diff --git a/audio/paddleaudio/metric/__init__.py b/audio/paddleaudio/metric/__init__.py
index d2b3a136..7ce6f5cf 100644
--- a/audio/paddleaudio/metric/__init__.py
+++ b/audio/paddleaudio/metric/__init__.py
@@ -11,6 +11,5 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from .dtw import dtw_distance
 from .eer import compute_eer
 from .eer import compute_minDCF