5 files changed, 1 insertions, 15 deletions
diff --git a/phpBB/includes/acp/acp_database.php b/phpBB/includes/acp/acp_database.php
index 677fce7217..c1c748832b 100644
--- a/phpBB/includes/acp/acp_database.php
+++ b/phpBB/includes/acp/acp_database.php
@@ -248,8 +248,6 @@ class acp_database
 
 							switch ($db->get_sql_layer())
 							{
-								case 'mysql':
-								case 'mysql4':
 								case 'mysqli':
 								case 'sqlite3':
 									while (($sql = $fgetd($fp, ";\n", $read, $seek, $eof)) !== false)
diff --git a/phpBB/includes/acp/acp_forums.php b/phpBB/includes/acp/acp_forums.php
index cb0593b14a..9044cd0e97 100644
--- a/phpBB/includes/acp/acp_forums.php
+++ b/phpBB/includes/acp/acp_forums.php
@@ -1878,7 +1878,6 @@ class acp_forums
 
 		switch ($db->get_sql_layer())
 		{
-			case 'mysql4':
 			case 'mysqli':
 
 				// Delete everything else and thank MySQL for offering multi-table deletion
diff --git a/phpBB/includes/acp/acp_reasons.php b/phpBB/includes/acp/acp_reasons.php
index dfb2ccbfd3..f3f82bdfca 100644
--- a/phpBB/includes/acp/acp_reasons.php
+++ b/phpBB/includes/acp/acp_reasons.php
@@ -222,8 +222,6 @@ class acp_reasons
 					{
 						// The ugly one!
 						case 'mysqli':
-						case 'mysql4':
-						case 'mysql':
 							// Change the reports using this reason to 'other'
 							$sql = 'UPDATE ' . REPORTS_TABLE . '
 								SET reason_id = ' . $other_reason_id . ", report_text = CONCAT('" . $db->sql_escape($reason_row['reason_description']) . "\n\n', report_text)
diff --git a/phpBB/includes/functions_admin.php b/phpBB/includes/functions_admin.php
index ce5f0812aa..4629706048 100644
--- a/phpBB/includes/functions_admin.php
+++ b/phpBB/includes/functions_admin.php
@@ -1384,7 +1384,6 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false,
 			$db->sql_transaction('begin');
 			switch ($db->get_sql_layer())
 			{
-				case 'mysql4':
 				case 'mysqli':
 					$sql = 'DELETE FROM ' . TOPICS_TABLE . '
 						USING ' . TOPICS_TABLE . ' t1, ' . TOPICS_TABLE . " t2
@@ -2683,8 +2682,7 @@ function phpbb_update_foes($db, $auth, $group_id = false, $user_id = false)
 		switch ($db->get_sql_layer())
 		{
 			case 'mysqli':
-			case 'mysql4':
-				$sql = 'DELETE ' . (($db->get_sql_layer() === 'mysqli' || version_compare($db->sql_server_info(true), '4.1', '>=')) ? 'z.*' : ZEBRA_TABLE) . '
+				$sql = 'DELETE z.*
 					FROM ' . ZEBRA_TABLE . ' z, ' . USER_GROUP_TABLE . ' ug
 					WHERE z.zebra_id = ug.user_id
 						AND z.foe = 1
@@ -2840,8 +2838,6 @@ function get_database_size()
 	// This code is heavily influenced by a similar routine in phpMyAdmin 2.2.0
 	switch ($db->get_sql_layer())
 	{
-		case 'mysql':
-		case 'mysql4':
 		case 'mysqli':
 			$sql = 'SELECT VERSION() AS mysql_version';
 			$result = $db->sql_query($sql);
diff --git a/phpBB/includes/functions_convert.php b/phpBB/includes/functions_convert.php
index 2cfbe9541d..13e01afe51 100644
--- a/phpBB/includes/functions_convert.php
+++ b/phpBB/includes/functions_convert.php
@@ -1647,11 +1647,6 @@ function mass_auth($ug_type, $forum_id, $ug_id, $acl_list, $setting = ACL_NO)
 			case 'insert':
 				switch ($db->get_sql_layer())
 				{
-					case 'mysql':
-					case 'mysql4':
-						$sql = 'VALUES ' . implode(', ', preg_replace('#^(.*?)$#', '(\1)', $sql_subary));
-					break;
-
 					case 'sqlite3':
 					case 'mssqlnative':
 						$sql = implode(' UNION ALL ', preg_replace('#^(.*?)$#', 'SELECT \1', $sql_subary));