key, DBData *data, va_list ap) {
-	struct online_login_data* p = (struct online_login_data*)db_data2ptr(data);
-	int server = va_arg(ap, int);
-	if( server == -1 ) {
-		p->char_server = -1;
-		if( p->waiting_disconnect != INVALID_TIMER ) {
-			delete_timer(p->waiting_disconnect, login_waiting_disconnect_timer);
-			p->waiting_disconnect = INVALID_TIMER;
+void login_online_db_setoffline( int char_server ){
+	for( std::pair<uint32,struct online_login_data> pair : online_db ){
+		if( char_server == -1 ){
+			pair.second.char_server = -1;
+
+			if( pair.second.waiting_disconnect != INVALID_TIMER ){
+				delete_timer( pair.second.waiting_disconnect, login_waiting_disconnect_timer );
+				pair.second.waiting_disconnect = INVALID_TIMER;
+			}
+		}else if( pair.second.char_server == char_server ){
+			// Char server disconnected.
+			pair.second.char_server = -2;
 		}
 	}
-	else if( p->char_server == server )
-		p->char_server = -2; //Char server disconnected.
-	return 0;
-}
-
-/**
- * Sub function of login_online_data_cleanup.
- *  Checking if all users in db are still connected to a char-server, and remove them if they aren't.
- * @param data: 1 entry in the db
- * @param ap: args
- * @return: Value to be added up by the function that is applying this
- * @see DBApply
- */
-static int login_online_data_cleanup_sub(DBKey key, DBData *data, va_list ap) {
-	struct online_login_data *character= (struct online_login_data*)db_data2ptr(data);
-	if (character->char_server == -2) //Unknown server.. set them offline
-		login_remove_online_user(character->account_id);
-	return 0;
 }
 
 /**
@@ -185,7 +191,13 @@ static int login_online_data_cleanup_sub(DBKey key, DBData *data, va_list ap) {
  * @return : 0
  */
 static TIMER_FUNC(login_online_data_cleanup){
-	online_db->foreach(online_db, login_online_data_cleanup_sub);
+	for( std::pair<uint32,struct online_login_data> pair : online_db  ){
+		// Unknown server.. set them offline
+		if( pair.second.char_server == -2 ){
+			login_remove_online_user( pair.first );
+		}
+	}
+
 	return 0;
 }
 
@@ -778,8 +790,8 @@ void do_final(void) {
 	}
 
 	accounts = NULL; // destroyed in account_engine
-	online_db->destroy(online_db, NULL);
-	auth_db->destroy(auth_db, NULL);
+	online_db.clear();
+	auth_db.clear();
 
 	do_final_loginchrif();
 
@@ -858,13 +870,8 @@ int do_init(int argc, char** argv) {
 	// initialize static and dynamic ipban system
 	ipban_init();
 
-	// Online user database init
-	online_db = idb_alloc(DB_OPT_RELEASE_DATA);
 	add_timer_func_list(login_waiting_disconnect_timer, "waiting_disconnect_timer");
 
-	// Interserver auth init
-	auth_db = idb_alloc(DB_OPT_RELEASE_DATA);
-
 	// set default parser as parse_login function
 	set_defaultparse(logclif_parse);
 
diff --git a/src/login/login.hpp b/src/login/login.hpp
index e40273a609..8ba3ccc8af 100644
--- a/src/login/login.hpp
+++ b/src/login/login.hpp
@@ -129,7 +129,6 @@ struct online_login_data {
 	int waiting_disconnect;
 	int char_server;
 };
-extern DBMap* online_db; // uint32 account_id -> struct online_login_data*
 
 /// Auth database
 #define AUTH_TIMEOUT 30000
@@ -141,19 +140,11 @@ struct auth_node {
 	char sex;
 	uint8 clienttype;
 };
-extern DBMap* auth_db; // uint32 account_id -> struct auth_node*
 
 ///Accessors
 AccountDB* login_get_accounts_db(void);
 
-/**
- * Sub function to create an online_login_data and save it to db.
- * @param key: Key of the database entry
- * @param ap: args
- * @return : Data identified by the key to be put in the database
- * @see DBCreateData
- */
-DBData login_create_online_user(DBKey key, va_list args);
+struct online_login_data* login_get_online_user( uint32 account_id );
 
 /**
  * Function to add a user in online_db.
@@ -172,6 +163,12 @@ struct online_login_data* login_add_online_user(int char_server, uint32 account_
  */
 void login_remove_online_user(uint32 account_id);
 
+struct auth_node* login_get_auth_node( uint32 account_id );
+
+struct auth_node* login_add_auth_node( struct login_session_data* sd, uint32 ip );
+
+void login_remove_auth_node( uint32 account_id );
+
 /**
  * Timered function to disconnect a user from login.
  *  This is done either after auth_ok or kicked by char-server.
@@ -185,15 +182,7 @@ void login_remove_online_user(uint32 account_id);
  */
 TIMER_FUNC(login_waiting_disconnect_timer);
 
-/**
- * Sub function to apply on online_db.
- * Mark a character as offline.
- * @param data: 1 entry in the db
- * @param ap: args
- * @return : Value to be added up by the function that is applying this
- * @see DBApply
- */
-int login_online_db_setoffline(DBKey key, DBData *data, va_list ap);
+void login_online_db_setoffline( int char_server );
 
 /**
  * Test to determine if an IP come from LAN or WAN.
diff --git a/src/login/loginchrif.cpp b/src/login/loginchrif.cpp
index e2266cf35a..7152bd1947 100644
--- a/src/login/loginchrif.cpp
+++ b/src/login/loginchrif.cpp
@@ -73,7 +73,6 @@ int logchrif_parse_reqauth(int fd, int id,char* ip){
 	if( RFIFOREST(fd) < 23 )
 		return 0;
 	else{
-		struct auth_node* node;
 		uint32 account_id = RFIFOL(fd,2);
 		uint32 login_id1 = RFIFOL(fd,6);
 		uint32 login_id2 = RFIFOL(fd,10);
@@ -82,9 +81,10 @@ int logchrif_parse_reqauth(int fd, int id,char* ip){
 		int request_id = RFIFOL(fd,19);
 		RFIFOSKIP(fd,23);
 
-		node = (struct auth_node*)idb_get(auth_db, account_id);
+		struct auth_node* node = login_get_auth_node( account_id );
+
 		if( runflag == LOGINSERVER_ST_RUNNING &&
-			node != NULL &&
+			node != nullptr &&
 			node->account_id == account_id &&
 			node->login_id1  == login_id1 &&
 			node->login_id2  == login_id2 &&
@@ -105,7 +105,7 @@ int logchrif_parse_reqauth(int fd, int id,char* ip){
 			WFIFOSET(fd,21);
 
 			// each auth entry can only be used once
-			idb_remove(auth_db, account_id);
+			login_remove_auth_node( account_id );
 		}else{// authentication not found
 			ShowStatus("Char-server '%s': authentication of the account %d REFUSED (ip: %s).\n", ch_server[id].name, account_id, ip);
 			WFIFOHEAD(fd,21);
@@ -529,17 +529,13 @@ int logchrif_parse_updonlinedb(int fd, int id){
 	if (RFIFOREST(fd) < 4 || RFIFOREST(fd) < RFIFOW(fd,2))
 		return 0;
 	else{
-		uint32 i, users;
-		online_db->foreach(online_db, login_online_db_setoffline, id); //Set all chars from this char-server offline first
-		users = RFIFOW(fd,4);
-		for (i = 0; i < users; i++) {
-			int aid = RFIFOL(fd,6+i*4);
-			struct online_login_data *p = (struct online_login_data*)idb_ensure(online_db, aid, login_create_online_user);
-			p->char_server = id;
-			if (p->waiting_disconnect != INVALID_TIMER){
-				delete_timer(p->waiting_disconnect, login_waiting_disconnect_timer);
-				p->waiting_disconnect = INVALID_TIMER;
-			}
+		//Set all chars from this char-server offline first
+		login_online_db_setoffline( id );
+
+		for( uint32 i = 0, users = RFIFOW(fd, 4); i < users; i++) {
+			uint32 aid = RFIFOL(fd,6+i*4);
+
+			login_add_online_user( id, aid );
 		}
 		RFIFOSKIP(fd,RFIFOW(fd,2));
 	}
@@ -588,7 +584,7 @@ int logchrif_parse_updcharip(int fd, int id){
  */
 int logchrif_parse_setalloffline(int fd, int id){
 	ShowInfo("Setting accounts from char-server %d offline.\n", id);
-	online_db->foreach(online_db, login_online_db_setoffline, id);
+	login_online_db_setoffline( id );
 	RFIFOSKIP(fd,2);
 	return 1;
 }
@@ -628,12 +624,11 @@ int logchrif_parse_pincode_authfail(int fd){
 		struct mmo_account acc;
 		AccountDB* accounts = login_get_accounts_db();
 		if( accounts->load_num(accounts, &acc, RFIFOL(fd,2) ) ){
-			struct online_login_data* ld;
+			struct online_login_data* ld = login_get_online_user( acc.account_id );
 
-			ld = (struct online_login_data*)idb_get(online_db,acc.account_id);
-
-			if( ld == NULL )
+			if( ld == nullptr ){
 				return 0;
+			}
 
 			login_log( host2ip(acc.last_ip), acc.userid, 100, "PIN Code check failed" );
 		}
@@ -850,7 +845,7 @@ void logchrif_server_destroy(int id){
  * @param id: id of char-serv (should be >0, FIXME)
  */
 void logchrif_server_reset(int id) {
-	online_db->foreach(online_db, login_online_db_setoffline, id); //Set all chars from this char server to offline.
+	login_online_db_setoffline(id); //Set all chars from this char server to offline.
 	logchrif_server_destroy(id);
 	logchrif_server_init(id);
 }
diff --git a/src/login/loginclif.cpp b/src/login/loginclif.cpp
index 13ffac0e6f..5eb00a4154 100644
--- a/src/login/loginclif.cpp
+++ b/src/login/loginclif.cpp
@@ -47,7 +47,6 @@ static void logclif_auth_ok(struct login_session_data* sd) {
 
 	uint8 server_num, n;
 	uint32 subnet_char_ip;
-	struct auth_node* node;
 	int i;
 
 #if PACKETVER < 20170315
@@ -89,7 +88,8 @@ static void logclif_auth_ok(struct login_session_data* sd) {
 	}
 
 	{
-		struct online_login_data* data = (struct online_login_data*)idb_get(online_db, sd->account_id);
+		struct online_login_data* data = login_get_online_user( sd->account_id );
+
 		if( data )
 		{// account is already marked as online!
 			if( data->char_server > -1 )
@@ -108,7 +108,7 @@ static void logclif_auth_ok(struct login_session_data* sd) {
 			if( data->char_server == -1 )
 			{// client has authed but did not access char-server yet
 				// wipe previous session
-				idb_remove(auth_db, sd->account_id);
+				login_remove_auth_node(sd->account_id);
 				login_remove_online_user(sd->account_id);
 				data = NULL;
 			}
@@ -150,21 +150,12 @@ static void logclif_auth_ok(struct login_session_data* sd) {
 	WFIFOSET(fd,header+size*server_num);
 
 	// create temporary auth entry
-	CREATE(node, struct auth_node, 1);
-	node->account_id = sd->account_id;
-	node->login_id1 = sd->login_id1;
-	node->login_id2 = sd->login_id2;
-	node->sex = sd->sex;
-	node->ip = ip;
-	node->clienttype = sd->clienttype;
-	idb_put(auth_db, sd->account_id, node);
-	{
-		struct online_login_data* data;
-		// mark client as 'online'
-		data = login_add_online_user(-1, sd->account_id);
-		// schedule deletion of this node
-		data->waiting_disconnect = add_timer(gettick()+AUTH_TIMEOUT, login_waiting_disconnect_timer, sd->account_id, 0);
-	}
+	login_add_auth_node( sd, ip );
+
+	// mark client as 'online'
+	struct online_login_data* data = login_add_online_user(-1, sd->account_id);
+	// schedule deletion of this node
+	data->waiting_disconnect = add_timer(gettick()+AUTH_TIMEOUT, login_waiting_disconnect_timer, sd->account_id, 0);
 }
 
 /**
diff --git a/src/login/logincnslif.cpp b/src/login/logincnslif.cpp
index 4b931c8abc..b4da39f344 100644
--- a/src/login/logincnslif.cpp
+++ b/src/login/logincnslif.cpp
@@ -7,7 +7,6 @@
 #include <string.h>
 
 #include "../common/cli.hpp"
-#include "../common/ers.hpp"
 #include "../common/md5calc.hpp"
 #include "../common/mmo.hpp" //cbasetype + NAME_LENGTH
 #include "../common/showmsg.hpp" //show notice
@@ -143,15 +142,11 @@ int cnslif_parse(const char* buf){
 			ShowStatus("Console: Account '%s' created successfully.\n", username);
 		}
 	}
-	else if( strcmpi("ers_report", type) == 0 ){
-		ers_report();
-	}
 	else if( strcmpi("help", type) == 0 ){
 		ShowInfo("Available commands:\n");
 		ShowInfo("\t server:shutdown => Stops the server.\n");
 		ShowInfo("\t server:alive => Checks if the server is running.\n");
 		ShowInfo("\t server:reloadconf => Reload config file: \"%s\"\n", login_config.loginconf_name);
-		ShowInfo("\t ers_report => Displays database usage.\n");
 		ShowInfo("\t create:<username> <password> <sex:M|F> => Creates a new account.\n");
 	}
 	return 1;