diff --git a/Makefile b/Makefile
index 5ff3661..880aa4d 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ PYTEST_CMD = uv run python -m pytest -v
 COVERAGE_OPTS = --cov --cov-report=term-missing --cov-report=html
 
 # Phony targets
-.PHONY: all clean dead-code format help install lint test test-coverage
+.PHONY: all clean dead-code format help install lint test
 
 # Default target
 help: ## Show this help message
@@ -30,7 +30,7 @@ format: ## Format code
 
 lint: ## Run linting tools
 	@echo "Running linting tools..."
-	uv run black --check . && uv run isort --check-only . && uv run flake8 . && uv run mypy . && uv run bandit -r -c pyproject.toml .
+	uv run black --check . && uv run isort --check-only . && uv run flake8 . && uv run mypy && uv run bandit -c pyproject.toml -r src/
 
 dead-code: ## Check for dead code using vulture
 	@echo "Checking for dead code..."
diff --git a/pyproject.toml b/pyproject.toml
index 1f9f7e7..b9a5f7c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,32 +54,18 @@ dev = [
 
 [tool.isort]
 profile = "black"
-line_length = 88
-multi_line_output = 3
 
 [tool.black]
 line-length = 88
 include = "\\.pyi?$"
-extend-exclude = """
-/(
-  \\.eggs
-  | \\.git
-  | \\.hg
-  | \\.mypy_cache
-  | \\.tox
-  | \\.venv
-  | build
-  | dist
-)/
-"""
 
 [tool.flake8]
 max-line-length = 88
 extend-ignore = [ "E203", "W503" ]
-exclude = [ ".venv", "__pycache__", ".git", "htmlcov" ]
+exclude = [ ".venv" ]
 
 [tool.mypy]
-exclude = "tests/"
+files = [ "src" ]
 warn_return_any = true
 warn_unused_configs = true
 disallow_untyped_defs = true
@@ -93,9 +79,6 @@ warn_no_return = true
 warn_unreachable = true
 strict_equality = true
 
-[tool.bandit]
-exclude_dirs = [ ".venv", "__pycache__", ".git", "htmlcov", "tests" ]
-
 [tool.coverage.run]
 source = [ "src" ]
 branch = true
@@ -117,8 +100,8 @@ skip_covered = false
 [tool.coverage.html]
 directory = "htmlcov"
 
+
 [tool.vulture]
 min_confidence = 80
-exclude = [ "__pycache__" ]
 ignore_names = [ "cls" ]
-paths = [ "src", "tests" ]
+paths = [ "src" ]