diff --git a/services/phew/src/chall.py b/services/phew/src/chall.py
deleted file mode 100644
index e9f22e7..0000000
--- a/services/phew/src/chall.py
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/env python3
-
-from Pailier import *
-from Crypto.Util.number import *
-with open("/flag.txt", "rb") as f:
-    flag = f.read()
-flag = bytes_to_long(flag)
-cipher = pailier()
-while True:
-    print("1. encrypt")
-    print("2. bingo")
-    print("3. decrypt")
-    print("4. exit")
-    inp = int(input("> "))
-    if inp==1:
-        print("pt (hex)")
-        inp = input("> ")
-        ct = cipher.encrypt(int(inp,16))
-        print('ct : ','{0:x}'.format(ct))
-    elif inp==2:
-        ct = cipher.encrypt(flag)
-        print('ct : ','{0:x}'.format(ct))
-    elif inp==3:
-        print("ct (hex)")
-        inp = input("> ")
-        pt = cipher.decrypt(int(inp,16))
-        print('pt : ','{0:x}'.format(pt))
-    else:
-        exit()