DrawPixmap Memory leak

The use of DrawPixmap(or any other Functions) don't free it used temporary Memory !?

Strict

Graphics 800,600,0

Cls
SetColor 255,0,0
DrawOval 0,0,256,256

Local testpixmap = GrabPixmap(0,0,256,256)

Repeat
Cls

DrawPixmap testpixmap,100,100

DrawText "Mem Alloced: "+MemAlloced(), 10,10

Flip
'FlushMem()
Until KeyHit(KEY_ESCAPE)