diff --git a/deepspeech/io/collator.py b/deepspeech/io/collator.py
index ecf7024c1..1061f97cf 100644
--- a/deepspeech/io/collator.py
+++ b/deepspeech/io/collator.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import io
-import time
 from collections import namedtuple
 from typing import Optional
 
diff --git a/deepspeech/io/dataset.py b/deepspeech/io/dataset.py
index 92c60f35c..3fc4e9887 100644
--- a/deepspeech/io/dataset.py
+++ b/deepspeech/io/dataset.py
@@ -11,7 +11,6 @@
 # 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.
-import io
 from typing import Optional
 
 from paddle.io import Dataset