diff --git a/torchquantum/pulse/hardware/__init__.py b/torchquantum/pulse/hardware/__init__.py
deleted file mode 100644
index d7e1c466..00000000
--- a/torchquantum/pulse/hardware/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-from .hardware import hardware
diff --git a/torchquantum/pulse/hardware/hardware.py b/torchquantum/pulse/hardware/hardware.py
deleted file mode 100644
index 76e78bf5..00000000
--- a/torchquantum/pulse/hardware/hardware.py
+++ /dev/null
@@ -1,11 +0,0 @@
-import torch
-import numpy as np
-import torchquantum as tq
-import torchdiffeq
-
-
-
-
-class Hardware(torch.nn.Module):
-    def __init__(self):
-        pass