diff --git a/htdocs/admin/menus/index.php b/htdocs/admin/menus/index.php
index e598afe07a3..bade95cdcce 100644
--- a/htdocs/admin/menus/index.php
+++ b/htdocs/admin/menus/index.php
@@ -304,7 +304,6 @@ if ($conf->use_javascript_ajax)
 	$sql.= " AND fk_menu >= 0";
 	$sql.= " ORDER BY m.position, m.rowid";		// Order is position then rowid (because we need a sort criteria when position is same)
 
-	dol_syslog("sql=".$sql);
 	$res  = $db->query($sql);
 	if ($res)
 	{
diff --git a/htdocs/comm/mailing/liste.php b/htdocs/comm/mailing/liste.php
index 617096561a3..3e06e5af005 100644
--- a/htdocs/comm/mailing/liste.php
+++ b/htdocs/comm/mailing/liste.php
@@ -82,7 +82,6 @@ else
 	$sql.= $db->plimit($conf->liste_limit +1, $offset);
 }
 
-dol_syslog("sql=".$sql);
 //print $sql;
 $result = $db->query($sql);
 if ($result)
diff --git a/htdocs/compta/bank/categ.php b/htdocs/compta/bank/categ.php
index 41abab1ace0..5aa72d4c049 100644
--- a/htdocs/compta/bank/categ.php
+++ b/htdocs/compta/bank/categ.php
@@ -52,7 +52,6 @@ if (GETPOST('add'))
 		$sql.= ", ".$conf->entity;
 		$sql.= ")";
 
-		dol_syslog("sql=".$sql);
 		$result = $db->query($sql);
 		if (!$result)
 		{
@@ -73,7 +72,6 @@ if (GETPOST('update'))
 		$sql.= " WHERE rowid = '".GETPOST('categid')."'";
 		$sql.= " AND entity = ".$conf->entity;
 
-		dol_syslog("sql=".$sql);
 		$result = $db->query($sql);
 		if (!$result)
 		{
@@ -92,7 +90,6 @@ if ($action == 'delete')
 		$sql.= " WHERE rowid = '".GETPOST('categid')."'";
 		$sql.= " AND entity = ".$conf->entity;
 
-		dol_syslog("sql=".$sql);
 		$result = $db->query($sql);
 		if (!$result)
 		{
diff --git a/htdocs/compta/bank/releve.php b/htdocs/compta/bank/releve.php
index 0d0246f28e6..dba271e672b 100644
--- a/htdocs/compta/bank/releve.php
+++ b/htdocs/compta/bank/releve.php
@@ -277,7 +277,6 @@ else
 	$sql.= " AND b.fk_account = ba.rowid";
 	$sql.= $db->order("b.datev, b.datec", "ASC");  // We add date of creation to have correct order when everything is done the same day
 
-	dol_syslog("sql=".$sql);
 	$result = $db->query($sql);
 	if ($result)
 	{
diff --git a/htdocs/compta/dons/class/don.class.php b/htdocs/compta/dons/class/don.class.php
index f7bd819d969..a37b0433c80 100644
--- a/htdocs/compta/dons/class/don.class.php
+++ b/htdocs/compta/dons/class/don.class.php
@@ -535,7 +535,6 @@ class Don extends CommonObject
 
         $sql = "UPDATE ".MAIN_DB_PREFIX."don SET fk_statut = 1, fk_user_valid = $userid WHERE rowid = $rowid AND fk_statut = 0";
 
-        dol_syslog("sql=".$sql);
         $resql=$this->db->query($sql);
         if ($resql)
         {
@@ -571,7 +570,6 @@ class Don extends CommonObject
         }
         $sql .=  " WHERE rowid = $rowid AND fk_statut = 1";
 
-        dol_syslog("sql=".$sql);
         $resql=$this->db->query($sql);
         if ($resql)
         {
@@ -603,7 +601,6 @@ class Don extends CommonObject
 
         $sql = "UPDATE ".MAIN_DB_PREFIX."don SET fk_statut = 3 WHERE rowid = $rowid AND fk_statut = 2";
 
-        dol_syslog("sql=".$sql);
         $resql=$this->db->query($sql);
         if ($resql)
         {
@@ -633,7 +630,6 @@ class Don extends CommonObject
     {
         $sql = "UPDATE ".MAIN_DB_PREFIX."don SET fk_statut = -1 WHERE rowid = ".$rowid;
 
-        dol_syslog("sql=".$sql);
         $resql=$this->db->query($sql);
         if ($resql)
         {
diff --git a/htdocs/compta/journal/purchasesjournal.php b/htdocs/compta/journal/purchasesjournal.php
index 52562ed0244..5e481b49dcc 100644
--- a/htdocs/compta/journal/purchasesjournal.php
+++ b/htdocs/compta/journal/purchasesjournal.php
@@ -117,7 +117,6 @@ if ($date_start && $date_end) $sql .= " AND f.datef >= '".$db->idate($date_start
 // TODO Find a better trick to avoid problem with some mysql installations
 if (in_array($db->type, array('mysql', 'mysqli'))) $db->query('SET SQL_BIG_SELECTS=1');
 
-dol_syslog("sql=".$sql);
 $result = $db->query($sql);
 if ($result)
 {
diff --git a/htdocs/compta/journal/sellsjournal.php b/htdocs/compta/journal/sellsjournal.php
index 931b8757470..ce8bd9c7944 100644
--- a/htdocs/compta/journal/sellsjournal.php
+++ b/htdocs/compta/journal/sellsjournal.php
@@ -121,7 +121,6 @@ $sql.= " ORDER BY f.rowid";
 // TODO Find a better trick to avoid problem with some mysql installations
 if (in_array($db->type, array('mysql', 'mysqli'))) $db->query('SET SQL_BIG_SELECTS=1');
 
-dol_syslog("sql=".$sql);
 $result = $db->query($sql);
 if ($result)
 {
diff --git a/htdocs/compta/paiement/cheque/fiche.php b/htdocs/compta/paiement/cheque/fiche.php
index fe396976f10..a2bf8a7bede 100644
--- a/htdocs/compta/paiement/cheque/fiche.php
+++ b/htdocs/compta/paiement/cheque/fiche.php
@@ -609,7 +609,6 @@ else
 	$sql.= " AND b.fk_bordereau = ".$object->id;
 	$sql.= " ORDER BY $sortfield $sortorder";
 
-	dol_syslog("sql=".$sql);
 	$resql = $db->query($sql);
 	if ($resql)
 	{
diff --git a/htdocs/core/db/mssql.class.php b/htdocs/core/db/mssql.class.php
index bf67bd7d8b3..52c4fc85de1 100644
--- a/htdocs/core/db/mssql.class.php
+++ b/htdocs/core/db/mssql.class.php
@@ -359,6 +359,8 @@ class DoliDBMssql extends DoliDB
 			$ret = mssql_query($query, $this->db);
 		}
 
+		dol_syslog('sql='.$query, LOG_DEBUG);
+
 		if (! preg_match("/^COMMIT/i",$query) && ! preg_match("/^ROLLBACK/i",$query))
 		{
 			// Si requete utilisateur, on la sauvegarde ainsi que son resultset
diff --git a/htdocs/core/db/mysql.class.php b/htdocs/core/db/mysql.class.php
index ab9d6e5850e..00cc3868cd6 100644
--- a/htdocs/core/db/mysql.class.php
+++ b/htdocs/core/db/mysql.class.php
@@ -263,6 +263,8 @@ class DoliDBMysql extends DoliDB
 			$ret = mysql_query($query, $this->db);
 		}
 
+		dol_syslog('sql='.$query, LOG_DEBUG);
+
 		if (! preg_match("/^COMMIT/i",$query) && ! preg_match("/^ROLLBACK/i",$query))
 		{
 			// Si requete utilisateur, on la sauvegarde ainsi que son resultset
diff --git a/htdocs/core/db/mysqli.class.php b/htdocs/core/db/mysqli.class.php
index 40061a4fa1a..336780a1a09 100644
--- a/htdocs/core/db/mysqli.class.php
+++ b/htdocs/core/db/mysqli.class.php
@@ -265,6 +265,8 @@ class DoliDBMysqli extends DoliDB
             $ret = mysqli_query($this->db,$query);
         }
 
+	    dol_syslog('sql='.$query, LOG_DEBUG);
+
         if (! preg_match("/^COMMIT/i",$query) && ! preg_match("/^ROLLBACK/i",$query))
         {
             // Si requete utilisateur, on la sauvegarde ainsi que son resultset
diff --git a/htdocs/core/db/pgsql.class.php b/htdocs/core/db/pgsql.class.php
index 155977cc8d1..b5959df1f63 100644
--- a/htdocs/core/db/pgsql.class.php
+++ b/htdocs/core/db/pgsql.class.php
@@ -492,6 +492,9 @@ class DoliDBPgsql extends DoliDB
 		}
 
 		$ret = @pg_query($this->db, $query);
+
+		dol_syslog('sql='.$query, LOG_DEBUG);
+
 		//print $query;
 		if (! preg_match("/^COMMIT/i",$query) && ! preg_match("/^ROLLBACK/i",$query)) // Si requete utilisateur, on la sauvegarde ainsi que son resultset
 		{
diff --git a/htdocs/core/db/sqlite.class.php b/htdocs/core/db/sqlite.class.php
index ad5c6532c9e..f06a92c401f 100644
--- a/htdocs/core/db/sqlite.class.php
+++ b/htdocs/core/db/sqlite.class.php
@@ -399,6 +399,8 @@ class DoliDBSqlite extends DoliDB
             $this->error=$e->getMessage();
         }
 
+	    dol_syslog('sql='.$query, LOG_DEBUG);
+
         if (! preg_match("/^COMMIT/i",$query) && ! preg_match("/^ROLLBACK/i",$query))
         {
             // Si requete utilisateur, on la sauvegarde ainsi que son resultset
diff --git a/htdocs/core/lib/functions2.lib.php b/htdocs/core/lib/functions2.lib.php
index 917ceaf0e65..2f2a313699a 100644
--- a/htdocs/core/lib/functions2.lib.php
+++ b/htdocs/core/lib/functions2.lib.php
@@ -1582,7 +1582,6 @@ function cleanCorruptedTree($db, $tabletocleantree, $fieldfkparent)
 
 		// Check loops on each other
 		$sql = "UPDATE ".MAIN_DB_PREFIX.$tabletocleantree." SET ".$fieldfkparent." = 0 WHERE ".$fieldfkparent." = rowid";	// So we update only records linked to themself
-		dol_syslog("sql=".$sql);
 		$resql = $db->query($sql);
 		if ($resql)
 		{
@@ -1623,7 +1622,6 @@ function cleanCorruptedTree($db, $tabletocleantree, $fieldfkparent)
 		$sql = "UPDATE ".MAIN_DB_PREFIX.$tabletocleantree;
 		$sql.= " SET ".$fieldfkparent." = 0";
 		$sql.= " WHERE rowid IN (".join(',',$listofidtoclean).")";	// So we update only records detected wrong
-		dol_syslog("sql=".$sql);
 		$resql = $db->query($sql);
 		if ($resql)
 		{
@@ -1643,7 +1641,6 @@ function cleanCorruptedTree($db, $tabletocleantree, $fieldfkparent)
 		$sql = "UPDATE ".MAIN_DB_PREFIX.$tabletocleantree;
 		$sql.= " SET ".$fieldfkparent." = 0";
 		$sql.= " WHERE ".$fieldfkparent." NOT IN (".join(',',$listofid).")";	// So we update only records linked to a non existing parent
-		dol_syslog("sql=".$sql);
 		$resql = $db->query($sql);
 		if ($resql)
 		{
diff --git a/htdocs/core/modules/mailings/contacts3.modules.php b/htdocs/core/modules/mailings/contacts3.modules.php
index 4c6480b8812..2cf5a708056 100644
--- a/htdocs/core/modules/mailings/contacts3.modules.php
+++ b/htdocs/core/modules/mailings/contacts3.modules.php
@@ -92,7 +92,6 @@ class mailing_contacts3 extends MailingTargets
     	if ($filtersarray[0] <> 'all') $sql.= " AND c.label = '".$this->db->escape($filtersarray[0])."'";
     	$sql.= " ORDER BY sp.lastname, sp.firstname";
 
-    	dol_syslog("sql=".$sql);
     	$resql = $this->db->query($sql);
     	if ($resql)
     	{
diff --git a/htdocs/fichinter/class/fichinter.class.php b/htdocs/fichinter/class/fichinter.class.php
index d7bb50682fe..52585d29122 100644
--- a/htdocs/fichinter/class/fichinter.class.php
+++ b/htdocs/fichinter/class/fichinter.class.php
@@ -875,7 +875,6 @@ class Fichinter extends CommonObject
 			$sql.= " WHERE rowid = ".$this->id;
 			$sql.= " AND entity = ".$conf->entity;
 
-			dol_syslog("sql=".$sql);
 			if ($this->db->query($sql))
 			{
 				$this->fk_contrat = $contractid;
diff --git a/htdocs/fourn/class/paiementfourn.class.php b/htdocs/fourn/class/paiementfourn.class.php
index 627b2de0d84..69912e77cb0 100644
--- a/htdocs/fourn/class/paiementfourn.class.php
+++ b/htdocs/fourn/class/paiementfourn.class.php
@@ -286,13 +286,11 @@ class PaiementFourn extends Paiement
 		// Efface la ligne de paiement (dans paiement_facture et paiement)
 		$sql = 'DELETE FROM '.MAIN_DB_PREFIX.'paiementfourn_facturefourn';
 		$sql.= ' WHERE fk_paiementfourn = '.$this->id;
-		dol_syslog("sql=".$sql);
 		$resql = $this->db->query($sql);
 		if ($resql)
 		{
 			$sql = 'DELETE FROM '.MAIN_DB_PREFIX.'paiementfourn';
 			$sql.= ' WHERE rowid = '.$this->id;
-		    dol_syslog("sql=".$sql);
 			$result = $this->db->query($sql);
 			if (! $result)
 			{
diff --git a/htdocs/opensurvey/class/opensurveysondage.class.php b/htdocs/opensurvey/class/opensurveysondage.class.php
index 37c04e50a29..602f5405ca2 100644
--- a/htdocs/opensurvey/class/opensurveysondage.class.php
+++ b/htdocs/opensurvey/class/opensurveysondage.class.php
@@ -474,7 +474,6 @@ class Opensurveysondage extends CommonObject
 		$sql = "INSERT INTO ".MAIN_DB_PREFIX."opensurvey_comments (id_sondage, comment, usercomment)";
 		$sql.= " VALUES ('".$this->db->escape($this->id_sondage)."','".$this->db->escape($comment)."','".$this->db->escape($comment_user)."')";
 		$resql = $this->db->query($sql);
-		dol_syslog("sql=".$sql);
 
 		if (!$resql) {
 			return false;
diff --git a/htdocs/opensurvey/exportcsv.php b/htdocs/opensurvey/exportcsv.php
index 2c31b67f574..fec8174a7ef 100644
--- a/htdocs/opensurvey/exportcsv.php
+++ b/htdocs/opensurvey/exportcsv.php
@@ -86,7 +86,6 @@ $sql ='SELECT nom, reponses';
 $sql.=' FROM '.MAIN_DB_PREFIX."opensurvey_user_studs";
 $sql.=" WHERE id_sondage='" . $db->escape($numsondage) . "'";
 $sql.=" ORDER BY id_users";
-dol_syslog("sql=".$sql);
 $resql=$db->query($sql);
 if ($resql)
 {
diff --git a/htdocs/opensurvey/public/studs.php b/htdocs/opensurvey/public/studs.php
index 01bb969df20..f970df5bc4d 100644
--- a/htdocs/opensurvey/public/studs.php
+++ b/htdocs/opensurvey/public/studs.php
@@ -212,7 +212,6 @@ if ($testmodifier)
 	$sql.= " SET reponses = '".$db->escape($nouveauchoix)."'";
 	$sql.= " WHERE id_users = '".$db->escape($idtomodify)."'";
 
-	dol_syslog("sql=".$sql);
 	$resql = $db->query($sql);
 	if (! $resql) dol_print_error($db);
 }
diff --git a/htdocs/opensurvey/results.php b/htdocs/opensurvey/results.php
index 48c585c0f2e..2d93dfd5de4 100644
--- a/htdocs/opensurvey/results.php
+++ b/htdocs/opensurvey/results.php
@@ -151,7 +151,6 @@ if ($testmodifier)
 	$sql.= " SET reponses = '".$db->escape($nouveauchoix)."'";
 	$sql.= " WHERE id_users = '".$db->escape($idtomodify)."'";
 
-	dol_syslog("sql=".$sql);
 	$resql = $db->query($sql);
 	if (! $resql) dol_print_error($db);
 }
@@ -172,7 +171,6 @@ if (GETPOST("ajoutercolonne") && GETPOST('nouvellecolonne') && $object->format =
 	$sql = 'UPDATE '.MAIN_DB_PREFIX."opensurvey_sondage";
 	$sql.= " SET sujet = '".$db->escape($nouveauxsujets)."'";
 	$sql.= " WHERE id_sondage = '".$db->escape($numsondage)."'";
-	dol_syslog("sql=".$sql);
 	$resql = $db->query($sql);
 	if (! $resql) dol_print_error($db);
 	else {
@@ -258,7 +256,6 @@ if (isset($_POST["ajoutercolonne"]) && $object->format == "D")
 			$sql = 'UPDATE '.MAIN_DB_PREFIX."opensurvey_sondage";
 			$sql.= " SET sujet = '".$db->escape($dateinsertion)."'";
 			$sql.= " WHERE id_sondage = '".$db->escape($numsondage)."'";
-			dol_syslog("sql=".$sql);
 			$resql = $db->query($sql);
 			if (! $resql) dol_print_error($db);
 			else {
@@ -340,7 +337,6 @@ for ($i = 0; $i < $nbcolonnes; $i++)
 		// Mise a jour des sujets dans la base
 		$sql = 'UPDATE '.MAIN_DB_PREFIX."opensurvey_sondage";
 		$sql.= " SET sujet = '".$db->escape($nouveauxsujets)."' WHERE id_sondage = '".$db->escape($numsondage)."'";
-		dol_syslog("sql=".$sql);
 		$resql = $db->query($sql);
 		if (! $resql) dol_print_error($db);
 
diff --git a/htdocs/societe/consumption.php b/htdocs/societe/consumption.php
index 520d003305d..f166369631a 100644
--- a/htdocs/societe/consumption.php
+++ b/htdocs/societe/consumption.php
@@ -245,7 +245,6 @@ print_barre_liste($langs->trans('ProductsIntoElements', $typeElementString.' '.$
 
 if ($sql_select)
 {
-	dol_syslog("sql=".$sql);
 	$resql=$db->query($sql);
 	if (!$resql) dol_print_error($db);
 }
diff --git a/htdocs/user/perms.php b/htdocs/user/perms.php
index 49bd0877e6e..af7a95af74d 100644
--- a/htdocs/user/perms.php
+++ b/htdocs/user/perms.php
@@ -306,7 +306,6 @@ $sql.= " AND r.entity = ".((! empty($conf->multicompany->enabled) && ! empty($fu
 if (empty($conf->global->MAIN_USE_ADVANCED_PERMS)) $sql.= " AND r.perms NOT LIKE '%_advance'";  // Hide advanced perms if option is disable
 $sql.= " ORDER BY r.module, r.id";
 
-dol_syslog("sql=".$sql);
 $result=$db->query($sql);
 if ($result)
 {
diff --git a/scripts/emailings/mailing-send.php b/scripts/emailings/mailing-send.php
index 4f341b7a39b..c271b6dd7a2 100755
--- a/scripts/emailings/mailing-send.php
+++ b/scripts/emailings/mailing-send.php
@@ -71,7 +71,6 @@ if ($id != 'all')
 	$sql.= " LIMIT 1";
 }
 
-dol_syslog("sql=".$sql);
 $resql=$db->query($sql);
 if ($resql)
 {