This rule does not exist

Why does the hazel log indicate it's trying to run a rule that does not exist? I don't have firefox or flock installed on this computer.
2011-10-12 11:39:20.153 hazelfolderwatch[32927] DEBUG: Error reading file /Users/gregjsmith/Library/Application Support/Firefox/profiles.ini: Error Domain=NSCocoaErrorDomain Code=260 UserInfo=0x100734320 "The file “profiles.ini” couldn’t be opened because there is no such file." Underlying Error=(Error Domain=NSPOSIXErrorDomain Code=2 "The operation couldn’t be completed. No such file or directory")
2011-10-12 11:39:20.167 hazelfolderwatch[32927] DEBUG: Error reading file /Users/gregjsmith/Library/Application Support/Flock/profiles.ini: Error Domain=NSCocoaErrorDomain Code=260 UserInfo=0x100734c60 "The file “profiles.ini” couldn’t be opened because there is no such file." Underlying Error=(Error Domain=NSPOSIXErrorDomain Code=2 "The operation couldn’t be completed. No such file or directory")
2011-10-12 11:39:20.214 hazelfolderwatch[32927] DEBUG: Could not resolve alias. Old path: (null) Error: -50
2011-10-12 11:39:20.214 hazelfolderwatch[32927] DEBUG: Could not resolve alias. Old path: (null) Error: -50
2011-10-12 11:39:20.153 hazelfolderwatch[32927] DEBUG: Error reading file /Users/gregjsmith/Library/Application Support/Firefox/profiles.ini: Error Domain=NSCocoaErrorDomain Code=260 UserInfo=0x100734320 "The file “profiles.ini” couldn’t be opened because there is no such file." Underlying Error=(Error Domain=NSPOSIXErrorDomain Code=2 "The operation couldn’t be completed. No such file or directory")
2011-10-12 11:39:20.167 hazelfolderwatch[32927] DEBUG: Error reading file /Users/gregjsmith/Library/Application Support/Flock/profiles.ini: Error Domain=NSCocoaErrorDomain Code=260 UserInfo=0x100734c60 "The file “profiles.ini” couldn’t be opened because there is no such file." Underlying Error=(Error Domain=NSPOSIXErrorDomain Code=2 "The operation couldn’t be completed. No such file or directory")
2011-10-12 11:39:20.214 hazelfolderwatch[32927] DEBUG: Could not resolve alias. Old path: (null) Error: -50
2011-10-12 11:39:20.214 hazelfolderwatch[32927] DEBUG: Could not resolve alias. Old path: (null) Error: -50