Removing pages from search engine results

Question

Hey everyone, I\'m a bit new to SEO. I built a one page website that initially utilized several pages (but are now removed), and it looks as if Google has indexed those so that

Answer 1

Make sure that your server/application is sending correct 404 HTTP header on requests of non existing pages and wait.

Answer 2

Use a robots.txt file: Robots.txt

example robots.txt:

User-agent: *
Disallow: /url1.html
Disallow: /url2.html

Answer 3

<META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW">

Answer 4

Google has a page describing how to remove your site from their results.

Answer 5

You can use Robots exclusion rules. This site details it : http://www.robotstxt.org/