怎么去除artwork生成的gerber中的信息？

发现生成的gerber文件里有残余的信息，能识别出哪个设计软件生成的，并且版本等都能看出来，可以去除掉这些信息吗?
G04 ================== begin FILE IDENTIFICATION RECORD ==================*
G04 Layout Name:  D:/xxxxx/xxx/xx/allegro/xxxx.brd*
G04 Film Name:    TOP*
G04 File Format:  Gerber RS274X*
G04 File Origin:  15.7-p007*
G04 Origin Date:  Thu Mar 19 16:34:37 2009*
G04 *
G04 Layer:  ETCH/TOP*
G04 Layer:  PIN/TOP*
G04 Layer:  VIA CLASS/TOP*
G04 *
G04 Offset:    (0.00 0.00)*
G04 Mirror:    No*
G04 Mode:      Positive*
G04 Rotation:  0*
G04 FullContactRelief:  No*
G04 UndefLineWidth:     6.00*
G04 ================== end FILE IDENTIFICATION RECORD ====================*

;LEADER: 12
;HEADER:
;CODE  : ASCII
;FILE  : xxxx.drl for board xxxx.brd ... layers TOP and BOTTOM
;   Holesize 1. = 12.000000 Tolerance = +3.000000/-3.000000 PLATED MILS Quantity = 94
;   Holesize 2. = 24.000000 Tolerance = +3.000000/-3.000000 PLATED MILS Quantity = 6
;   Holesize 3. = 47.000000 Tolerance = +3.000000/-3.000000 PLATED MILS Quantity = 9
;   Holesize 4. = 83.000000 Tolerance = +2.000000/-2.000000 NON_PLATED MILS Quantity = 2
;   Holesize 5. = 160.000000 Tolerance = +2.000000/-2.000000 NON_PLATED MILS Quantity = 4
%