diff --git a/pymc3/tests/test_smc.py b/pymc3/tests/test_smc.py
index 16472ea595..b688b251e0 100644
--- a/pymc3/tests/test_smc.py
+++ b/pymc3/tests/test_smc.py
@@ -12,7 +12,6 @@
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 
-import aesara
 import aesara.tensor as at
 import numpy as np
 import pytest