diff --git a/neo4j/__init__.py b/neo4j/__init__.py
index 7567d91f4..12627494a 100644
--- a/neo4j/__init__.py
+++ b/neo4j/__init__.py
@@ -651,8 +651,6 @@ def _run_transaction(self, access_mode, unit_of_work, *args, **kwargs):
         if not callable(unit_of_work):
             raise TypeError("Unit of work is not callable")
 
-        metadata = getattr(unit_of_work, "metadata", None)
-        print(metadata)    # TODO
         retry_delay = retry_delay_generator(INITIAL_RETRY_DELAY,
                                             RETRY_DELAY_MULTIPLIER,
                                             RETRY_DELAY_JITTER_FACTOR)
diff --git a/test/integration/test_session.py b/test/integration/test_session.py
index 4f3cfab51..257c2fa4e 100644
--- a/test/integration/test_session.py
+++ b/test/integration/test_session.py
@@ -19,10 +19,13 @@
 # limitations under the License.
 
 
+import sys
 from time import sleep
 from unittest import SkipTest
 from uuid import uuid4
 
+from six import StringIO
+
 from neo4j import \
     READ_ACCESS, WRITE_ACCESS, \
     CypherError, SessionError, TransactionError, unit_of_work, Statement
@@ -543,6 +546,20 @@ def test_large_values(self):
             session.run("RETURN '{}'".format("A" * 2 ** 20))
             session.close()
 
+    def test_nothing_written_to_stdout_during_session(self):
+        captured_output = StringIO()
+        sys.stdout = captured_output
+
+        def work(tx):
+            return tx.run("RETURN 1")
+
+        with self.driver.session() as session:
+            session.write_transaction(work)
+
+        sys.stdout = sys.__stdout__
+
+        self.assertEqual(captured_output.getvalue(), "")
+
 
 class TransactionCommittedTestCase(DirectIntegrationTestCase):
 
diff --git a/test/requirements.txt b/test/requirements.txt
index 8f7c845b8..013fbbfaa 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -4,5 +4,6 @@ mock
 pytest
 pytest-benchmark
 pytest-cov
+six
 teamcity-messages
 tox