diff --git a/internal/yml/config.go b/internal/yml/config.go
index 4dfc18fd..e3988879 100644
--- a/internal/yml/config.go
+++ b/internal/yml/config.go
@@ -153,20 +153,6 @@ func unmarshalServerConfig(b []byte) (*ServerConfig, error) {
 			if _, ok := errV0170.(*yaml.TypeError); !ok {
 				return nil, err
 			}
-
-			var configV0140 serverConfigV0140
-			if errV0140 := yaml.Unmarshal(b, &configV0140); errV0140 != nil {
-				if _, ok := errV0140.(*yaml.TypeError); !ok {
-					return nil, err
-				}
-
-				var configV0135 serverConfigV0135
-				if errV0135 := yaml.Unmarshal(b, &configV0135); errV0135 != nil {
-					return nil, err
-				}
-				return configV0135.migrate(), nil
-			}
-			return configV0140.migrate(), nil
 		}
 		return configV0170.migrate(), nil
 	}
diff --git a/internal/yml/server-config_test.go b/internal/yml/server-config_test.go
index d576455a..747bfa74 100644
--- a/internal/yml/server-config_test.go
+++ b/internal/yml/server-config_test.go
@@ -9,9 +9,7 @@ import "testing"
 var readServerConfigTests = []struct {
 	File string
 }{
-	{File: "testdata/config_v0.13.0.yml"}, // 0
-	{File: "testdata/config_v0.14.0.yml"}, // 1
-	{File: "testdata/config_v0.17.0.yml"}, // 2
+	{File: "testdata/config_v0.17.0.yml"}, // 0
 }
 
 func TestReadServerConfig(t *testing.T) {
diff --git a/internal/yml/server-config_v0.13.5.go b/internal/yml/server-config_v0.13.5.go
deleted file mode 100644
index 2439ae1e..00000000
--- a/internal/yml/server-config_v0.13.5.go
+++ /dev/null
@@ -1,192 +0,0 @@
-// Copyright 2021 - MinIO, Inc. All rights reserved.
-// Use of this source code is governed by the AGPLv3
-// license that can be found in the LICENSE file.
-
-package yml
-
-type serverConfigV0135 struct {
-	Addr String   `yaml:"address"`
-	Root Identity `yaml:"root"`
-
-	TLS struct {
-		PrivateKey  String `yaml:"key"`
-		Certificate String `yaml:"cert"`
-		Proxy       struct {
-			Identities []Identity `yaml:"identities"`
-			Header     struct {
-				ClientCert String `yaml:"cert"`
-			} `yaml:"header"`
-		} `yaml:"proxy"`
-	} `yaml:"tls"`
-
-	Policies map[string]struct {
-		Paths      []string   `yaml:"paths"` // Use 'string' type; We don't replace API path patterns with env. vars
-		Identities []Identity `yaml:"identities"`
-	} `yaml:"policy"`
-
-	Cache struct {
-		Expiry struct {
-			Any     Duration `yaml:"any"`
-			Unused  Duration `yaml:"unused"`
-			Offline Duration `yaml:"offline"`
-		} `yaml:"expiry"`
-	} `yaml:"cache"`
-
-	Log struct {
-		Error String `yaml:"error"`
-		Audit String `yaml:"audit"`
-	} `yaml:"log"`
-
-	Keys struct {
-		Fs struct {
-			Path String `yaml:"path"`
-		} `yaml:"fs"`
-
-		Generic struct {
-			Endpoint String `yaml:"endpoint"`
-			TLS      struct {
-				PrivateKey  String `yaml:"key"`
-				Certificate String `yaml:"cert"`
-				CAPath      String `yaml:"ca"`
-			} `yaml:"tls"`
-		} `yaml:"generic"`
-
-		Vault struct {
-			Endpoint   String `yaml:"endpoint"`
-			Engine     String `yaml:"engine"`
-			APIVersion String `yaml:"version"`
-			Namespace  String `yaml:"namespace"`
-
-			Prefix String `yaml:"prefix"`
-
-			AppRole struct {
-				Engine String   `yaml:"engine"`
-				ID     String   `yaml:"id"`
-				Secret String   `yaml:"secret"`
-				Retry  Duration `yaml:"retry"`
-			} `yaml:"approle"`
-
-			Kubernetes struct {
-				Engine String   `yaml:"engine"`
-				Role   String   `yaml:"role"`
-				JWT    String   `yaml:"jwt"` // Can be either a JWT or a path to a file containing a JWT
-				Retry  Duration `yaml:"retry"`
-			} `yaml:"kubernetes"`
-
-			TLS struct {
-				PrivateKey  String `yaml:"key"`
-				Certificate String `yaml:"cert"`
-				CAPath      String `yaml:"ca"`
-			} `yaml:"tls"`
-
-			Status struct {
-				Ping Duration `yaml:"ping"`
-			} `yaml:"status"`
-		} `yaml:"vault"`
-
-		Fortanix struct {
-			SDKMS struct {
-				Endpoint String `yaml:"endpoint"`
-				GroupID  String `yaml:"group_id"`
-
-				Login struct {
-					APIKey String `yaml:"key"`
-				} `yaml:"credentials"`
-
-				TLS struct {
-					CAPath String `yaml:"ca"`
-				} `yaml:"tls"`
-			} `yaml:"sdkms"`
-		} `yaml:"fortanix"`
-
-		Aws struct {
-			SecretsManager struct {
-				Endpoint String `yaml:"endpoint"`
-				Region   String `yaml:"region"`
-				KmsKey   String ` yaml:"kmskey"`
-
-				Login struct {
-					AccessKey    String `yaml:"accesskey"`
-					SecretKey    String `yaml:"secretkey"`
-					SessionToken String `yaml:"token"`
-				} `yaml:"credentials"`
-			} `yaml:"secretsmanager"`
-		} `yaml:"aws"`
-
-		GCP struct {
-			SecretManager struct {
-				ProjectID   String   `yaml:"project_id"`
-				Endpoint    String   `yaml:"endpoint"`
-				Scopes      []String `yaml:"scopes"`
-				Credentials struct {
-					Client   String `yaml:"client_email"`
-					ClientID String `yaml:"client_id"`
-					KeyID    String `yaml:"private_key_id"`
-					Key      String `yaml:"private_key"`
-				} `yaml:"credentials"`
-			} `yaml:"secretmanager"`
-		} `yaml:"gcp"`
-
-		Azure struct {
-			KeyVault struct {
-				Endpoint    String `yaml:"endpoint"`
-				Credentials struct {
-					TenantID String `yaml:"tenant_id"`
-					ClientID String `yaml:"client_id"`
-					Secret   String `yaml:"client_secret"`
-				} `yaml:"credentials"`
-				ManagedIdentity struct {
-					ClientID String `yaml:"client_id"`
-				} `yaml:"managed_identity"`
-			} `yaml:"keyvault"`
-		} `yaml:"azure"`
-
-		Gemalto struct {
-			KeySecure struct {
-				Endpoint String `yaml:"endpoint"`
-
-				Login struct {
-					Token  String   `yaml:"token"`
-					Domain String   `yaml:"domain"`
-					Retry  Duration `yaml:"retry"`
-				} `yaml:"credentials"`
-
-				TLS struct {
-					CAPath String `yaml:"ca"`
-				} `yaml:"tls"`
-			} `yaml:"keysecure"`
-		} `yaml:"gemalto"`
-	} `yaml:"keys"`
-}
-
-func (c *serverConfigV0135) migrate() *ServerConfig {
-	config := &ServerConfig{
-		Address:  c.Addr,
-		Cache:    c.Cache,
-		Log:      c.Log,
-		KeyStore: c.Keys,
-	}
-	config.Admin.Identity = c.Root
-
-	config.TLS.PrivateKey = c.TLS.PrivateKey
-	config.TLS.Certificate = c.TLS.Certificate
-	config.TLS.Proxy = c.TLS.Proxy
-
-	type Policy struct {
-		Allow      []string   `yaml:"allow"`
-		Deny       []string   `yaml:"deny"`
-		Identities []Identity `yaml:"identities"`
-	}
-	config.Policies = make(map[string]struct {
-		Allow      []string   `yaml:"allow"`
-		Deny       []string   `yaml:"deny"`
-		Identities []Identity `yaml:"identities"`
-	}, len(c.Policies))
-	for name, policy := range c.Policies {
-		config.Policies[name] = Policy{
-			Allow:      policy.Paths,
-			Identities: policy.Identities,
-		}
-	}
-	return config
-}
diff --git a/internal/yml/server-config_v0.14.0.go b/internal/yml/server-config_v0.14.0.go
deleted file mode 100644
index 8da67f71..00000000
--- a/internal/yml/server-config_v0.14.0.go
+++ /dev/null
@@ -1,197 +0,0 @@
-// Copyright 2021 - MinIO, Inc. All rights reserved.
-// Use of this source code is governed by the AGPLv3
-// license that can be found in the LICENSE file.
-
-package yml
-
-type serverConfigV0140 struct {
-	Addr String   `yaml:"address"`
-	Root Identity `yaml:"root"`
-
-	TLS struct {
-		PrivateKey  String `yaml:"key"`
-		Certificate String `yaml:"cert"`
-		Proxy       struct {
-			Identities []Identity `yaml:"identities"`
-			Header     struct {
-				ClientCert String `yaml:"cert"`
-			} `yaml:"header"`
-		} `yaml:"proxy"`
-	} `yaml:"tls"`
-
-	Policies map[string]struct {
-		Paths      []string   `yaml:"paths"` // Use 'string' type; We don't replace API path patterns with env. vars
-		Identities []Identity `yaml:"identities"`
-	} `yaml:"policy"`
-
-	Cache struct {
-		Expiry struct {
-			Any     Duration `yaml:"any"`
-			Unused  Duration `yaml:"unused"`
-			Offline Duration `yaml:"offline"`
-		} `yaml:"expiry"`
-	} `yaml:"cache"`
-
-	Log struct {
-		Error String `yaml:"error"`
-		Audit String `yaml:"audit"`
-	} `yaml:"log"`
-
-	Keys []struct {
-		Name String `yaml:"name"`
-	} `yaml:"keys"`
-
-	KeyStore struct {
-		Fs struct {
-			Path String `yaml:"path"`
-		} `yaml:"fs"`
-
-		Generic struct {
-			Endpoint String `yaml:"endpoint"`
-			TLS      struct {
-				PrivateKey  String `yaml:"key"`
-				Certificate String `yaml:"cert"`
-				CAPath      String `yaml:"ca"`
-			} `yaml:"tls"`
-		} `yaml:"generic"`
-
-		Vault struct {
-			Endpoint   String `yaml:"endpoint"`
-			Engine     String `yaml:"engine"`
-			APIVersion String `yaml:"version"`
-			Namespace  String `yaml:"namespace"`
-
-			Prefix String `yaml:"prefix"`
-
-			AppRole struct {
-				Engine String   `yaml:"engine"`
-				ID     String   `yaml:"id"`
-				Secret String   `yaml:"secret"`
-				Retry  Duration `yaml:"retry"`
-			} `yaml:"approle"`
-
-			Kubernetes struct {
-				Engine String   `yaml:"engine"`
-				Role   String   `yaml:"role"`
-				JWT    String   `yaml:"jwt"` // Can be either a JWT or a path to a file containing a JWT
-				Retry  Duration `yaml:"retry"`
-			} `yaml:"kubernetes"`
-
-			TLS struct {
-				PrivateKey  String `yaml:"key"`
-				Certificate String `yaml:"cert"`
-				CAPath      String `yaml:"ca"`
-			} `yaml:"tls"`
-
-			Status struct {
-				Ping Duration `yaml:"ping"`
-			} `yaml:"status"`
-		} `yaml:"vault"`
-
-		Fortanix struct {
-			SDKMS struct {
-				Endpoint String `yaml:"endpoint"`
-				GroupID  String `yaml:"group_id"`
-
-				Login struct {
-					APIKey String `yaml:"key"`
-				} `yaml:"credentials"`
-
-				TLS struct {
-					CAPath String `yaml:"ca"`
-				} `yaml:"tls"`
-			} `yaml:"sdkms"`
-		} `yaml:"fortanix"`
-
-		Aws struct {
-			SecretsManager struct {
-				Endpoint String `yaml:"endpoint"`
-				Region   String `yaml:"region"`
-				KmsKey   String ` yaml:"kmskey"`
-
-				Login struct {
-					AccessKey    String `yaml:"accesskey"`
-					SecretKey    String `yaml:"secretkey"`
-					SessionToken String `yaml:"token"`
-				} `yaml:"credentials"`
-			} `yaml:"secretsmanager"`
-		} `yaml:"aws"`
-
-		GCP struct {
-			SecretManager struct {
-				ProjectID   String   `yaml:"project_id"`
-				Endpoint    String   `yaml:"endpoint"`
-				Scopes      []String `yaml:"scopes"`
-				Credentials struct {
-					Client   String `yaml:"client_email"`
-					ClientID String `yaml:"client_id"`
-					KeyID    String `yaml:"private_key_id"`
-					Key      String `yaml:"private_key"`
-				} `yaml:"credentials"`
-			} `yaml:"secretmanager"`
-		} `yaml:"gcp"`
-
-		Azure struct {
-			KeyVault struct {
-				Endpoint    String `yaml:"endpoint"`
-				Credentials struct {
-					TenantID String `yaml:"tenant_id"`
-					ClientID String `yaml:"client_id"`
-					Secret   String `yaml:"client_secret"`
-				} `yaml:"credentials"`
-				ManagedIdentity struct {
-					ClientID String `yaml:"client_id"`
-				} `yaml:"managed_identity"`
-			} `yaml:"keyvault"`
-		} `yaml:"azure"`
-
-		Gemalto struct {
-			KeySecure struct {
-				Endpoint String `yaml:"endpoint"`
-
-				Login struct {
-					Token  String   `yaml:"token"`
-					Domain String   `yaml:"domain"`
-					Retry  Duration `yaml:"retry"`
-				} `yaml:"credentials"`
-
-				TLS struct {
-					CAPath String `yaml:"ca"`
-				} `yaml:"tls"`
-			} `yaml:"keysecure"`
-		} `yaml:"gemalto"`
-	} `yaml:"keystore"`
-}
-
-func (c *serverConfigV0140) migrate() *ServerConfig {
-	config := &ServerConfig{
-		Address:  c.Addr,
-		Cache:    c.Cache,
-		Log:      c.Log,
-		Keys:     c.Keys,
-		KeyStore: c.KeyStore,
-	}
-	config.Admin.Identity = c.Root
-
-	config.TLS.PrivateKey = c.TLS.PrivateKey
-	config.TLS.Certificate = c.TLS.Certificate
-	config.TLS.Proxy = c.TLS.Proxy
-
-	type Policy struct {
-		Allow      []string   `yaml:"allow"`
-		Deny       []string   `yaml:"deny"`
-		Identities []Identity `yaml:"identities"`
-	}
-	config.Policies = make(map[string]struct {
-		Allow      []string   `yaml:"allow"`
-		Deny       []string   `yaml:"deny"`
-		Identities []Identity `yaml:"identities"`
-	}, len(c.Policies))
-	for name, policy := range c.Policies {
-		config.Policies[name] = Policy{
-			Allow:      policy.Paths,
-			Identities: policy.Identities,
-		}
-	}
-	return config
-}
diff --git a/internal/yml/testdata/config_v0.13.0.yml b/internal/yml/testdata/config_v0.13.0.yml
deleted file mode 100644
index 955de330..00000000
--- a/internal/yml/testdata/config_v0.13.0.yml
+++ /dev/null
@@ -1,62 +0,0 @@
-address: 0.0.0.0:7373
-
-root: c84cc9b91ae2399b043da7eca616048d4b4200edf2ff418d8af3835911db945d
-
-tls:
-  key:  server.key
-  cert: server.crt
-
-proxy:
-  identities: []
-  header:
-      cert: X-Tls-Client-Cert
-
-policy:
-  my-app:
-    paths:
-    - /v1/key/create/my-app*
-    - /v1/key/generate/my-app*
-    - /v1/key/decrypt/my-app*
-    identities:
-    - df7281ca3fed4ef7d06297eb7cb9d590a4edc863b4425f4762bb2afaebfd3258
-    - c0ecd5962eaf937422268b80a93dde4786dc9783fb2480ddea0f3e5fe471a731
-
-  my-app-ops:
-    paths:
-    - /v1/key/delete/my-app*
-    - /v1/policy/show/my-app
-    - /v1/identity/assign/my-app/*
-    identities:
-    - 7ec8095a5308a535b72b35c7ccd4ce1d7c14af713acd22e2935a9d6e4fe18127
-
-cache:
-  expiry:
-    any:   5m0s
-    unused: 20s
-
-log:
-  error: on
-  audit: off
-
-keys:
-  vault:
-    endpoint: "https://localhost:8200"
-    engine: ""    
-    namespace: ""
-    prefix: ""    
-    approle:
-      engine: ""
-      id: ""
-      secret: ""
-      retry: 15s
-    kubernetes:
-      engine: ""
-      role: ""    
-      jwt:  ""
-      retry: 15s  
-    tls:
-      key: ""
-      cert: ""
-      ca: ""
-    status:
-      ping: 10s
diff --git a/internal/yml/testdata/config_v0.14.0.yml b/internal/yml/testdata/config_v0.14.0.yml
deleted file mode 100644
index 73cd2e44..00000000
--- a/internal/yml/testdata/config_v0.14.0.yml
+++ /dev/null
@@ -1,54 +0,0 @@
-address: 0.0.0.0:7373
-
-root: c84cc9b91ae2399b043da7eca616048d4b4200edf2ff418d8af3835911db945d
-
-tls:
-  key:  server.key
-  cert: server.crt
-
-proxy:
-  identities: []
-  header:
-      cert: X-Tls-Client-Cert
-
-policy:
-  my-app:
-    paths:
-    - /v1/key/create/my-app*
-    - /v1/key/generate/my-app*
-    - /v1/key/decrypt/my-app*
-    identities:
-    - df7281ca3fed4ef7d06297eb7cb9d590a4edc863b4425f4762bb2afaebfd3258
-    - c0ecd5962eaf937422268b80a93dde4786dc9783fb2480ddea0f3e5fe471a731
-
-  my-app-ops:
-    paths:
-    - /v1/key/delete/my-app*
-    - /v1/policy/show/my-app
-    - /v1/identity/assign/my-app/*
-    identities:
-    - 7ec8095a5308a535b72b35c7ccd4ce1d7c14af713acd22e2935a9d6e4fe18127
-
-cache:
-  expiry:
-    any:   5m0s
-    unused: 20s
-
-log:
-  error: on
-  audit: off
-
-keys:
-  - name: my-key-1
-  - name: my-key-2
-
-keystore:
-  aws:
-    secretsmanager:
-      endpoint: "secretsmanager.us-east-2.amazonaws.com"
-      region: "us-east-2"
-      kmskey: ""
-      credentials:
-        accesskey: ""
-        secretkey: ""
-        token: ""