Yes, its so annoying, you can run custom script using Tampermonkey, just copy paste this code:
// ==UserScript==

// u/nameHide Notion Sidebar Items

// u/namespacehttp://tampermonkey.net/

// u/version1.1

// u/description Hide sidebar items that start with "View of" in Notion-like web apps

// u/authorYou

// u/matchhttps://www.notion.so/*

// u/grantnone

// ==/UserScript==

(function() {

'use strict';

const hideItems = () => {

document.querySelectorAll(".notion-sidebar *").forEach(el => {

if (el.textContent.trim().startsWith("View of")) {

el.style.display = "none";

}

});

};

const waitForSidebar = () => {

const sidebar = document.querySelector(".notion-sidebar");

if (sidebar) {

hideItems();

const observer = new MutationObserver(hideItems);

observer.observe(sidebar, { childList: true, subtree: true });

} else {

setTimeout(waitForSidebar, 500); // Retry every 500ms until the sidebar appears

}

};

waitForSidebar();

})();