diff --git a/README.md b/README.md
index 402fe7a6..377d5447 100644
--- a/README.md
+++ b/README.md
@@ -169,7 +169,6 @@ proxies:
     password: "password"
     # udp: true
 
-  # old obfs configuration format remove after prerelease
   - name: "ss2"
     type: ss
     server: server
@@ -368,8 +367,6 @@ rules:
   - GEOIP,CN,DIRECT
   - DST-PORT,80,DIRECT
   - SRC-PORT,7777,DIRECT
-  # FINAL would remove after prerelease
-  # you also can use `FINAL,Proxy` or `FINAL,,Proxy` now
   - MATCH,auto
 ```
 </details>
diff --git a/adapters/outbound/shadowsocks.go b/adapters/outbound/shadowsocks.go
index 8a620464..68c907e2 100644
--- a/adapters/outbound/shadowsocks.go
+++ b/adapters/outbound/shadowsocks.go
@@ -37,10 +37,6 @@ type ShadowSocksOption struct {
 	UDP        bool                   `proxy:"udp,omitempty"`
 	Plugin     string                 `proxy:"plugin,omitempty"`
 	PluginOpts map[string]interface{} `proxy:"plugin-opts,omitempty"`
-
-	// deprecated when bump to 1.0
-	Obfs     string `proxy:"obfs,omitempty"`
-	ObfsHost string `proxy:"obfs-host,omitempty"`
 }
 
 type simpleObfsOption struct {
@@ -122,17 +118,6 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 	var obfsOption *simpleObfsOption
 	obfsMode := ""
 
-	// forward compatibility before 1.0
-	if option.Obfs != "" {
-		obfsMode = option.Obfs
-		obfsOption = &simpleObfsOption{
-			Host: "bing.com",
-		}
-		if option.ObfsHost != "" {
-			obfsOption.Host = option.ObfsHost
-		}
-	}
-
 	decoder := structure.NewDecoder(structure.Option{TagName: "obfs", WeaklyTypedInput: true})
 	if option.Plugin == "obfs" {
 		opts := simpleObfsOption{Host: "bing.com"}
diff --git a/config/config.go b/config/config.go
index b2aea875..a715e40c 100644
--- a/config/config.go
+++ b/config/config.go
@@ -126,12 +126,6 @@ type RawConfig struct {
 	Proxy         []map[string]interface{}          `yaml:"proxies"`
 	ProxyGroup    []map[string]interface{}          `yaml:"proxy-groups"`
 	Rule          []string                          `yaml:"rules"`
-
-	// remove after 1.0
-	ProxyProviderOld map[string]map[string]interface{} `yaml:"proxy-provider"`
-	ProxyOld         []map[string]interface{}          `yaml:"Proxy"`
-	ProxyGroupOld    []map[string]interface{}          `yaml:"Proxy Group"`
-	RuleOld          []string                          `yaml:"Rule"`
 }
 
 // Parse config
@@ -168,11 +162,6 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 				"8.8.8.8",
 			},
 		},
-
-		// remove after 1.0
-		RuleOld:       []string{},
-		ProxyOld:      []map[string]interface{}{},
-		ProxyGroupOld: []map[string]interface{}{},
 	}
 
 	if err := yaml.Unmarshal(buf, &rawCfg); err != nil {
@@ -264,18 +253,6 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 	groupsConfig := cfg.ProxyGroup
 	providersConfig := cfg.ProxyProvider
 
-	if len(proxiesConfig) == 0 {
-		proxiesConfig = cfg.ProxyOld
-	}
-
-	if len(groupsConfig) == 0 {
-		groupsConfig = cfg.ProxyGroupOld
-	}
-
-	if len(providersConfig) == 0 {
-		providersConfig = cfg.ProxyProviderOld
-	}
-
 	proxies["DIRECT"] = outbound.NewProxy(outbound.NewDirect())
 	proxies["REJECT"] = outbound.NewProxy(outbound.NewReject())
 	proxyList = append(proxyList, "DIRECT", "REJECT")
@@ -371,14 +348,8 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 
 func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, error) {
 	rules := []C.Rule{}
-
 	rulesConfig := cfg.Rule
 
-	// remove after 1.0
-	if len(rulesConfig) == 0 {
-		rulesConfig = cfg.RuleOld
-	}
-
 	// parse rules
 	for idx, line := range rulesConfig {
 		rule := trimArr(strings.Split(line, ","))
diff --git a/hub/executor/executor.go b/hub/executor/executor.go
index 2d71bde0..8131ad39 100644
--- a/hub/executor/executor.go
+++ b/hub/executor/executor.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
-	"path/filepath"
 	"sync"
 
 	"github.com/Dreamacro/clash/adapters/provider"
@@ -25,30 +24,11 @@ var (
 	mux sync.Mutex
 )
 
-// forward compatibility before 1.0
-func readRawConfig(path string) ([]byte, error) {
-	data, err := ioutil.ReadFile(path)
-	if err == nil && len(data) != 0 {
-		return data, nil
-	}
-
-	if filepath.Ext(path) != ".yaml" {
-		return nil, err
-	}
-
-	path = path[:len(path)-5] + ".yml"
-	if _, fallbackErr := os.Stat(path); fallbackErr == nil {
-		return ioutil.ReadFile(path)
-	}
-
-	return data, err
-}
-
 func readConfig(path string) ([]byte, error) {
 	if _, err := os.Stat(path); os.IsNotExist(err) {
 		return nil, err
 	}
-	data, err := readRawConfig(path)
+	data, err := ioutil.ReadFile(path)
 	if err != nil {
 		return nil, err
 	}
@@ -168,9 +148,9 @@ func updateGeneral(general *config.General, force bool) {
 	tunnel.SetMode(general.Mode)
 	resolver.DisableIPv6 = !general.IPv6
 
-	if cfg.Interface != "" {
-		dialer.DialHook = dialer.DialerWithInterface(cfg.Interface)
-		dialer.ListenPacketHook = dialer.ListenPacketWithInterface(cfg.Interface)
+	if general.Interface != "" {
+		dialer.DialHook = dialer.DialerWithInterface(general.Interface)
+		dialer.ListenPacketHook = dialer.ListenPacketWithInterface(general.Interface)
 	} else {
 		dialer.DialHook = nil
 		dialer.ListenPacketHook = nil
diff --git a/rules/parser.go b/rules/parser.go
index 3814056d..2f09e793 100644
--- a/rules/parser.go
+++ b/rules/parser.go
@@ -25,9 +25,6 @@ func ParseRule(tp, payload, target string, params []string) (C.Rule, error) {
 	case "IP-CIDR", "IP-CIDR6":
 		noResolve := HasNoResolve(params)
 		parsed, parseErr = NewIPCIDR(payload, target, WithIPCIDRNoResolve(noResolve))
-	// deprecated when bump to 1.0
-	case "SOURCE-IP-CIDR":
-		fallthrough
 	case "SRC-IP-CIDR":
 		parsed, parseErr = NewIPCIDR(payload, target, WithIPCIDRSourceIP(true), WithIPCIDRNoResolve(true))
 	case "SRC-PORT":
@@ -35,9 +32,6 @@ func ParseRule(tp, payload, target string, params []string) (C.Rule, error) {
 	case "DST-PORT":
 		parsed, parseErr = NewPort(payload, target, false)
 	case "MATCH":
-		fallthrough
-	// deprecated when bump to 1.0
-	case "FINAL":
 		parsed = NewMatch(target)
 	default:
 		parseErr = fmt.Errorf("unsupported rule type %s", tp)