diff --git a/CLAUDE.md b/CLAUDE.md
index 78f0316..521c75e 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -13,7 +13,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 pip install -e ".[dev]"
 
 # Run dev server
-uvicorn app.main:app --reload
+uvicorn app.application:app --reload
 
 # Run all tests
 pytest
diff --git a/README.md b/README.md
index a1e9fd1..83cce78 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Python/FastAPI backend for duty scheduling at [US Basketball Amsterdam](https://
 pip install -e ".[dev]"
 cp .env.example .env  # set DATABASE_URL, ADMIN_PASSWORD, JWT_SECRET
 alembic upgrade head
-uvicorn app.main:app --reload
+uvicorn app.application:app --reload
 ```
 
 API docs available at `http://localhost:8000/docs`.
diff --git a/api/index.py b/api/index.py
index dae8f9c..c05246a 100644
--- a/api/index.py
+++ b/api/index.py
@@ -1 +1 @@
-from app.main import app  # noqa: F401 — Vercel looks for `app` at module level
+from app.application import app  # noqa: F401 — Vercel looks for `app` at module level
diff --git a/app/main.py b/app/application.py
similarity index 100%
rename from app/main.py
rename to app/application.py
diff --git a/pyproject.toml b/pyproject.toml
index 906514b..ed63d55 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,12 +13,12 @@ dependencies = [
     "passlib[bcrypt]>=1.7",
     "pydantic-settings>=2.0",
     "python-dotenv>=1.0",
+    "httpx>=0.27",
 ]
 
 [project.optional-dependencies]
 dev = [
     "pytest>=8.0",
-    "httpx>=0.27",
     "pytest-asyncio>=0.24",
 ]
 
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index c889323..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-fastapi>=0.115
-uvicorn[standard]>=0.32
-sqlalchemy>=2.0
-alembic>=1.14
-psycopg2-binary>=2.9
-python-jose[cryptography]>=3.3
-passlib[bcrypt]>=1.7
-pydantic-settings>=2.0
-python-dotenv>=1.0
-httpx>=0.27
diff --git a/tests/conftest.py b/tests/conftest.py
index 65b766e..1cf1ac7 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -10,7 +10,7 @@
 
 from app.db.engine import Base
 from app.dependencies import get_db
-from app.main import app
+from app.application import app
 
 TEST_DATABASE_URL = "sqlite:///:memory:"
 
diff --git a/vercel.json b/vercel.json
index 33e6a33..f308795 100644
--- a/vercel.json
+++ b/vercel.json
@@ -2,10 +2,5 @@
   "$schema": "https://openapi.vercel.sh/vercel.json",
   "rewrites": [
     { "source": "/(.*)", "destination": "/api/index" }
-  ],
-  "functions": {
-    "api/index.py": {
-      "excludeFiles": "{tests/**,**/*.test.py,**/test_*.py}"
-    }
-  }
+  ]
 }