diff --git a/bac_analyze.py b/bac_analyze.py
index afb7f3a..c3808c0 100755
--- a/bac_analyze.py
+++ b/bac_analyze.py
@@ -12,7 +12,11 @@ import sys
 from collections import defaultdict
 from pathlib import Path
 
-import matplotlib.pyplot as plt
+try:
+    import matplotlib.pyplot as plt
+    HAS_MATPLOTLIB = True
+except ImportError:
+    HAS_MATPLOTLIB = False
 
 
 def load_transactions(json_files: list[Path]) -> list[dict]:
@@ -204,6 +208,10 @@ def main():
         if not path.exists():
             sys.exit(f"Error: File not found: {path}")
 
+    # Check matplotlib early if graph requested
+    if args.graph and not HAS_MATPLOTLIB:
+        sys.exit("Error: matplotlib is required for graphs. Install with: pip install matplotlib")
+
     # Load categories
     if not args.categories.exists():
         sys.exit(f"Error: Categories file not found: {args.categories}")
diff --git a/setup.py b/setup.py
deleted file mode 100644
index df5f98f..0000000
--- a/setup.py
+++ /dev/null
@@ -1,16 +0,0 @@
-from setuptools import setup
-
-setup(
-    name="bac-import",
-    description="Extract and analyze BAC Costa Rica credit card statements",          
-    author="Fabian Montero <fabian@posixlycorrect.com>", 
-    version="0.1.0",
-    py_modules=["bac_extract", "bac_analyze"],
-    install_requires=["pdfplumber>=0.10.0", "matplotlib>=3.5.0"],
-    entry_points={
-        "console_scripts": [
-            "bac-extract=bac_extract:main",
-            "bac-analyze=bac_analyze:main",
-        ],
-    },
-)