PaddlePaddle
diff --git a/‎python/paddle/nn/functional/loss.py
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+2-17Lines changed: 2 additions & 17 deletions b/‎python/paddle/nn/functional/loss.py
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+2-17Lines changed: 2 additions & 17 deletions
diff --git a/‎python/paddle/static/nn/__init__.py
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-14Lines changed: 0 additions & 14 deletions b/‎python/paddle/static/nn/__init__.py
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-14Lines changed: 0 additions & 14 deletions
@@ -575,24 +575,9 @@ def edit_distance(
 
     # remove some tokens from input and labels
     if ignored_tokens is not None and len(ignored_tokens) > 0:
-        erased_input = helper.create_variable_for_type_inference(dtype="int64")
-        erased_label = helper.create_variable_for_type_inference(dtype="int64")
-
-        helper.append_op(
-            type="sequence_erase",
-            inputs={"X": [input]},
-            outputs={"Out": [erased_input]},
-            attrs={"tokens": ignored_tokens},
-        )
-        input = erased_input
-
-        helper.append_op(
-            type="sequence_erase",
-            inputs={"X": [label]},
-            outputs={"Out": [erased_label]},
-            attrs={"tokens": ignored_tokens},
+        raise ValueError(
+            f'Expected ignored_tokens is None (got {ignored_tokens})'
         )
-        label = erased_label
 
     if in_dynamic_mode():
         return _C_ops.edit_distance(
 
@@ -38,18 +38,11 @@
 from .loss import nce
 from .sequence_lod import (
     sequence_conv,
-    sequence_enumerate,
     sequence_expand,
-    sequence_expand_as,
     sequence_first_step,
     sequence_last_step,
-    sequence_pad,
     sequence_pool,
-    sequence_reshape,
-    sequence_scatter,
-    sequence_slice,
     sequence_softmax,
-    sequence_unpad,
 )
 from .static_pylayer import static_pylayer
 
@@ -83,13 +76,6 @@
     'sequence_pool',
     'sequence_first_step',
     'sequence_last_step',
-    'sequence_slice',
     'sequence_expand',
-    'sequence_expand_as',
-    'sequence_pad',
-    'sequence_unpad',
-    'sequence_reshape',
-    'sequence_scatter',
-    'sequence_enumerate',
     'prelu',
 ]