diff --git a/src/models/src/group.ts b/src/models/src/group.ts
index 4a7196e..8a27af4 100644
--- a/src/models/src/group.ts
+++ b/src/models/src/group.ts
@@ -1,4 +1,4 @@
-import { Posix, ToJson, UUID } from '@/types.ts'
+import type { Posix, ToJson, UUID } from '@/types.ts'
 import { Ressource } from '@models/ressource.ts'
 
 export class Group extends Ressource {
diff --git a/src/models/src/machine.ts b/src/models/src/machine.ts
index bd1d59e..bf75008 100644
--- a/src/models/src/machine.ts
+++ b/src/models/src/machine.ts
@@ -1,7 +1,7 @@
-import { ToJson } from '@/types.ts'
-import { Group } from '@models/group.ts'
-import { Ressource } from '@models/ressource.ts'
 import { Ref } from '@/src/models/utils/ref.ts'
+import type { ToJson } from '@/types.ts'
+import type { Group } from '@models/group.ts'
+import { Ressource } from '@models/ressource.ts'
 
 export class Machine extends Ressource {
 	static fromJSON(
diff --git a/src/models/src/ressource.ts b/src/models/src/ressource.ts
index e070c5b..e073519 100644
--- a/src/models/src/ressource.ts
+++ b/src/models/src/ressource.ts
@@ -1,5 +1,5 @@
 import { Ref } from '@/src/models/utils/ref.ts'
-import { DateString, ToJson, UUID } from '@/types.ts'
+import type { DateString, ToJson, UUID } from '@/types.ts'
 import { regex } from '@/utils.ts'
 
 export class Ressource {
diff --git a/src/models/src/service.ts b/src/models/src/service.ts
index 20fceed..0cf4fbb 100644
--- a/src/models/src/service.ts
+++ b/src/models/src/service.ts
@@ -1,7 +1,7 @@
-import { ToJson } from '@/types.ts'
-import { Group } from '@models/group.ts'
-import { Ressource } from '@models/ressource.ts'
 import { Ref } from '@/src/models/utils/ref.ts'
+import type { ToJson } from '@/types.ts'
+import type { Group } from '@models/group.ts'
+import { Ressource } from '@models/ressource.ts'
 
 export class Service extends Ressource {
 	static fromJSON(
diff --git a/src/models/src/user.ts b/src/models/src/user.ts
index b18d4c9..fcc50bf 100644
--- a/src/models/src/user.ts
+++ b/src/models/src/user.ts
@@ -1,9 +1,9 @@
-import { Login, MailAddress, Posix, ToJson } from '@/types.ts'
-import { regex, toLogin } from '@/utils.ts'
-import { Credential } from '@models/credential.ts'
-import { Group } from '@models/group.ts'
-import { Ressource } from '@models/ressource.ts'
 import { Ref } from '@/src/models/utils/ref.ts'
+import type { Login, MailAddress, Posix, ToJson } from '@/types.ts'
+import { regex, toLogin } from '@/utils.ts'
+import type { Credential } from '@models/credential.ts'
+import type { Group } from '@models/group.ts'
+import { Ressource } from '@models/ressource.ts'
 
 export class User extends Ressource {
 	static fromJSON(