diff --git a/README.md b/README.md
index 966222c..00c1adc 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,6 @@ env vars
 <details>
 <summary>other optional config parameters</summary>
 
-* **POSTMOOGLE_NOOWNER** - allow change room settings by any room partisipant
 * **POSTMOOGLE_NOENCRYPTION** - disable encryption support
 * **POSTMOOGLE_STATUSMSG** - presence status message
 * **POSTMOOGLE_SENTRY_DSN** - sentry DSN
@@ -81,6 +80,7 @@ If you want to change them - check available options in the help message (`!pm h
 ---
 
 * **!pm mailboxes** - Show the list of all mailboxes
+* **!pm delete** &lt;mailbox&gt; - Delete specific mailbox
 
 </details>
 
diff --git a/bot/access.go b/bot/access.go
index 297cf1c..08b2967 100644
--- a/bot/access.go
+++ b/bot/access.go
@@ -19,10 +19,6 @@ func (b *Bot) allowOwner(actorID id.UserID, targetRoomID id.RoomID) bool {
 		}
 	}
 
-	if b.noowner {
-		return true
-	}
-
 	cfg, err := b.getSettings(targetRoomID)
 	if err != nil {
 		b.Error(context.Background(), targetRoomID, "failed to retrieve settings: %v", err)
diff --git a/bot/bot.go b/bot/bot.go
index 3e0a92c..cd5f7e4 100644
--- a/bot/bot.go
+++ b/bot/bot.go
@@ -17,7 +17,6 @@ import (
 
 // Bot represents matrix bot
 type Bot struct {
-	noowner                 bool
 	prefix                  string
 	domain                  string
 	allowedUsers            []*regexp.Regexp
@@ -37,12 +36,10 @@ func New(
 	log *logger.Logger,
 	prefix string,
 	domain string,
-	noowner bool,
 	allowedUsers []*regexp.Regexp,
 	allowedAdmins []*regexp.Regexp,
 ) *Bot {
 	b := &Bot{
-		noowner:       noowner,
 		prefix:        prefix,
 		domain:        domain,
 		allowedUsers:  allowedUsers,
diff --git a/cmd/cmd.go b/cmd/cmd.go
index 41671b9..1ce08ba 100644
--- a/cmd/cmd.go
+++ b/cmd/cmd.go
@@ -87,7 +87,7 @@ func initBot(cfg *config.Config) {
 		// nolint // Fatal = panic, not os.Exit()
 		log.Fatal("cannot initialize matrix bot: %v", err)
 	}
-	mxb = bot.New(lp, mxlog, cfg.Prefix, cfg.Domain, cfg.NoOwner, cfg.Users, cfg.Admins)
+	mxb = bot.New(lp, mxlog, cfg.Prefix, cfg.Domain, cfg.Users, cfg.Admins)
 	log.Debug("bot has been created")
 }
 
diff --git a/config/config.go b/config/config.go
index c6fad30..a4b11db 100644
--- a/config/config.go
+++ b/config/config.go
@@ -33,7 +33,6 @@ func New() (*Config, error) {
 		Domain:       env.String("domain", defaultConfig.Domain),
 		Port:         env.String("port", defaultConfig.Port),
 		NoEncryption: env.Bool("noencryption"),
-		NoOwner:      env.Bool("noowner"),
 		MaxSize:      env.Int("maxsize", defaultConfig.MaxSize),
 		StatusMsg:    env.String("statusmsg", defaultConfig.StatusMsg),
 		Users:        userPatterns,
diff --git a/config/types.go b/config/types.go
index 9158e85..94566b6 100644
--- a/config/types.go
+++ b/config/types.go
@@ -18,8 +18,6 @@ type Config struct {
 	LogLevel string
 	// NoEncryption disabled encryption support
 	NoEncryption bool
-	// NoOwner allows room settings change by any participant
-	NoOwner bool
 	// Prefix for commands
 	Prefix string
 	// MaxSize of an email (including attachments)