diff --git a/src/game/ani.cpp b/src/game/ani.cpp
index 5720c1b..6bb8e3a 100644
--- a/src/game/ani.cpp
+++ b/src/game/ani.cpp
@@ -11,7 +11,6 @@
 #include "char.h"
 #include "item.h"
 #include "ani.h"
-#include "dev_log.h"
 
 const char* FN_race_name(int race)
 {
@@ -200,7 +199,7 @@ bool ANI::load_one_race(int race, const char *dir_name)
 
 	for (int weapon = WEAPON_SWORD; weapon < WEAPON_NUM_TYPES; ++weapon)
 	{
-		dev_log(LOG_DEB0, "ANI (%s,%s)", FN_race_name(race), FN_weapon_type(weapon));
+		sys_log(1, "ANI (%s,%s)", FN_race_name(race), FN_weapon_type(weapon));
 
 		for (BYTE combo = 1; combo <= 8; ++combo)
 		{
@@ -212,11 +211,11 @@ bool ANI::load_one_race(int race, const char *dir_name)
 			m_speed[race][1][weapon][combo] = load_one_weapon(dir_name, weapon, combo, true);
 			m_speed[race][1][weapon][0] = MIN(m_speed[race][1][weapon][0], m_speed[race][1][weapon][combo]); // 최소값
 
-			dev_log(LOG_DEB0, "combo%02d speed=%d horse=%d",
+			sys_log(1, "combo%02d speed=%d horse=%d",
 					combo, m_speed[race][0][weapon][combo], m_speed[race][1][weapon][combo]);
 		}
 
-		dev_log(LOG_DEB0, "minspeed=%u", m_speed[race][0][weapon][0]);
+		sys_log(1, "minspeed=%u", m_speed[race][0][weapon][0]);
 	}
 
 	return true;
@@ -331,7 +330,7 @@ DWORD ani_attack_speed(LPCHARACTER ch)
 	int weapon = item->GetSubType();
 
 	/*
-	dev_log(LOG_DEB0, "%s : (race,weapon) = (%s,%s) POINT_ATT_SPEED = %d",
+	sys_log(1, "%s : (race,weapon) = (%s,%s) POINT_ATT_SPEED = %d",
 			ch->GetName(),
 			FN_race_name(race),
 			FN_weapon_type(weapon),
diff --git a/src/game/blend_item.cpp b/src/game/blend_item.cpp
index 094b9da..e01d5a0 100644
--- a/src/game/blend_item.cpp
+++ b/src/game/blend_item.cpp
@@ -10,7 +10,6 @@
 #include "stdafx.h"
 #include "constants.h"
 #include "log.h"
-#include "dev_log.h"
 #include "locale_service.h"
 #include "item.h"
 #include "blend_item.h"
diff --git a/src/game/char.cpp b/src/game/char.cpp
index 16546ff..769b292 100644
--- a/src/game/char.cpp
+++ b/src/game/char.cpp
@@ -46,7 +46,6 @@
 #include "monarch.h"
 #include "castle.h"
 #include "arena.h"
-#include "dev_log.h"
 #include "horsename_manager.h"
 #include "gm.h"
 #include "map_location.h"
@@ -3153,17 +3152,17 @@ void CHARACTER::PointChange(BYTE type, int amount, bool bAmount, bool bBroadcast
 				{
 					if (IsOverTime(OT_NONE))
 					{
-						dev_log(LOG_DEB0, "<EXP_LOG> %s = NONE", GetName());
+						sys_log(1, "<EXP_LOG> %s = NONE", GetName());
 					}
 					else if (IsOverTime(OT_3HOUR))
 					{
 						amount = (amount / 2);
-						dev_log(LOG_DEB0, "<EXP_LOG> %s = 3HOUR", GetName());
+						sys_log(1, "<EXP_LOG> %s = 3HOUR", GetName());
 					}
 					else if (IsOverTime(OT_5HOUR))
 					{
 						amount = 0;
-						dev_log(LOG_DEB0, "<EXP_LOG> %s = 5HOUR", GetName());
+						sys_log(1, "<EXP_LOG> %s = 5HOUR", GetName());
 					}
 				}
 
@@ -3445,17 +3444,17 @@ void CHARACTER::PointChange(BYTE type, int amount, bool bAmount, bool bBroadcast
 				{
 					if (IsOverTime(OT_NONE))
 					{
-						dev_log(LOG_DEB0, "<GOLD_LOG> %s = NONE", GetName());
+						sys_log(1, "<GOLD_LOG> %s = NONE", GetName());
 					}
 					else if (IsOverTime(OT_3HOUR))
 					{
 						amount = (amount / 2);
-						dev_log(LOG_DEB0, "<GOLD_LOG> %s = 3HOUR", GetName());
+						sys_log(1, "<GOLD_LOG> %s = 3HOUR", GetName());
 					}
 					else if (IsOverTime(OT_5HOUR))
 					{
 						amount = 0;
-						dev_log(LOG_DEB0, "<GOLD_LOG> %s = 5HOUR", GetName());
+						sys_log(1, "<GOLD_LOG> %s = 5HOUR", GetName());
 					}
 				}
 
diff --git a/src/game/char_battle.cpp b/src/game/char_battle.cpp
index 5579d67..ff71254 100644
--- a/src/game/char_battle.cpp
+++ b/src/game/char_battle.cpp
@@ -26,7 +26,6 @@
 #include "exchange.h"
 #include "shop_manager.h"
 #include "castle.h"
-#include "dev_log.h"
 #include "ani.h"
 #include "BattleArena.h"
 #include "packet.h"
diff --git a/src/game/char_item.cpp b/src/game/char_item.cpp
index 99b00e1..09a0c2d 100644
--- a/src/game/char_item.cpp
+++ b/src/game/char_item.cpp
@@ -34,7 +34,6 @@
 #include "castle.h"
 #include "BattleArena.h"
 #include "arena.h"
-#include "dev_log.h"
 #include "threeway_war.h"
 
 #include "safebox.h"
diff --git a/src/game/cmd_general.cpp b/src/game/cmd_general.cpp
index e4856f9..1b94630 100644
--- a/src/game/cmd_general.cpp
+++ b/src/game/cmd_general.cpp
@@ -22,7 +22,6 @@
 #include "item_manager.h"
 #include "monarch.h"
 #include "mob_manager.h"
-#include "dev_log.h"
 #include "item.h"
 #include "arena.h"
 #include "buffer_manager.h"
@@ -2179,7 +2178,7 @@ ACMD(do_cube)
 	if (!ch->CanDoCube())
 		return;
 
-	dev_log(LOG_DEB0, "CUBE COMMAND <%s>: %s", ch->GetName(), argument);
+	sys_log(1, "CUBE COMMAND <%s>: %s", ch->GetName(), argument);
 	int cube_index = 0, inven_index = 0;
 	const char *line;
 
@@ -2272,7 +2271,7 @@ ACMD(do_cube)
 			if (0 != arg2[0])
 			{
 				while (true == Cube_make(ch))
-					dev_log (LOG_DEB0, "cube make success");
+					sys_log(1, "cube make success");
 			}
 			else
 				Cube_make(ch);
@@ -2431,7 +2430,7 @@ ACMD(do_click_mall)
 
 ACMD(do_ride)
 {
-    dev_log(LOG_DEB0, "[DO_RIDE] start");
+	sys_log(1, "[DO_RIDE] start");
     if (ch->IsDead() || ch->IsStun())
 	return;
 
@@ -2439,14 +2438,14 @@ ACMD(do_ride)
     {
 	if (ch->IsHorseRiding())
 	{
-	    dev_log(LOG_DEB0, "[DO_RIDE] stop riding");
+		sys_log(1, "[DO_RIDE] stop riding");
 	    ch->StopRiding(); 
 	    return;
 	}
 
 	if (ch->GetMountVnum())
 	{
-	    dev_log(LOG_DEB0, "[DO_RIDE] unmount");
+		sys_log(1, "[DO_RIDE] unmount");
 	    do_unmount(ch, NULL, 0, 0);
 	    return;
 	}
@@ -2456,7 +2455,7 @@ ACMD(do_ride)
     {
 	if (ch->GetHorse() != NULL)
 	{
-	    dev_log(LOG_DEB0, "[DO_RIDE] start riding");
+		sys_log(1, "[DO_RIDE] start riding");
 	    ch->StartRiding();
 	    return;
 	}
@@ -2472,7 +2471,7 @@ ACMD(do_ride)
 		{
 			if (NULL==ch->GetWear(WEAR_UNIQUE1) || NULL==ch->GetWear(WEAR_UNIQUE2))
 			{
-				dev_log(LOG_DEB0, "[DO_RIDE] USE UNIQUE ITEM");
+				sys_log(1, "[DO_RIDE] USE UNIQUE ITEM");
 				//ch->EquipItem(item);
 				ch->UseItem(TItemPos (INVENTORY, i));
 				return;
@@ -2487,14 +2486,14 @@ ACMD(do_ride)
 		case 71116:	// 산견신이용권
 		case 71118:	// 투지범이용권
 		case 71120:	// 사자왕이용권
-		    dev_log(LOG_DEB0, "[DO_RIDE] USE QUEST ITEM");
+			sys_log(1, "[DO_RIDE] USE QUEST ITEM");
 		    ch->UseItem(TItemPos (INVENTORY, i));
 		    return;
 	    }
 
 		// GF mantis #113524, 52001~52090 번 탈것
 		if( (item->GetVnum() > 52000) && (item->GetVnum() < 52091) )	{
-			dev_log(LOG_DEB0, "[DO_RIDE] USE QUEST ITEM");
+			sys_log(1, "[DO_RIDE] USE QUEST ITEM");
 			ch->UseItem(TItemPos (INVENTORY, i));
 		    return;
 		}
diff --git a/src/game/config.cpp b/src/game/config.cpp
index 7c00da0..cf02571 100644
--- a/src/game/config.cpp
+++ b/src/game/config.cpp
@@ -15,7 +15,6 @@
 #include "war_map.h"
 #include "locale_service.h"
 #include "config.h"
-#include "dev_log.h"
 #include "db.h"
 #include "skill_power.h"
 
@@ -199,11 +198,11 @@ static void FN_log_adminpage()
 
 	while (iter != g_stAdminPageIP.end())
 	{
-		dev_log(LOG_DEB0, "ADMIN_PAGE_IP = %s", (*iter).c_str());
+		sys_log(1, "ADMIN_PAGE_IP = %s", (*iter).c_str());
 		++iter;
 	}
 
-	dev_log(LOG_DEB0, "ADMIN_PAGE_PASSWORD = %s", g_stAdminPagePassword.c_str());
+	sys_log(1, "ADMIN_PAGE_PASSWORD = %s", g_stAdminPagePassword.c_str());
 }
 
 
diff --git a/src/game/cube.cpp b/src/game/cube.cpp
index c2378dd..9eb500d 100644
--- a/src/game/cube.cpp
+++ b/src/game/cube.cpp
@@ -12,7 +12,6 @@
 #include "utils.h"
 #include "log.h"
 #include "char.h"
-#include "dev_log.h"
 #include "locale_service.h"
 #include "item.h"
 #include "item_manager.h"
@@ -298,7 +297,7 @@ void Cube_open (LPCHARACTER ch)
 	if (NULL==npc)
 	{
 		if (test_server)
-			dev_log(LOG_DEB0, "cube_npc is NULL");
+			sys_log(1, "cube_npc is NULL");
 		return;
 	}
 
@@ -306,7 +305,7 @@ void Cube_open (LPCHARACTER ch)
 	{
 		if ( test_server == true )
 		{
-			dev_log(LOG_DEB0, "cube not valid NPC");
+			sys_log(1, "cube not valid NPC");
 		}
 		return;
 	}
@@ -343,7 +342,7 @@ void Cube_close (LPCHARACTER ch)
 	Cube_clean_item(ch);
 	ch->SetCubeNpc(NULL);
 	ch->ChatPacket(CHAT_TYPE_COMMAND, "cube close");
-	dev_log(LOG_DEB0, "<CUBE> close (%s)", ch->GetName());
+	sys_log(1, "<CUBE> close (%s)", ch->GetName());
 }
 
 void Cube_init()
@@ -439,7 +438,7 @@ bool Cube_load (const char *file)
 			// TODO : check cube data
 			if (false == FN_check_cube_data(cube_data))
 			{
-				dev_log(LOG_DEB0, "something wrong");
+				sys_log(1, "something wrong");
 				M2_DELETE(cube_data);
 				continue;
 			}
@@ -454,23 +453,23 @@ bool Cube_load (const char *file)
 static void FN_cube_print (CUBE_DATA *data, DWORD index)
 {
 	DWORD	i;
-	dev_log(LOG_DEB0, "--------------------------------");
-	dev_log(LOG_DEB0, "CUBE_DATA[%d]", index);
+	sys_log(1, "--------------------------------");
+	sys_log(1, "CUBE_DATA[%d]", index);
 
 	for (i=0; i<data->npc_vnum.size(); ++i)
 	{
-		dev_log(LOG_DEB0, "\tNPC_VNUM[%d] = %d", i, data->npc_vnum[i]);
+		sys_log(1, "\tNPC_VNUM[%d] = %d", i, data->npc_vnum[i]);
 	}
 	for (i=0; i<data->item.size(); ++i)
 	{
-		dev_log(LOG_DEB0, "\tITEM[%d]   = (%d, %d)", i, data->item[i].vnum, data->item[i].count);
+		sys_log(1, "\tITEM[%d]   = (%d, %d)", i, data->item[i].vnum, data->item[i].count);
 	}
 	for (i=0; i<data->reward.size(); ++i)
 	{
-		dev_log(LOG_DEB0, "\tREWARD[%d] = (%d, %d)", i, data->reward[i].vnum, data->reward[i].count);
+		sys_log(1, "\tREWARD[%d] = (%d, %d)", i, data->reward[i].vnum, data->reward[i].count);
 	}
-	dev_log(LOG_DEB0, "\tPERCENT = %d", data->percent);
-	dev_log(LOG_DEB0, "--------------------------------");
+	sys_log(1, "\tPERCENT = %d", data->percent);
+	sys_log(1, "--------------------------------");
 }
 
 void Cube_print ()
diff --git a/src/game/desc_manager.cpp b/src/game/desc_manager.cpp
index ed55d64..bf4fbf2 100644
--- a/src/game/desc_manager.cpp
+++ b/src/game/desc_manager.cpp
@@ -10,7 +10,6 @@
 #include "protocol.h"
 #include "messenger_manager.h"
 #include "p2p.h"
-#include "dev_log.h"
 #include "ClientPackageCryptInfo.h"
 
 DESC_MANAGER::DESC_MANAGER() : m_bDestroyed(false)
@@ -168,13 +167,13 @@ LPDESC DESC_MANAGER::AcceptP2PDesc(LPFDWATCH fdw, socket_t bind_fd)
 
 void DESC_MANAGER::ConnectAccount(const std::string& login, LPDESC d)
 {
-dev_log(LOG_DEB0, "BBBB ConnectAccount(%s)", login.c_str());
+	sys_log(1, "BBBB ConnectAccount(%s)", login.c_str());
 	m_map_loginName.insert(DESC_LOGINNAME_MAP::value_type(login,d));
 }
 
 void DESC_MANAGER::DisconnectAccount(const std::string& login)
 {
-dev_log(LOG_DEB0, "BBBB DisConnectAccount(%s)", login.c_str());
+	sys_log(1, "BBBB DisConnectAccount(%s)", login.c_str());
 	m_map_loginName.erase(login);
 }
 
diff --git a/src/game/dev_log.cpp b/src/game/dev_log.cpp
deleted file mode 100644
index 274dfd8..0000000
--- a/src/game/dev_log.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-/*********************************************************************
- * date        : 2006.09.07
- * file        : dev_log.cpp
- * author      : mhh
- * description : 
- */
-
-#define _dev_log_cpp_
-
-#include "stdafx.h"
-#include "dev_log.h"
-
-#ifndef IS_SET
-#	define IS_SET(flag,bit)		((flag) & (bit))
-#endif	// IS_SET
-
-#ifndef SET_BIT
-#	define SET_BIT(var,bit)		((var) |= (bit))
-#endif	// SET_BIT
-
-#ifndef REMOVE_BIT
-#	define REMOVE_BIT(var,bit)		((var) &= ~(bit))
-#endif	// REMOVE_BIT
-
-#ifndef TOGGLE_BIT
-#	define TOGGLE_BIT(var,bit)		((var) = (var) ^ (bit))
-#endif	// TOGGLE_BIT
-
-extern int test_server;
-static int	s_log_mask = 0xffffffff;
-
-void dev_log(const char *file, int line, const char *function, int level, const char *fmt, ...)
-{
-	// 테스트 서버에서만 남기며, 마스크가 꺼져있으면 남기지 않는다.
-	if (!test_server || !IS_SET(s_log_mask, level))
-		return;
-
-	static char	buf[1024*1024];	// 1M
-	int			fd;
-    char        strtime[64+1];
-    const char        *strlevel;
-    struct      timeval tv;
-    struct      tm      ltm;
-    int         mon, day, hour, min, sec, usec;
-    int         nlen;
-    va_list     args;
-
-	// ---------------------------------------
-	// open file
-	// ---------------------------------------
-#ifndef OS_WINDOWS
-	fd = ::open("DEV_LOG.log", O_WRONLY|O_APPEND|O_CREAT, 0666);
-#else
-	fd = ::_open("DEV_LOG.log", _O_WRONLY|_O_APPEND|_O_CREAT, 0666);
-#endif
-
-	if (fd < 0)
-		return;
-
-    // ---------------------------------------
-    // set time string
-    // ---------------------------------------
-    gettimeofday (&tv, NULL);
-
-    localtime_r((time_t*) &tv.tv_sec, &ltm);
-
-    mon         = ltm.tm_mon + 1;
-    day         = ltm.tm_mday;
-    hour        = ltm.tm_hour;
-    min         = ltm.tm_min;
-    sec         = ltm.tm_sec;
-    usec        = tv.tv_usec;
-
-	nlen = snprintf(strtime, sizeof(strtime), "%02d%02d %02d:%02d.%02d.%06d", mon, day, hour, min, sec, usec);
-
-	if (nlen < 0 || nlen >= (int) sizeof(strtime))
-		nlen = sizeof(strtime) - 1;
-
-	strtime[nlen - 2] = '\0';
-
-    // ---------------------------------------
-    // get level string
-    // ---------------------------------------
-#define GET_LEVEL_STRING(level) case L_##level : strlevel = #level; break
-    switch ( level ) {
-        GET_LEVEL_STRING ( WARN );
-        GET_LEVEL_STRING ( ERR );
-        GET_LEVEL_STRING ( CRIT );
-        GET_LEVEL_STRING ( INFO );
-
-        GET_LEVEL_STRING ( MIN );
-        GET_LEVEL_STRING ( MAX );
-
-        GET_LEVEL_STRING ( LIB0 );
-        GET_LEVEL_STRING ( LIB1 );
-        GET_LEVEL_STRING ( LIB2 );
-        GET_LEVEL_STRING ( LIB3 );
-
-        GET_LEVEL_STRING ( DEB0 );
-        GET_LEVEL_STRING ( DEB1 );
-        GET_LEVEL_STRING ( DEB2 );
-        GET_LEVEL_STRING ( DEB3 );
-
-        GET_LEVEL_STRING ( USR0 );
-        GET_LEVEL_STRING ( USR1 );
-        GET_LEVEL_STRING ( USR2 );
-        GET_LEVEL_STRING ( USR3 );
-
-        default : strlevel = "UNKNOWN"; break;
-    }
-#undef GET_LEVEL_STRING
-
-	nlen = snprintf(buf, sizeof(buf), "%s %-4s (%-15s,%4d,%-24s) ",
-			strtime, strlevel, file, line, function);
-
-	if (nlen < 0 || nlen >= (int) sizeof(buf))
-		return;
-
-	// ---------------------------------------
-	// write_log
-	// ---------------------------------------
-	va_start(args, fmt);
-	int vlen = vsnprintf(buf + nlen, sizeof(buf) - (nlen + 2), fmt, args);
-	va_end(args);
-
-	if (vlen < 0 || vlen >= (int) sizeof(buf) - (nlen + 2))
-		nlen += (sizeof(buf) - (nlen + 2)) - 1;
-	else
-		nlen += vlen;
-
-	buf[nlen++] = '\n';
-	buf[nlen] = 0;
-
-	::write(fd, buf, nlen);
-	::close(fd);
-}
-
-void dev_log_add_level(int level)
-{
-	SET_BIT(s_log_mask, level);
-}
-
-void dev_log_del_level(int level)
-{
-	REMOVE_BIT(s_log_mask, level);
-}
-
-void dev_log_set_level(int mask)
-{
-	s_log_mask = mask;
-}
-
diff --git a/src/game/dev_log.h b/src/game/dev_log.h
deleted file mode 100644
index a4e5afc..0000000
--- a/src/game/dev_log.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*********************************************************************
- * date        : 2006.09.07
- * file        : dev_log.h
- * author      : mhh
- * description : 개발자용 로그함수 테스트 서버에서만 기록된다.
- *				example)
- *				dev_log(LOG_DEB0, "My Name is %s", name);
- */
-
-#ifndef _dev_log_h_
-#define _dev_log_h_
-
-
-// -----------------------------------------------
-// define log level
-// -----------------------------------------------
-#define L_WARN  (1<<1)
-#define L_ERR   (1<<2)
-#define L_CRIT  (1<<3)
-#define L_INFO  (1<<4)
-
-#define L_MIN   (1<<5)
-#define L_MAX   (1<<6)
-
-#define L_LIB0  (1<<7)
-#define L_LIB1  (1<<8)
-#define L_LIB2  (1<<9)
-#define L_LIB3  (1<<10)
-
-#define L_DEB0  (1<<11)
-#define L_DEB1  (1<<12)
-#define L_DEB2  (1<<13)
-#define L_DEB3  (1<<14)
-
-
-#define L_USR0  (1<<15)
-#define L_USR1  (1<<16)
-#define L_USR2  (1<<17)
-#define L_USR3  (1<<18)
-
-
-// -----------------------------------------------
-// define log level
-// -----------------------------------------------
-#define LOG_WARN        __FILE__,__LINE__,__FUNCTION__,L_WARN
-#define LOG_ERR         __FILE__,__LINE__,__FUNCTION__,L_ERR
-#define LOG_CRIT        __FILE__,__LINE__,__FUNCTION__,L_CRIT
-#define LOG_INFO        __FILE__,__LINE__,__FUNCTION__,L_INFO
-
-#define LOG_MIN         __FILE__,__LINE__,__FUNCTION__,L_MIN
-#define LOG_MAX         __FILE__,__LINE__,__FUNCTION__,L_MAX
-
-#define LOG_LIB0        __FILE__,__LINE__,__FUNCTION__,L_LIB0
-#define LOG_LIB1        __FILE__,__LINE__,__FUNCTION__,L_LIB1
-#define LOG_LIB2        __FILE__,__LINE__,__FUNCTION__,L_LIB2
-#define LOG_LIB3        __FILE__,__LINE__,__FUNCTION__,L_LIB3
-
-#define LOG_DEB0        __FILE__,__LINE__,__FUNCTION__,L_DEB0
-#define LOG_DEB1        __FILE__,__LINE__,__FUNCTION__,L_DEB1
-#define LOG_DEB2        __FILE__,__LINE__,__FUNCTION__,L_DEB2
-#define LOG_DEB3        __FILE__,__LINE__,__FUNCTION__,L_DEB3
-
-
-#define LOG_USR0        __FILE__,__LINE__,__FUNCTION__,L_USR0
-#define LOG_USR1        __FILE__,__LINE__,__FUNCTION__,L_USR1
-#define LOG_USR2        __FILE__,__LINE__,__FUNCTION__,L_USR2
-#define LOG_USR3        __FILE__,__LINE__,__FUNCTION__,L_USR3
-
-
-
-
-void dev_log(const char *file, int line, const char *function, int level, const char *fmt, ...);
-void dev_log_add_level(int level);
-void dev_log_del_level(int level);
-void dev_log_set_level(int mask);
-
-
-#endif	/* _dev_log_h_ */
-
diff --git a/src/game/input.cpp b/src/game/input.cpp
index bb05b8d..9779852 100644
--- a/src/game/input.cpp
+++ b/src/game/input.cpp
@@ -16,7 +16,6 @@
 #include "TrafficProfiler.h"
 #include "priv_manager.h"
 #include "castle.h"
-#include "dev_log.h"
 
 extern time_t get_global_time();
 
@@ -395,7 +394,7 @@ int CInputHandshake::Analyze(LPDESC d, BYTE bHeader, const char * c_pData)
 				{
 					std::string msg = stBuf.substr(3, LOGIN_MAX_LEN);
 
-dev_log(LOG_DEB0, "DC : '%s'", msg.c_str());
+					sys_log(1, "DC : '%s'", msg.c_str());
 
 					TPacketGGDisconnect pgg;
 
diff --git a/src/game/input_db.cpp b/src/game/input_db.cpp
index cca7cac..051ad2e 100644
--- a/src/game/input_db.cpp
+++ b/src/game/input_db.cpp
@@ -34,8 +34,6 @@
 #include "castle.h"
 #include "motion.h"
 
-#include "dev_log.h"
-
 #include "log.h"
 
 #include "horsename_manager.h"
diff --git a/src/game/input_login.cpp b/src/game/input_login.cpp
index 9ac37e1..fc2b3d3 100644
--- a/src/game/input_login.cpp
+++ b/src/game/input_login.cpp
@@ -24,7 +24,6 @@
 #include "arena.h"
 #include "OXEvent.h"
 #include "priv_manager.h"
-#include "dev_log.h"
 #include "log.h"
 #include "horsename_manager.h"
 #include "MarkManager.h"
diff --git a/src/game/input_p2p.cpp b/src/game/input_p2p.cpp
index 1c50a78..051a98d 100644
--- a/src/game/input_p2p.cpp
+++ b/src/game/input_p2p.cpp
@@ -14,7 +14,6 @@
 #include "xmas_event.h"
 #include "affect.h"
 #include "castle.h"
-#include "dev_log.h"
 #include "locale_service.h"
 #include "questmanager.h"
 #include "skill.h"
diff --git a/src/game/item.cpp b/src/game/item.cpp
index f732ea3..c5c25f0 100644
--- a/src/game/item.cpp
+++ b/src/game/item.cpp
@@ -12,7 +12,6 @@
 #include "profiler.h"
 #include "marriage.h"
 #include "item_addon.h"
-#include "dev_log.h"
 #include "locale_service.h"
 #include "item.h"
 #include "item_manager.h"
diff --git a/src/game/item_manager.cpp b/src/game/item_manager.cpp
index 1358593..d667ca7 100644
--- a/src/game/item_manager.cpp
+++ b/src/game/item_manager.cpp
@@ -13,7 +13,6 @@
 #include "unique_item.h"
 #include "safebox.h"
 #include "blend_item.h"
-#include "dev_log.h"
 #include "locale_service.h"
 #include "item.h"
 #include "item_manager.h"
diff --git a/src/game/item_manager_read_tables.cpp b/src/game/item_manager_read_tables.cpp
index e115ff7..3e60697 100644
--- a/src/game/item_manager_read_tables.cpp
+++ b/src/game/item_manager_read_tables.cpp
@@ -13,7 +13,6 @@
 #include "unique_item.h"
 #include "safebox.h"
 #include "blend_item.h"
-#include "dev_log.h"
 #include "locale_service.h"
 #include "item.h"
 #include "item_manager.h"
diff --git a/src/game/monarch.cpp b/src/game/monarch.cpp
index a7cd07d..ec6765a 100644
--- a/src/game/monarch.cpp
+++ b/src/game/monarch.cpp
@@ -4,7 +4,6 @@
 #include "char.h"
 #include "sectree_manager.h"
 #include "desc_client.h"
-#include "dev_log.h"
 
 extern int test_server;
 extern int passes_per_sec;
@@ -113,7 +112,7 @@ bool CMonarch::IsMonarch(DWORD pid, BYTE bEmpire)
 
 bool CMonarch::IsMoneyOk(int price, BYTE bEmpire)
 {
-	dev_log(LOG_DEB1, "GetMoney(%d), price = (%d,%d)", bEmpire, GetMoney(bEmpire), price);
+	sys_log(1, "GetMoney(%d), price = (%d,%d)", bEmpire, GetMoney(bEmpire), price);
 	return (GetMoney(bEmpire) >= price);
 }
 
diff --git a/src/game/questlua_monarch.cpp b/src/game/questlua_monarch.cpp
index 3aa2107..8bbcff6 100644
--- a/src/game/questlua_monarch.cpp
+++ b/src/game/questlua_monarch.cpp
@@ -8,7 +8,6 @@
 #include "config.h"
 #include "mob_manager.h"
 #include "castle.h"
-#include "dev_log.h"
 #include "char.h"
 #include "char_manager.h"
 #include "utils.h"
diff --git a/src/game/sectree_manager.cpp b/src/game/sectree_manager.cpp
index c0253bf..7cbe3f1 100644
--- a/src/game/sectree_manager.cpp
+++ b/src/game/sectree_manager.cpp
@@ -16,7 +16,6 @@
 #include "buffer_manager.h"
 #include "packet.h"
 #include "start_position.h"
-#include "dev_log.h"
 
 WORD SECTREE_MANAGER::current_sectree_version = MAKEWORD(0, 3);