diff --git a/README.md b/README.md
index 812d053..0c1847a 100644
--- a/README.md
+++ b/README.md
@@ -82,83 +82,3 @@ dev.disconnect()
 #.    build_version, bin_width, vendor, platform, os, software_version, ...
 # others are read/write:
 #.    work_code, mac_address, ip_address, password (commkey), port, device_time
-# fpmachine
-python driver for fingerprint machine (ZKTeco biometrics)
-# support
-until now 2 model supported and tested ZMM100_TFT and ZMM220_TFT
-# usage
-```python
-from fpmachine.devices import ZMM220_TFT
-
-# create a device with ip, port and encoding
-dev = ZMM220_TFT("192.168.1.3", 4370, "latin-1")
-
-# connect and pass commkey default=0
-dev.connect(2020)
-
-# get users
-users = dev.get_users()
-
-# get attendance logs
-att_logs = dev.get_att_logs()
-
-# get fingerprints
-fps = dev.get_fps()
-
-# get face data passing person_id
-face = dev.get_user_face("34002")
-
-# get user picture passing person_id
-pic = dev.get_user_pic("34002")
-
-# get machine state
-state = dev.get_state()
-
-# set user pic passing person_id and bytes (pic data)
-dev.set_user_pic("34002", pic_data)
-
-# set user face passing person_id and bytes (face data)
-dev.set_user_face("34002", face_data)
-
-# set user at specific serial (id) passing UserInfo that 
-dev.set_user(user_info)
-
-# set fingerprint passing FPInfo struct that contain user serial and finger id
-dev.set_fp(fp_info)
-
-# set all fingerprints
-dev.set_fps(fp_info_list)
-
-# use delete function with caution
-
-# delete user passing user serial (id) not person id
-dev.del_user(id)
-
-# delete user pic passing person_id
-dev.del_user_pic("34002")
-
-# delete user face passing person_id
-dev.del_user_face("34002")
-
-# delete fingerprint passing person_id and finger_id
-dev.del_fp("34002", 5)
-# delete all users
-dev.del_users()
-
-# delete all admins
-dev.del_admins()
-
-# delete all fingerprints
-dev.del_fps()
-
-# delete all attendance logs
-dev.del_att_logs()
-
-# disconnect
-dev.disconnect()
-
-# note the device object has properties some of them are readonly:
-#.    id, name, product_time, serial_number, language, finger_fun_on, face_fun_on, zk_face_version, biometric_type, 
-#.    build_version, bin_width, vendor, platform, os, software_version, ...
-# others are read/write:
-#.    work_code, mac_address, ip_address, password (commkey), port, device_time