FPS drops after killing an enemy (Immortal Redneck)

I have the same config
percents: AMD FX(tm)-8300 Eight-core processor (8 cores)
vidyuhi: amd radeon (TM) R 7 360 series
sse 4.1-4.2
but the problem is that when I go to throw enemies 1 kill sits down to 3-4 fps and doesn't change the coordinates to MEAs long as I kill them from 60 fps or they me
and yesterday this nebylo help
PLEASE
Immortal redneck 1.1.1