diff --git a/dash/development/_generate_prop_types.py b/dash/development/_generate_prop_types.py
index 92477ea0c5..ce9fb7c102 100644
--- a/dash/development/_generate_prop_types.py
+++ b/dash/development/_generate_prop_types.py
@@ -21,6 +21,7 @@
 
 _js_dist.append(dict(
     dev_package_path="proptypes.js",
+    dev_only=True,
     namespace="{namespace}"
 ))