How can I hide google search field in safari? When customizing safari toolbar I can't get rid of google's search field right next to address bar. Is there any secret preference tweak to achieve this?
You can use Safari Omnibar.



From the website:


  Features
  
  
  Unified location bar with search bar
  Search directly using location bar
  Quickly switch engines using search engine keywords
  Define new search engines
  


It works on Snow Leopard and Lion.

NB : it requires you to install SIMBL. See the FAQ on the website.