diff --git a/fhem/FHEM/98_configdb.pm b/fhem/FHEM/98_configdb.pm
index 46e00e017..702d5ec35 100644
--- a/fhem/FHEM/98_configdb.pm
+++ b/fhem/FHEM/98_configdb.pm
@@ -62,62 +62,6 @@ sub CommandConfigdb($$) {
 			return _cfgDB_dump($param1);
 		}
 
-# 			my ($dbconn,$dbuser,$dbpass,$dbtype)  = _cfgDB_readConfig();
-# 			my ($dbname,$dbhostname,$dbport,$gzip,$mp,$ret,$size,$source,$target,$ts);
-# 			$ts     = strftime('%Y-%m-%d_%H-%M-%S',localtime);
-# 			$mp     = $configDB{attr}{'dumpPath'};
-# 			$mp   //= AttrVal('global','modpath','.').'/log';
-# 			$target = "$mp/configDB_$ts.dump";
-# 
-# 			if (lc($param1) eq 'unzipped') {
-# 				$gzip = '';
-# 			} else {
-# 				$gzip    = '| gzip -c';
-# 				$target .= '.gz';
-# 			}
-# 			
-# 			if ($dbtype eq 'SQLITE') {
-# 				(undef,$source) = split (/=/, $dbconn);
-# 				my $dumpcmd = "echo '.dump fhem%' | sqlite3 $source $gzip > $target";
-# 				Log 4,"configDB: $dumpcmd";
-# 				$ret        = qx($dumpcmd);
-# 				return $ret if $ret; # return error message if available
-# 
-# 			} elsif ($dbtype eq 'MYSQL') {
-# 				($dbname,$dbhostname,$dbport) = split (/;/,$dbconn);
-# 				$dbport //= '=3306';
-# 				(undef,$dbname)     = split (/=/,$dbname);
-# 				(undef,$dbhostname) = split (/=/,$dbhostname);
-# 				(undef,$dbport)     = split (/=/,$dbport);
-# 				my $dbtables = "fhemversions fhemconfig fhemstate fhemb64filesave";
-# 				my $dumpcmd = "mysqldump --user=$dbuser --password=$dbpass --host=$dbhostname --port=$dbport -Q $dbname $dbtables $gzip > $target";
-# 				Log 4,"configDB: $dumpcmd";
-# 				$ret        = qx($dumpcmd);
-# 				return $ret if $ret;
-# 				$source = $dbname;
-# 
-# 			} elsif ($dbtype eq 'POSTGRESQL') {
-# 				($dbname,$dbhostname,$dbport) = split (/;/,$dbconn);
-# 				$dbport //= '=5432';
-# 				(undef,$dbname)     = split (/=/,$dbname);
-# 				(undef,$dbhostname) = split (/=/,$dbhostname);
-# 				(undef,$dbport)     = split (/=/,$dbport);
-# 				my $dbtables = "-t fhemversions -t fhemconfig -t fhemstate -t fhemb64filesave";
-# 				my $dumpcmd = "PGPASSWORD=$dbpass pg_dump -U $dbuser -h $dbhostname -p $dbport $dbname $dbtables $gzip > $target";
-# 				Log 4,"configDB: $dumpcmd";
-# 				$ret        = qx($dumpcmd);
-# 				return $ret if $ret;
-# 				$source     = $dbname;
-# 
-# 			} else {
-# 				return "configdb dump not supported for $dbtype!";
-# 			}
-# 
-# 			$size = -s $target;
-# 			$size //= 0;
-# 			$ret  = "configDB dumped $size bytes\nfrom: $source\n  to: $target";
-# 			return $ret;
-# 		}
 
 		when ('diff') {
 			return "\n Syntax: configdb diff <device> <version>" if @a != 3;
@@ -486,8 +430,7 @@ sub _cfgDB_readConfig() {
 			<ul><b>deleteimported</b> if set to 1 files will always be deleted from filesystem after import to database.<br/></ul><br/>
 			<ul><b>maxversions</b> set the maximum number of configurations stored in database. <br/>
 			    The oldest version will be dropped in a "save config" if it would exceed this number.</ul><br/>
-			<ul><b>private</b> if set to 1 the user and password info will not be shown in 'configdb info' output.</ul><br/>
-			<ul><b>useCache</b> (experimental!) if set to 1 fileread from database will be cached.</ul><br/>
+			<ul><b>private</b> if set to 0 the database user and password info will be shown in 'configdb info' output.</ul><br/>
 			<br/>
 
 		<li><code>configdb diff &lt;device&gt; &lt;version&gt;</code></li><br/>