diff --git a/python/paddle/nn/functional/__init__.py b/python/paddle/nn/functional/__init__.py
index 07e8b1f4d6d0fd855e0df298141435f415f2b000..00a4034ead58edbc9c6c7626ce5fa45791818609 100644
--- a/python/paddle/nn/functional/__init__.py
+++ b/python/paddle/nn/functional/__init__.py
@@ -131,7 +131,6 @@ from .loss import binary_cross_entropy_with_logits  #DEFINE_ALIAS
 from .loss import cross_entropy  #DEFINE_ALIAS
 from .loss import dice_loss  #DEFINE_ALIAS
 from .loss import hsigmoid_loss  #DEFINE_ALIAS
-from .loss import iou_similarity  #DEFINE_ALIAS
 from .loss import kl_div  #DEFINE_ALIAS
 from .loss import l1_loss  #DEFINE_ALIAS
 from .loss import log_loss  #DEFINE_ALIAS
@@ -145,7 +144,6 @@ from .loss import sigmoid_focal_loss  #DEFINE_ALIAS
 from .loss import smooth_l1_loss  #DEFINE_ALIAS
 from .loss import softmax_with_cross_entropy  #DEFINE_ALIAS
 from .loss import square_error_cost  #DEFINE_ALIAS
-from .loss import ssd_loss  #DEFINE_ALIAS
 # from .loss import teacher_student_sigmoid_loss  #DEFINE_ALIAS
 from .loss import ctc_loss  #DEFINE_ALIAS
 # from .norm import data_norm        #DEFINE_ALIAS
diff --git a/python/paddle/nn/functional/loss.py b/python/paddle/nn/functional/loss.py
index fa0789b762041fbc37076b120890fd43e059f4b2..c701274dbd0e2f9ca63a6a9a8da17d7041736f3e 100644
--- a/python/paddle/nn/functional/loss.py
+++ b/python/paddle/nn/functional/loss.py
@@ -24,13 +24,11 @@ import paddle.fluid as fluid
 from ...fluid.framework import core, in_dygraph_mode
 from ...fluid.layers.nn import _elementwise_op_in_dygraph
 from ...fluid.layers import dice_loss  #DEFINE_ALIAS
-from ...fluid.layers import iou_similarity  #DEFINE_ALIAS
 from ...fluid.layers import log_loss  #DEFINE_ALIAS
 from ...fluid.layers import npair_loss  #DEFINE_ALIAS
 from ...fluid.layers import reshape
 from ...fluid.layers import softmax_with_cross_entropy  #DEFINE_ALIAS
 from ...fluid.layers import square_error_cost  #DEFINE_ALIAS
-from ...fluid.layers import ssd_loss  #DEFINE_ALIAS
 
 from ...fluid.layers import edit_distance  #DEFINE_ALIAS
 from ...fluid.layers import sampled_softmax_with_cross_entropy  #DEFINE_ALIAS
@@ -46,7 +44,6 @@ __all__ = [
     'cross_entropy',
     'dice_loss',
     'hsigmoid_loss',
-    'iou_similarity',
     'kl_div',
     'l1_loss',
     'log_loss',
@@ -59,7 +56,6 @@ __all__ = [
     'smooth_l1_loss',
     'softmax_with_cross_entropy',
     'square_error_cost',
-    'ssd_loss',
     'ctc_loss',
 ]