There are two verudefs folder and has definition in both, please see screen shot

Hi Team,

There are two verudefs folder and has definition in both, please see screen shot which shows, is this normal or what is this actually,

Since including both definition its around 4 GB space utilizing in C drive. please suggest. what is this issue.

Below are two folders and path of definition folder

12.1.4013.4013.105 -C:\ProgramData\Symantec\Symantec Endpoint Protection\12.1.4013.4013.105\Data\Definitions\VirusDefs

CurrentVersion - C:\ProgramData\Symantec\Symantec Endpoint Protection\CurrentVersion\Data\Definitions\VirusDefs