Karma has to be suffered/enjoyed

कृतकर्मक्षयो नास्ति कल्पकोटिशतैरपि |

अवश्यमेव भोक्तव्यं कृतं कर्मं शुभाशुभम् || 39 ||

 

There is no disappearance of done karma even in a large number of kalpas (in a very long time). Good and bad karma done has to be invariably enjoyed/suffered.