diff --git a/plugins/woocommerce/changelog/update-product-block-editor-disable-pft-feature-flag-as-default b/plugins/woocommerce/changelog/update-product-block-editor-disable-pft-feature-flag-as-default
new file mode 100644
index 00000000000..a4928fc2c40
--- /dev/null
+++ b/plugins/woocommerce/changelog/update-product-block-editor-disable-pft-feature-flag-as-default
@@ -0,0 +1,4 @@
+Significance: patch
+Type: update
+
+Product Block Editor: disable the `product-editor-template-system` feature flag as default, even for the development environment.
diff --git a/plugins/woocommerce/client/admin/config/development.json b/plugins/woocommerce/client/admin/config/development.json
index f6b5dd7e9d4..129c7b2ddc5 100644
--- a/plugins/woocommerce/client/admin/config/development.json
+++ b/plugins/woocommerce/client/admin/config/development.json
@@ -35,6 +35,6 @@
 		"wc-pay-welcome-page": true,
 		"async-product-editor-category-field": true,
 		"launch-your-store": true,
-		"product-editor-template-system": true
+		"product-editor-template-system": false
 	}
 }