diff --git a/crates/pinakes-plugin-api/src/validation.rs b/crates/pinakes-plugin-api/src/validation.rs
index b7bb445..7b717fc 100644
--- a/crates/pinakes-plugin-api/src/validation.rs
+++ b/crates/pinakes-plugin-api/src/validation.rs
@@ -134,7 +134,10 @@ impl SchemaValidator {
   }
 
   /// Recursively validate a [`UiElement`] subtree.
-  pub fn validate_element(element: &UiElement, errors: &mut Vec<String>) {
+  pub(crate) fn validate_element(
+    element: &UiElement,
+    errors: &mut Vec<String>,
+  ) {
     match element {
       UiElement::Container { children, .. }
       | UiElement::Grid { children, .. }