Uninstall PostgreSQL 8.2 for MAC 10.6.8

Steps to uninstall PostgreSQL 8.4 (Assuming default locations) 

1) Stop the server and remove the service. 

sudo launchctl unload /Library/LaunchDaemons/com.edb.launchd.postgresql-8.4.plist 

2) Remove the plist file. 

sudo rm -f /Library/LaunchDaemons/com.edb.launchd.postgresql-8.4.plist  

3) Remove the Menu Icons 

sudo rm -rf /Applications/PostgreSQL/8.4

4) Remove the Installation Files. 

sudo rm -rf /Library/PostgreSQL/8.4  

5) Remove the postgres user. 

sudo dscl . delete /Users/postgres  

6) Remove the ini file 

sudo rm -f /etc/postgres-reg.ini  


This will uninstall PostgreSQL 8.4 cleanly from your mac.