diff --git a/config/recursivemap.go b/config/recursivemap.go
deleted file mode 100644
index 49059be..0000000
--- a/config/recursivemap.go
+++ /dev/null
@@ -1,115 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2018 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package config
-
-import (
-	"strings"
-)
-
-type RecursiveMap map[interface{}]interface{}
-
-func (rm RecursiveMap) GetDefault(path string, defVal interface{}) interface{} {
-	val, ok := rm.Get(path)
-	if !ok {
-		return defVal
-	}
-	return val
-}
-
-func (rm RecursiveMap) GetMap(path string) RecursiveMap {
-	val := rm.GetDefault(path, nil)
-	if val == nil {
-		return nil
-	}
-
-	newRM, ok := val.(map[interface{}]interface{})
-	if ok {
-		return RecursiveMap(newRM)
-	}
-	return nil
-}
-
-func (rm RecursiveMap) Get(path string) (interface{}, bool) {
-	if index := strings.IndexRune(path, '.'); index >= 0 {
-		key := path[:index]
-		path = path[index+1:]
-
-		submap := rm.GetMap(key)
-		if submap == nil {
-			return nil, false
-		}
-		return submap.Get(path)
-	}
-	val, ok := rm[path]
-	return val, ok
-}
-
-func (rm RecursiveMap) GetIntDefault(path string, defVal int) int {
-	val, ok := rm.GetInt(path)
-	if !ok {
-		return defVal
-	}
-	return val
-}
-
-func (rm RecursiveMap) GetInt(path string) (int, bool) {
-	val, ok := rm.Get(path)
-	if !ok {
-		return 0, ok
-	}
-	intVal, ok := val.(int)
-	return intVal, ok
-}
-
-func (rm RecursiveMap) GetStringDefault(path string, defVal string) string {
-	val, ok := rm.GetString(path)
-	if !ok {
-		return defVal
-	}
-	return val
-}
-
-func (rm RecursiveMap) GetString(path string) (string, bool) {
-	val, ok := rm.Get(path)
-	if !ok {
-		return "", ok
-	}
-	strVal, ok := val.(string)
-	return strVal, ok
-}
-
-func (rm RecursiveMap) Set(path string, value interface{}) {
-	if index := strings.IndexRune(path, '.'); index >= 0 {
-		key := path[:index]
-		path = path[index+1:]
-		nextRM := rm.GetMap(key)
-		if nextRM == nil {
-			nextRM = make(RecursiveMap)
-			rm[key] = nextRM
-		}
-		nextRM.Set(path, value)
-		return
-	}
-	rm[path] = value
-}
-
-func (rm RecursiveMap) CopyFrom(otherRM RecursiveMap, path string) {
-	val, ok := otherRM.Get(path)
-	if ok {
-		rm.Set(path, val)
-	}
-}
\ No newline at end of file
diff --git a/config/update.go b/config/update.go
deleted file mode 100644
index 5c390ab..0000000
--- a/config/update.go
+++ /dev/null
@@ -1,100 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2018 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package config
-
-import (
-	"io/ioutil"
-
-	"gopkg.in/yaml.v2"
-)
-
-func Update(path, basePath string) error {
-	oldCfgData, err := ioutil.ReadFile(path)
-	if err != nil {
-		return err
-	}
-
-	oldCfg := make(RecursiveMap)
-	err = yaml.Unmarshal(oldCfgData, &oldCfg)
-	if err != nil {
-		return err
-	}
-
-	baseCfgData, err := ioutil.ReadFile(basePath)
-	if err != nil {
-		return err
-	}
-
-	baseCfg := make(RecursiveMap)
-	err = yaml.Unmarshal(baseCfgData, &baseCfg)
-	if err != nil {
-		return err
-	}
-
-	err = runUpdate(oldCfg, baseCfg)
-	if err != nil {
-		return err
-	}
-
-	newCfgData, err := yaml.Marshal(&baseCfg)
-	if err != nil {
-		return err
-	}
-
-	return ioutil.WriteFile(path, newCfgData, 0600)
-}
-
-func runUpdate(oldCfg, newCfg RecursiveMap) error {
-	cp := func(path string) {
-		newCfg.CopyFrom(oldCfg, path)
-	}
-
-	cp("homeserver.address")
-	cp("homeserver.domain")
-
-	cp("appservice.address")
-	cp("appservice.hostname")
-	cp("appservice.port")
-
-	cp("appservice.database.type")
-	cp("appservice.database.uri")
-	cp("appservice.state_store_path")
-
-	cp("appservice.id")
-	cp("appservice.bot.username")
-	cp("appservice.bot.displayname")
-	cp("appservice.bot.avatar")
-
-	cp("appservice.bot.as_token")
-	cp("appservice.bot.hs_token")
-
-	cp("bridge.username_template")
-	cp("bridge.displayname_template")
-
-	cp("bridge.command_prefix")
-
-	cp("bridge.permissions")
-
-	cp("logging.directory")
-	cp("logging.file_name_format")
-	cp("logging.file_date_format")
-	cp("logging.file_mode")
-	cp("logging.timestamp_format")
-	cp("logging.print_level")
-
-	return nil
-}
diff --git a/example-config.yaml b/example-config.yaml
index bbc609c..616c142 100644
--- a/example-config.yaml
+++ b/example-config.yaml
@@ -29,7 +29,7 @@ appservice:
   # Appservice bot details.
   bot:
     # Username of the appservice bot.
-    username: whatsapp
+    username: whatsappbot
     # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
     # to leave display name/avatar as-is.
     displayname: WhatsApp bridge bot
diff --git a/main.go b/main.go
index 50bac7e..eda5f89 100644
--- a/main.go
+++ b/main.go
@@ -91,16 +91,12 @@ func NewBridge() *Bridge {
 		portalsByJID:    make(map[database.PortalKey]*Portal),
 		puppets:         make(map[types.WhatsAppID]*Puppet),
 	}
-	err := config.Update(*configPath, *baseConfigPath)
-	if err != nil {
-		fmt.Fprintln(os.Stderr, "Failed to update config:", err)
-		os.Exit(10)
-	}
 
+	var err error
 	bridge.Config, err = config.Load(*configPath)
 	if err != nil {
 		fmt.Fprintln(os.Stderr, "Failed to load config:", err)
-		os.Exit(11)
+		os.Exit(10)
 	}
 	return bridge
 }
@@ -111,7 +107,7 @@ func (bridge *Bridge) Init() {
 	bridge.AS, err = bridge.Config.MakeAppService()
 	if err != nil {
 		fmt.Fprintln(os.Stderr, "Failed to initialize AppService:", err)
-		os.Exit(12)
+		os.Exit(11)
 	}
 	bridge.AS.Init()
 	bridge.Bot = bridge.AS.BotIntent()
@@ -122,7 +118,7 @@ func (bridge *Bridge) Init() {
 	err = log.OpenFile()
 	if err != nil {
 		fmt.Fprintln(os.Stderr, "Failed to open log file:", err)
-		os.Exit(13)
+		os.Exit(12)
 	}
 	bridge.AS.Log = log.Sub("Matrix")
 
@@ -131,7 +127,7 @@ func (bridge *Bridge) Init() {
 	err = bridge.StateStore.Load()
 	if err != nil {
 		bridge.Log.Fatalln("Failed to load state store:", err)
-		os.Exit(14)
+		os.Exit(13)
 	}
 	bridge.AS.StateStore = bridge.StateStore
 
@@ -139,7 +135,7 @@ func (bridge *Bridge) Init() {
 	bridge.DB, err = database.New(bridge.Config.AppService.Database.URI)
 	if err != nil {
 		bridge.Log.Fatalln("Failed to initialize database:", err)
-		os.Exit(15)
+		os.Exit(14)
 	}
 
 	bridge.Log.Debugln("Initializing Matrix event processor")
@@ -153,7 +149,7 @@ func (bridge *Bridge) Start() {
 	err := bridge.DB.CreateTables()
 	if err != nil {
 		bridge.Log.Fatalln("Failed to create database tables:", err)
-		os.Exit(16)
+		os.Exit(15)
 	}
 	bridge.Log.Debugln("Starting application service HTTP server")
 	go bridge.AS.Start()