diff --git a/Makefile b/Makefile
index 8790cbc4..6c65d07f 100644
--- a/Makefile
+++ b/Makefile
@@ -92,6 +92,10 @@ test-coverage:
 test-fast:
 	pytest tests/ -v -m "not slow"
 
+# Run slow tests only
+test-slow:
+	pytest tests/ -v -m slow
+
 test-auth:
 	pytest tests/test_auth.py -v
 
diff --git a/tests/Makefile b/tests/Makefile
deleted file mode 100644
index dd654aa1..00000000
--- a/tests/Makefile
+++ /dev/null
@@ -1,58 +0,0 @@
-# Makefile for running tests
-# tests/Makefile
-.PHONY: test test-unit test-integration test-coverage test-fast test-slow
-
-# Run all tests
-test:
-	pytest tests/ -v
-
-# Run only unit tests
-test-unit:
-	pytest tests/ -v -m unit
-
-# Run only integration tests
-test-integration:
-	pytest tests/ -v -m integration
-
-# Run tests with coverage report
-test-coverage:
-	pytest tests/ --cov=app --cov=models --cov=utils --cov=middleware --cov-report=html --cov-report=term-missing
-
-# Run fast tests only (exclude slow ones)
-test-fast:
-	pytest tests/ -v -m "not slow"
-
-# Run slow tests only
-test-slow:
-	pytest tests/ -v -m slow
-
-# Run specific test file
-test-auth:
-	pytest tests/test_auth.py -v
-
-test-products:
-	pytest tests/test_products.py -v
-
-test-stock:
-	pytest tests/test_stock.py -v
-
-# Clean up test artifacts
-clean:
-	rm -rf htmlcov/
-	rm -rf .pytest_cache/
-	rm -rf .coverage
-	find . -type d -name "__pycache__" -exec rm -rf {} +
-	find . -name "*.pyc" -delete
-
-# Install test dependencies
-install-test-deps:
-	pip install -r tests/requirements_test.txt
-	validate_csv_headers(valid_df) == True
-
-        # Invalid headers (missing required fields)
-        invalid_df = pd.DataFrame({
-            "id": ["TEST001"],  # Wrong column name
-            "name": ["Test"]
-        })
-
-        assert self.processor._
diff --git a/tests/ecommerce.db b/tests/ecommerce.db
deleted file mode 100644
index e69de29b..00000000