diff --git a/backend/.env b/backend/.env
deleted file mode 100644
index 4b5f810..0000000
--- a/backend/.env
+++ /dev/null
@@ -1,14 +0,0 @@
-APP_NAME=GenExamenes IA
-ENVIRONMENT=local
-API_KEY=change-me-in-production
-DATABASE_URL=postgresql+psycopg://genexamenes:genexamenes@db:5432/genexamenes
-ALLOWED_ORIGINS=http://localhost:3000
-RATE_LIMIT_REQUESTS=300
-RATE_LIMIT_WINDOW_SECONDS=300
-MAX_REQUEST_BYTES=1048576
-
-# OpenAI-compatible chat completions endpoint.
-LLM_API_KEY=
-LLM_BASE_URL=/api/chat
-LLM_MODEL=qwen3.5:35b
-LLM_TIMEOUT_SECONDS=250