diff --git a/tests/data/return/block-core.php b/tests/data/return/block-core.php
index ef2458b..0be2ab4 100644
--- a/tests/data/return/block-core.php
+++ b/tests/data/return/block-core.php
@@ -10,7 +10,6 @@
 assertType('non-falsy-string', build_dropdown_script_block_core_categories(Faker::string()));
 
 // Submenu icon
-assertType('non-falsy-string', block_core_navigation_render_submenu_icon());
 assertType('non-falsy-string', block_core_shared_navigation_render_submenu_icon());
 
 // Render block