diff --git a/ppcls/utils/amp.py b/ppcls/utils/amp.py
deleted file mode 100644
index 187c9b42fdd176e3cfd8a6db32ea1712d1a19bde..0000000000000000000000000000000000000000
--- a/ppcls/utils/amp.py
+++ /dev/null
@@ -1,32 +0,0 @@
-import functools
-import paddle
-
-
-def AMP_forward_decorator(func):
-    @functools.wraps(func)
-    def wrapper(model, *args, **kwargs):
-        if AMPForwardDecorator.amp_level:
-            with paddle.amp.auto_cast(
-                    custom_black_list={
-                        "flatten_contiguous_range", "greater_than"
-                    },
-                    level=AMPForwardDecorator.amp_level):
-                return func(model, *args, **kwargs)
-        else:
-            return func(model, *args, **kwargs)
-
-    return wrapper
-
-
-class AMPForwardDecorator(object):
-    amp_level = None
-    amp_eval = None
-
-    def __init__(self, forward_func):
-        self.forward_func = forward_func
-
-    @functools.wraps
-    def __call__(self, model_obj, *args, **kwargs):
-        # print(type(self))
-        # print(type(model_obj))
-        return self.forward_func(model_obj, *args, **kwargs)