diff --git a/RegFPwithHash/platformio.ini b/RegFPwithHash/platformio.ini
index f0c71a517482417c01728983c624010add4bb366..1dc7ea0bbe1ce1f9561069a56ddd3aaa82748cfd 100644
--- a/RegFPwithHash/platformio.ini
+++ b/RegFPwithHash/platformio.ini
@@ -6,7 +6,5 @@ platform = teensy
 
 build_flags = 
 	-I lib/DFRobot_ID809
-
-lib_deps = 
-	intrbiz/crypto
+	-I lib/SHA256