diff --git a/gen/go/security/jwt/v1/config.pb.go b/gen/go/security/jwt/v1/config.pb.go
index c5d87ff..3d138c4 100644
--- a/gen/go/security/jwt/v1/config.pb.go
+++ b/gen/go/security/jwt/v1/config.pb.go
@@ -33,7 +33,6 @@ type Config struct {
 	SigningMethod        string   `protobuf:"bytes,1,opt,name=signing_method,proto3" json:"signing_method,omitempty"`
 	Key                  string   `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
 	Key2                 string   `protobuf:"bytes,3,opt,name=key2,proto3" json:"key2,omitempty"`
-	Keyfunc              string   `protobuf:"bytes,4,opt,name=keyfunc,proto3" json:"keyfunc,omitempty"`
 	AccessTokenLifetime  int64    `protobuf:"varint,5,opt,name=access_token_lifetime,proto3" json:"access_token_lifetime,omitempty"`
 	RefreshTokenLifetime int64    `protobuf:"varint,6,opt,name=refresh_token_lifetime,proto3" json:"refresh_token_lifetime,omitempty"`
 	Issuer               string   `protobuf:"bytes,7,opt,name=issuer,proto3" json:"issuer,omitempty"`
@@ -92,13 +91,6 @@ func (x *Config) GetKey2() string {
 	return ""
 }
 
-func (x *Config) GetKeyfunc() string {
-	if x != nil {
-		return x.Keyfunc
-	}
-	return ""
-}
-
 func (x *Config) GetAccessTokenLifetime() int64 {
 	if x != nil {
 		return x.AccessTokenLifetime
@@ -148,7 +140,7 @@ var file_security_jwt_v1_config_proto_rawDesc = []byte{
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@@ -160,57 +152,51 @@ var file_security_jwt_v1_config_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/gen/go/security/jwt/v1/config.pb.validate.go b/gen/go/security/jwt/v1/config.pb.validate.go
index 13a6ad3..f7078bd 100644
--- a/gen/go/security/jwt/v1/config.pb.validate.go
+++ b/gen/go/security/jwt/v1/config.pb.validate.go
@@ -78,27 +78,7 @@ func (m *Config) validate(all bool) error {
 		errors = append(errors, err)
 	}
 
-	if utf8.RuneCountInString(m.GetKey2()) < 1 {
-		err := ConfigValidationError{
-			field:  "Key2",
-			reason: "value length must be at least 1 runes",
-		}
-		if !all {
-			return err
-		}
-		errors = append(errors, err)
-	}
-
-	if utf8.RuneCountInString(m.GetKeyfunc()) < 1 {
-		err := ConfigValidationError{
-			field:  "Keyfunc",
-			reason: "value length must be at least 1 runes",
-		}
-		if !all {
-			return err
-		}
-		errors = append(errors, err)
-	}
+	// no validation rules for Key2
 
 	if m.GetAccessTokenLifetime() <= 0 {
 		err := ConfigValidationError{
diff --git a/proto/security/jwt/v1/config.proto b/proto/security/jwt/v1/config.proto
index 4728c51..4a99b20 100644
--- a/proto/security/jwt/v1/config.proto
+++ b/proto/security/jwt/v1/config.proto
@@ -32,11 +32,6 @@ message Config {
     json_name = "key2",
     (gnostic.openapi.v3.property) = {description: "The secondary key used for signing the token."}
   ];
-  string keyfunc = 4 [
-    json_name = "keyfunc",
-    (validate.rules).string.min_len = 1,
-    (gnostic.openapi.v3.property) = {description: "The function used to retrieve the key for validation."}
-  ];
   int64 access_token_lifetime = 5 [
     json_name = "access_token_lifetime",
     (validate.rules).int64.gt = 0,