diff --git a/hooks/archive.py b/hooks/archive.py
index 39346a4..8cea943 100644
--- a/hooks/archive.py
+++ b/hooks/archive.py
@@ -26,12 +26,26 @@
 from pathspec.gitignore import GitIgnoreSpec
 from zipfile import ZipFile, ZIP_DEFLATED
 
+# -----------------------------------------------------------------------------
+# State
+# -----------------------------------------------------------------------------
+
+# Initialize incremental builds
+is_serve = False
+
 # -----------------------------------------------------------------------------
 # Hooks
 # -----------------------------------------------------------------------------
 
+# Determine whether we're serving the site
+def on_startup(command, dirty):
+    global is_serve
+    is_serve = command == "serve"
+
 # Create archives for all examples
 def on_post_build(config: MkDocsConfig):
+    if is_serve:
+        return
 
     # Read files to ignore from .gitignore
     with open(".gitignore") as f:
diff --git a/mkdocs.yml b/mkdocs.yml
index 79875ca..8cfc831 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -40,7 +40,6 @@ theme:
     - content.action.edit
     - content.action.view
     - content.tooltips
-    - navigation.indexes
     - navigation.sections
   icon:
     logo: logo
@@ -48,7 +47,6 @@ theme:
 # Plugins
 plugins:
   - projects:
-      cache: false
       projects_dir: examples
       projects_config_transform: !!python/name:examples.transform