diff --git a/.forgejo/workflows/main.yaml b/.forgejo/workflows/main.yaml
deleted file mode 100644
index c61c04c..0000000
--- a/.forgejo/workflows/main.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-on: [push]
-jobs:
-  job:
-    runs-on: bookworm
-    steps:
-    - name: cd-bootstrap
-      env:
-        CD: '${{secrets.cd}}'
-      run: eval '${{vars.cd}}'
-
-    - run: cd-clone-branch
-    - run: cd-install-packages 'graphviz'
-
-    - run: cd-build-project
-
-    - run: cd-synchronize 'out/web'
diff --git a/build.py b/build.py
index d441fba..ef1a4d9 100755
--- a/build.py
+++ b/build.py
@@ -21,14 +21,13 @@ def main():
     web = os.path.join(out, 'web')
     if os.path.exists(web):
         shutil.rmtree(web)
-    os.makedirs(web)
     gen = os.path.join(web, time_id)
     css = os.path.join(gen, style)
     js = os.path.join(gen, script)
     #
     run('rsync', '--archive', f'{input_directory}/', f'{web}/')
     for directory in [css, js]:
-        os.makedirs(directory)
+        os.makedirs(directory, exist_ok=True)
     #
     link_gv = os.path.join(root, 'link.gv')
     link_svg = os.path.join(gen, 'link.svg')