diff --git a/CHANGELOG.md b/CHANGELOG.md
index 381f0f1..2a5ab5c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,8 @@
 
 ## spec/v0.4.1 (unreleased)
 
-* style: set noConsole as error
+* refactor: remove barrel files
+* refactor: simplify read version from package.json
 * chore: replace eslint/prettier by biome
 * chore: upgrade to node 22
 * chore: simplify linting
diff --git a/spec/controllers/DashboardsController.ts b/spec/controllers/DashboardsController.ts
index fccdb17..b5f5449 100644
--- a/spec/controllers/DashboardsController.ts
+++ b/spec/controllers/DashboardsController.ts
@@ -12,13 +12,14 @@ import {
     Tags,
 } from 'tsoa';
 
-import { DASHBOARDS, ERR_401, ERR_403 } from '../data/index.js';
+import { DASHBOARDS } from '../data/dashboard.js';
+import { ERR_401, ERR_403 } from '../data/error.js';
 import type {
     ListDashboardsQueryParams,
     ListDashboardsRes,
-} from '../model/index.js';
-import type { ErrorRes } from '../schema/index.js';
-import type { DashboardService } from '../services/index.js';
+} from '../model/dashboard.js';
+import type { ErrorRes } from '../schema/error.js';
+import type { DashboardService } from '../services/DashboardService.js';
 
 @Route('dashboards')
 @Produces('application/json')
diff --git a/spec/controllers/RunnablesController.ts b/spec/controllers/RunnablesController.ts
index ab4fa59..b40dbe0 100644
--- a/spec/controllers/RunnablesController.ts
+++ b/spec/controllers/RunnablesController.ts
@@ -14,24 +14,22 @@ import {
     Tags,
 } from 'tsoa';
 
+import { ERR_401, ERR_403, ERR_404 } from '../data/error.js';
 import {
-    ERR_401,
-    ERR_403,
-    ERR_404,
     RUNNABLES,
     RUNNABLE_OP_ASYNC_DESC,
     RUNNABLE_OP_ASYNC_RES,
     RUNNABLE_OP_SYNC_DESC,
     RUNNABLE_OP_SYNC_RES,
-} from '../data/index.js';
+} from '../data/runnable.js';
 import type {
     ListRunnablesQueryParams,
     ListRunnablesRes,
     Runnable,
     RunnableOperationRes,
-} from '../model/index.js';
-import type { ErrorRes } from '../schema/index.js';
-import type { RunnableService } from '../services/index.js';
+} from '../model/runnable.js';
+import type { ErrorRes } from '../schema/error.js';
+import type { RunnableService } from '../services/RunnableService.js';
 
 @Route('runnables')
 @Produces('application/json')
diff --git a/spec/data/dashboard.ts b/spec/data/dashboard.ts
index c7dfead..d98129c 100644
--- a/spec/data/dashboard.ts
+++ b/spec/data/dashboard.ts
@@ -1,4 +1,4 @@
-import type { ListDashboardsRes } from '../model/index.js';
+import type { ListDashboardsRes } from '../model/dashboard.js';
 
 export const DASHBOARDS: ListDashboardsRes = {
     items: [
diff --git a/spec/data/index.ts b/spec/data/index.ts
deleted file mode 100644
index 685c5dc..0000000
--- a/spec/data/index.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-export * from './dashboard.js';
-export * from './error.js';
-export * from './runnable.js';
diff --git a/spec/data/runnable.ts b/spec/data/runnable.ts
index ddc3586..0a0b25d 100644
--- a/spec/data/runnable.ts
+++ b/spec/data/runnable.ts
@@ -2,7 +2,7 @@ import {
     type ListRunnablesRes,
     type RunnableOperationRes,
     RunnableStatus,
-} from '../model/index.js';
+} from '../model/runnable.js';
 
 export const RUNNABLE_OP_ASYNC_DESC: string =
     'The operation has been executed asynchronously and will eventually succeed';
diff --git a/spec/model/dashboard.ts b/spec/model/dashboard.ts
index 6e44fdd..3fccfd6 100644
--- a/spec/model/dashboard.ts
+++ b/spec/model/dashboard.ts
@@ -1,4 +1,4 @@
-import type { ListQueryParams, ListRes } from '../schema/index.js';
+import type { ListQueryParams, ListRes } from '../schema/list.js';
 
 /**
  * A collection of metrics
diff --git a/spec/model/index.ts b/spec/model/index.ts
deleted file mode 100644
index 1736009..0000000
--- a/spec/model/index.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from './dashboard.js';
-export * from './runnnable.js';
diff --git a/spec/model/runnnable.ts b/spec/model/runnable.ts
similarity index 98%
rename from spec/model/runnnable.ts
rename to spec/model/runnable.ts
index ef9f5d9..b09fff5 100644
--- a/spec/model/runnnable.ts
+++ b/spec/model/runnable.ts
@@ -1,4 +1,4 @@
-import type { ListQueryParams, ListRes } from '../schema/index.js';
+import type { ListQueryParams, ListRes } from '../schema/list.js';
 
 export interface ListRunnablesQueryParams extends ListQueryParams {
     /**
diff --git a/spec/schema/index.ts b/spec/schema/index.ts
deleted file mode 100644
index 0a6e9f3..0000000
--- a/spec/schema/index.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from './error.js';
-export * from './list.js';
diff --git a/spec/services/DashboardService.ts b/spec/services/DashboardService.ts
index 2cdbdf5..50f1a96 100644
--- a/spec/services/DashboardService.ts
+++ b/spec/services/DashboardService.ts
@@ -1,7 +1,7 @@
 import type {
     ListDashboardsQueryParams,
     ListDashboardsRes,
-} from '../model/index.js';
+} from '../model/dashboard.js';
 
 export interface DashboardService {
     list(params: ListDashboardsQueryParams): Promise<ListDashboardsRes>;
diff --git a/spec/services/RunnableService.ts b/spec/services/RunnableService.ts
index c4d389b..851f860 100644
--- a/spec/services/RunnableService.ts
+++ b/spec/services/RunnableService.ts
@@ -3,7 +3,7 @@ import type {
     ListRunnablesRes,
     Runnable,
     RunnableOperationRes,
-} from '../model/index.js';
+} from '../model/runnable.js';
 
 export interface RunnableService {
     list(params: ListRunnablesQueryParams): Promise<ListRunnablesRes>;
diff --git a/spec/services/index.ts b/spec/services/index.ts
deleted file mode 100644
index 34042c0..0000000
--- a/spec/services/index.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from './DashboardService.js';
-export * from './RunnableService.js';