diff --git a/phpBB/includes/acp/acp_logs.php b/phpBB/includes/acp/acp_logs.php
index 35f2a3bf6b..0f4f78fcdd 100644
--- a/phpBB/includes/acp/acp_logs.php
+++ b/phpBB/includes/acp/acp_logs.php
@@ -140,7 +140,6 @@ class acp_logs
 			'S_LIMIT_DAYS'	=> $s_limit_days,
 			'S_SORT_KEY'	=> $s_sort_key,
 			'S_SORT_DIR'	=> $s_sort_dir,
-			'S_LANG_KEYS'	=> $s_lang_keys,
 			'S_CLEARLOGS'	=> $auth->acl_get('a_clearlogs'),
 			'S_KEYWORDS'	=> $keywords,
 			)
diff --git a/phpBB/includes/functions_admin.php b/phpBB/includes/functions_admin.php
index d84216701a..a021717f57 100644
--- a/phpBB/includes/functions_admin.php
+++ b/phpBB/includes/functions_admin.php
@@ -338,12 +338,13 @@ function copy_forum_permissions($src_forum_id, $dest_forum_ids, $clear_dest_perm
 		return false;
 	}
 
-	// Check if source forums exists
+	// Check if source forum exists
 	$sql = 'SELECT forum_name
 		FROM ' . FORUMS_TABLE . '
 		WHERE forum_id = ' . $src_forum_id;
 	$result = $db->sql_query($sql);
 	$src_forum_name = $db->sql_fetchfield('forum_name');
+	$db->sql_freeresult($result);
 
 	// Source forum doesn't exist
 	if (empty($src_forum_name))
@@ -357,6 +358,7 @@ function copy_forum_permissions($src_forum_id, $dest_forum_ids, $clear_dest_perm
 		WHERE ' . $db->sql_in_set('forum_id', $dest_forum_ids);
 	$result = $db->sql_query($sql);
 
+	$dest_forum_ids = $dest_forum_names = array();
 	while ($row = $db->sql_fetchrow($result))
 	{
 		$dest_forum_ids[]	= (int) $row['forum_id'];
diff --git a/phpBB/includes/mcp/mcp_logs.php b/phpBB/includes/mcp/mcp_logs.php
index 11b5f23c12..782fba7a50 100644
--- a/phpBB/includes/mcp/mcp_logs.php
+++ b/phpBB/includes/mcp/mcp_logs.php
@@ -184,7 +184,6 @@ class mcp_logs
 			'S_SELECT_SORT_DIR'		=> $s_sort_dir,
 			'S_SELECT_SORT_KEY'		=> $s_sort_key,
 			'S_SELECT_SORT_DAYS'	=> $s_limit_days,
-			'S_LANG_KEYS'			=> $s_lang_keys,
 			'S_LOGS'				=> ($log_count > 0),
 			'S_KEYWORDS'			=> $keywords,
 			)
diff --git a/phpBB/includes/mcp/mcp_notes.php b/phpBB/includes/mcp/mcp_notes.php
index 7706ea6a99..757860e1af 100644
--- a/phpBB/includes/mcp/mcp_notes.php
+++ b/phpBB/includes/mcp/mcp_notes.php
@@ -222,7 +222,6 @@ class mcp_notes
 			'S_SELECT_SORT_DIR'		=> $s_sort_dir,
 			'S_SELECT_SORT_KEY'		=> $s_sort_key,
 			'S_SELECT_SORT_DAYS'	=> $s_limit_days,
-			'S_LANG_KEYS'			=> $s_lang_keys,
 			'S_KEYWORDS'			=> $keywords,
 
 			'L_TITLE'			=> $user->lang['MCP_NOTES_USER'],
diff --git a/phpBB/language/en/acp/common.php b/phpBB/language/en/acp/common.php
index a05973763c..cf748028fd 100644
--- a/phpBB/language/en/acp/common.php
+++ b/phpBB/language/en/acp/common.php
@@ -232,8 +232,6 @@ $lang = array_merge($lang, array(
 	'EXPORT_DOWNLOAD'		=> 'Download',
 	'EXPORT_STORE'			=> 'Store',
 
-	'FILTER'				=> 'Filter',
-
 	'GENERAL_OPTIONS'		=> 'General options',
 	'GENERAL_SETTINGS'		=> 'General settings',
 	'GLOBAL_MASK'			=> 'Global permission mask',
@@ -277,7 +275,6 @@ $lang = array_merge($lang, array(
 	'RETURN_TO'							=> 'Return to…',
 
 	'SELECT_ANONYMOUS'		=> 'Select anonymous user',
-	'SELECT_LANG_KEY'		=> 'Select operation',
 	'SELECT_OPTION'			=> 'Select option',
 
 	'SETTING_TOO_LOW'		=> 'The entered value for the setting “%1$s” is too low. The minimal allowed value is %2$d.',
@@ -311,8 +308,6 @@ $lang = array_merge($lang, array(
 
 	'DISPLAY_LOG'	=> 'Display entries from previous',
 
-	'LOGS_PLACEHOLDER'	=> '<value>',
-
 	'NO_ENTRIES'	=> 'No log entries for this period.',
 
 	'SORT_IP'		=> 'IP address',