diff --git a/pyproject.toml b/pyproject.toml
index f7fe013..fed6173 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,8 @@
 [build-system]
 requires = [
-  "setuptools>=64.0.0", "wheel>=0.37.0", "pip", "setuptools-git-versioning",
+  "setuptools>=64.0.0", "wheel>=0.37.0", "pip",
+  # https://setuptools-git-versioning.readthedocs.io/en/latest/differences.html
+  "setuptools-git-versioning",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -46,19 +48,17 @@ requires-python = ">=3.7, <4"
 scripts = {extract_otp_secret_keys = "extract_otp_secret_keys:sys_main"}
 urls = {Project-URL = "https://github.com/scito/extract_otp_secret_keys", Bug-Reports = "https://github.com/scito/extract_otp_secret_keys/issues", Source = "https://github.com/scito/extract_otp_secret_keys" }
 
-[tool.setuptools]
-py-modules = ["extract_otp_secret_keys", "protobuf_generated_python"]
+# TODO cleanup
+# [tool.setuptools]
+# py-modules = ["extract_otp_secret_keys", "protobuf_generated_python.protobuf_generated_python"]
 
-[tool.setuptools.dynamic]
+# [tool.setuptools.dynamic]
 # version = {attr = "extract_otp_secret_keys.VERSION"}
 
 [tool.setuptools-git-versioning]
 enabled = true
 
-[tool.setuptools.package-data]
-"extract_otp_secret_keys" = ["*.txt", "*.json", "*.csv", "*.png", "*.md"]
-
 # https://blog.ionelmc.ro/2014/05/25/python-packaging/#the-structure%3E
 # https://docs.pytest.org/en/7.1.x/explanation/goodpractices.html#which-import-mode
-[tool.pytest.ini_options]
-addopts = [ "--import-mode=importlib", ]
+# [tool.pytest.ini_options]
+# addopts = [ "--import-mode=importlib", ]
diff --git a/setup.cfg b/setup.cfg
index 8972bee..f5a68a3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -4,17 +4,9 @@ name = extract_otp_secret_keys
 [options]
 python_requires = >=3.7, <4
 py_modules = extract_otp_secret_keys, protobuf_generated_python.google_auth_pb2
-# install_requires =
-#     protobuf
-#     qrcode
-#     Pillow
-#     qreader
-#     pyzbar
-#     opencv-python
-#     typing_extensions;python_version<='3.7'
-packages = find:
 package_dir =
-    = src
+    =src
+# packages=find:
 
-[options.packages.find]
-where = src
+# [options.packages.find]
+# where=src
diff --git a/upgrade_deps.sh b/upgrade_deps.sh
index 4c7019e..dd808db 100755
--- a/upgrade_deps.sh
+++ b/upgrade_deps.sh
@@ -80,6 +80,7 @@ echo
 
 interactive=true
 ignore_version_check=true
+clean=false
 
 while test $# -gt 0; do
     case $1 in
@@ -91,6 +92,7 @@ while test $# -gt 0; do
             echo "Options:"
             echo "-a                      Automatic mode"
             echo "-C                      Ignore version check"
+            echo "-c                      Clean"
             echo "-h, --help              Help"
             quit
             ;;
@@ -102,6 +104,10 @@ while test $# -gt 0; do
             ignore_version_check=false
             shift
             ;;
+        -c)
+            clean=true
+            shift
+            ;;
     esac
 done
 
@@ -122,6 +128,12 @@ OLDVERSION=$(cat $BIN/$DEST/.VERSION.txt || echo "")
 echo -e "\nProtoc remote version $VERSION\n"
 echo -e "Protoc local version: $OLDVERSION\n"
 
+if $clean; then
+    cmd="rm -r dist/ build/ *.whl pytest.xml pytest-coverage.txt .coverage tests/reports || true; find . -name '*.pyc' -type f -delete; find . -name '__pycache__' -type d -exec rm -r {} \; || true; find . -name '*.egg-info' -type d -exec rm -r {} \; || true; find . -name '*_cache' -type d -exec rm -r {} \; || true"
+    if $interactive ; then askContinueYn "$cmd"; else echo -e "${cyan}$cmd${reset}";fi
+    eval "$cmd"
+fi
+
 if [ "$OLDVERSION" != "$VERSION" ] || ! $ignore_version_check; then
     echo "Upgrade protoc from $OLDVERSION to $VERSION"