Add the folders and files to your sublime-project file to exclude them from the sidebar.
{
"folders": [
{
"folder_exclude_patterns": [
"wp-includes",
"wp-admin",
"wp-content/plugins",
"wp-content/uploads",
"wp-content/languages",
"wp-content/upgrade",
"wp-content/wflogs",
"wp-content/ai1wm-backups",
"node_modules",
"wp-content/w3tc-config", // W3 total cache
"wp-content/cache", // W3 total cache
],
"path": "/your/project/path/here", // Add your project path
"file_exclude_patterns": [
"wp-config-sample.php",
"wp-app.php",
"wp-blog-header.php",
"wp-activate.php",
"wp-comments-post.php",
"wp-cron.php",
"wp-links-opml.php",
"wp-load.php",
"wp-login.php",
"wp-mail.php",
"wp-pass.php",
"wp-register.php",
"wp-settings.php",
"wp-signup.php",
"wp-trackback.php",
"xmlrpc.php",
"license.txt",
"readme.html"
]
}
]
}