Leaving out unhelpful advisor from acknowledgements?
From your comment:


  ereading the guidance provided, it says the following: 11.6.5 Acknowledgements It is common courtesy that you acknowledge assistance received whilst undertaking the project and preparing the dissertation. You should consider carefully all forms of assistance received and these may encompass academic, technical, secretarial, administrative and personal assistance (e.g. family and friends). A set of simple statements is usually appropriate and adequate acknowledgement should not normally exceed one page.


As your academic supervisor is the one that probably will sign off on your dissertation (if that is the custom where you are) and at the very least, filled the necessary role of having a supervisor - then at the very least, he/she has helped in an administrative sense. However, consider that there may have been a lot of activity 'behind the scenes'.

But, it is always polite to acknowledge your supervisor in a positive manner - realistically though, it is the content of your work that will matter.