diff --git a/mjai/bot/key.txt b/mjai/bot/key.txt
deleted file mode 100644
index 454f6b3..0000000
--- a/mjai/bot/key.txt
+++ /dev/null
@@ -1 +0,0 @@
-0123456789abcdef
\ No newline at end of file
diff --git a/mjai/bot/model.py b/mjai/bot/model.py
index 214227b..1d65f24 100644
--- a/mjai/bot/model.py
+++ b/mjai/bot/model.py
@@ -250,8 +250,6 @@ def __init__(
         boltzmann_epsilon = 0,
         boltzmann_temp = 1,
         top_p = 1,
-        r = False,
-        key = "",
     ):
         self.engine_type = 'mortal'
         self.device = device or torch.device('cpu')
@@ -270,8 +268,6 @@ def __init__(
         self.boltzmann_epsilon = boltzmann_epsilon
         self.boltzmann_temp = boltzmann_temp
         self.top_p = top_p
-        self.r = r
-        self.key = key
 
     def react_batch(self, obs, masks, invisible_obs):
         with (
@@ -340,15 +336,6 @@ def load_model(seat: int) -> riichi.mjai.Bot:
     control_state_file = pathlib.Path(__file__).parent / control_state_file
     state = torch.load(control_state_file, map_location=device)
 
-    key = ""
-    if 'r' in state['config']:
-        del state
-        from . import obfuscated_model
-        engine = obfuscated_model.IIIIIllllll()
-        return riichi.mjai.Bot(engine, seat)
-    else:
-        r = False
-
     mortal = Brain(version=state['config']['control']['version'], conv_channels=state['config']['resnet']['conv_channels'], num_blocks=state['config']['resnet']['num_blocks']).eval()
     dqn = DQN(version=state['config']['control']['version']).eval()
     mortal.load_state_dict(state['mortal'])
@@ -364,8 +351,6 @@ def load_model(seat: int) -> riichi.mjai.Bot:
         enable_rule_based_agari_guard = False,
         name = 'mortal',
         version = state['config']['control']['version'],
-        r = r,
-        key = key,
     )
 
     bot = riichi.mjai.Bot(engine, seat)