"Database has large amounts of unused space" Error Message

Following databases have large amounts of space allocated on the disk but not in use. This may be due to recent deletion of data form the database, or because the database has been pre-grown to a larger size. This database will take up a larger amount of space on the file system unless it is shrunk down to a smaller size. WebAnalyticsServiceApplication_ReportingDB_0000000000000-000000000-00000000000 on DataBaseServer\SQLInstance

The database can be shrunk in size using the DBCC ShrinkDatabase command or the Shrink Database wizard in SQL Server Management Studio. For more information about this rule, see "http://go.microsoft.com/fwlink/?LinkID=167144".

SPTimerService (SPTimerV4)