When you start to create a page, you will be presented a Create page form. In that page, you will have opportunity to select the page layouts for the new page. This howto will describe how to limits page layouts availability in create page.
See picture below, instead of having all page layouts listed – we only have 3 page layouts related to the site.
1. Open Site Settings, and click on “Page layouts and site templates”
2. Select “Pages in this site can only use the following layouts:” and subsequently select the page layouts for current site.
3. Click “OK” to apply your changes.