First place is a user preference so every user wishing to have the change will need to do this on their own workstation.
1. Go to Tools from the top toolbar
2. Select options
3. Go to the records tab and highlight journal entry
4. Go to processes and change the setting for "automatically create balancing interfund entries" to NO

Then the second one is:
1. Go into configuration
2. Select business rules
3. Go to journal entry
4. Uncheck the box to automatically create balancing interfund entries.