no need to make call for guests

public/src/client/topic/posts.js

@@ -140,6 +140,7 @@ define('forum/topic/posts', [
 			pids.push(posts[i].pid);
 		}
 
+		if (app.user.uid) {
 			socket.emit('posts.getPrivileges', pids, function(err, privileges) {
 				if(err) {
 					return app.alertError(err.message);
@@ -149,6 +150,11 @@ define('forum/topic/posts', [
 					toggleModTools(pids[i], privileges[i]);
 				}
 			});
+		} else {
+			for(i=0; i<pids.length; ++i) {
+				toggleModTools(pids[i], {editable:false, move: false});
+			}
+		}
 
 		Posts.processPage(html);
 	}