diff --git a/frida/core.py b/frida/core.py
index 5941ef8..206d499 100644
--- a/frida/core.py
+++ b/frida/core.py
@@ -18,12 +18,6 @@ Cancellable = _frida.Cancellable
 def cancellable(f):
     @wraps(f)
     def wrapper(*args, cancellable=None, **kwargs):
-        if cancellable is None:
-            last_arg = args[-1]
-            if isinstance(last_arg, Cancellable):
-                cancellable = last_arg
-                args = args[:-1]
-
         if cancellable is None:
             return f(*args, **kwargs)