diff --git a/.env b/.env
deleted file mode 100644
index 6dff405..0000000
--- a/.env
+++ /dev/null
@@ -1,2 +0,0 @@
-
-SIGNER_API_KEY=your-api-key-change-this
\ No newline at end of file
diff --git a/src/config.ts b/src/config.ts
index caa0e80..07213f2 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,7 +1,4 @@
-import dotenv from 'dotenv';
-
-// Load environment variables from .env file
-dotenv.config();
+// Configuration via variables d'environnement (centralisées dans lecoffre_node/.env.master)
 
 export interface AppConfig {
   port: number;