diff --git a/paddlespeech/s2t/models/wav2vec2/modules/activations.py b/paddlespeech/s2t/models/wav2vec2/modules/activations.py
index 145d419e1..af42b8a47 100644
--- a/paddlespeech/s2t/models/wav2vec2/modules/activations.py
+++ b/paddlespeech/s2t/models/wav2vec2/modules/activations.py
@@ -12,7 +12,6 @@
 # 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.
-# Modified from speechbrain(https://github.com/speechbrain/speechbrain/blob/develop/speechbrain/nnet/activations.py).
 import math
 
 from paddle import nn