10 files changed, 10 insertions, 14 deletions
diff --git a/tests/rest/client/test_retention.py b/tests/rest/client/test_retention.py
index aee99bb6a0..f892a71228 100644
--- a/tests/rest/client/test_retention.py
+++ b/tests/rest/client/test_retention.py
@@ -12,7 +12,7 @@
 # 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 mock import Mock
+from unittest.mock import Mock
 
 from synapse.api.constants import EventTypes
 from synapse.rest import admin
diff --git a/tests/rest/client/test_shadow_banned.py b/tests/rest/client/test_shadow_banned.py
index d2cce44032..288ee12888 100644
--- a/tests/rest/client/test_shadow_banned.py
+++ b/tests/rest/client/test_shadow_banned.py
@@ -12,7 +12,7 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
-from mock import Mock, patch
+from unittest.mock import Mock, patch
 
 import synapse.rest.admin
 from synapse.api.constants import EventTypes
diff --git a/tests/rest/client/test_third_party_rules.py b/tests/rest/client/test_third_party_rules.py
index bf39014277..a7ebe0c3e9 100644
--- a/tests/rest/client/test_third_party_rules.py
+++ b/tests/rest/client/test_third_party_rules.py
@@ -14,8 +14,7 @@
 # limitations under the License.
 import threading
 from typing import Dict
-
-from mock import Mock
+from unittest.mock import Mock
 
 from synapse.events import EventBase
 from synapse.module_api import ModuleApi
diff --git a/tests/rest/client/test_transactions.py b/tests/rest/client/test_transactions.py
index 171632e195..3b5747cb12 100644
--- a/tests/rest/client/test_transactions.py
+++ b/tests/rest/client/test_transactions.py
@@ -1,4 +1,4 @@
-from mock import Mock, call
+from unittest.mock import Mock, call
 
 from twisted.internet import defer, reactor
 
diff --git a/tests/rest/client/v1/test_events.py b/tests/rest/client/v1/test_events.py
index 2ae896db1e..87a18d2cb9 100644
--- a/tests/rest/client/v1/test_events.py
+++ b/tests/rest/client/v1/test_events.py
@@ -15,7 +15,7 @@
 
 """ Tests REST events for /events paths."""
 
-from mock import Mock
+from unittest.mock import Mock
 
 import synapse.rest.admin
 from synapse.rest.client.v1 import events, login, room
diff --git a/tests/rest/client/v1/test_login.py b/tests/rest/client/v1/test_login.py
index 988821b16f..c7b79ab8a7 100644
--- a/tests/rest/client/v1/test_login.py
+++ b/tests/rest/client/v1/test_login.py
@@ -16,10 +16,9 @@
 import time
 import urllib.parse
 from typing import Any, Dict, List, Optional, Union
+from unittest.mock import Mock
 from urllib.parse import urlencode
 
-from mock import Mock
-
 import pymacaroons
 
 from twisted.web.resource import Resource
diff --git a/tests/rest/client/v1/test_presence.py b/tests/rest/client/v1/test_presence.py
index 94a5154834..c136827f79 100644
--- a/tests/rest/client/v1/test_presence.py
+++ b/tests/rest/client/v1/test_presence.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from mock import Mock
+from unittest.mock import Mock
 
 from twisted.internet import defer
 
diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py
index 715414a310..4df20c90fd 100644
--- a/tests/rest/client/v1/test_rooms.py
+++ b/tests/rest/client/v1/test_rooms.py
@@ -20,10 +20,9 @@
 
 import json
 from typing import Iterable
+from unittest.mock import Mock
 from urllib import parse as urlparse
 
-from mock import Mock
-
 import synapse.rest.admin
 from synapse.api.constants import EventContentFields, EventTypes, Membership
 from synapse.handlers.pagination import PurgeStatus
diff --git a/tests/rest/client/v1/test_typing.py b/tests/rest/client/v1/test_typing.py
index 329dbd06de..0b8f565121 100644
--- a/tests/rest/client/v1/test_typing.py
+++ b/tests/rest/client/v1/test_typing.py
@@ -16,7 +16,7 @@
 
 """Tests REST events for /rooms paths."""
 
-from mock import Mock
+from unittest.mock import Mock
 
 from synapse.rest.client.v1 import room
 from synapse.types import UserID
diff --git a/tests/rest/client/v1/utils.py b/tests/rest/client/v1/utils.py
index 8a4dddae2b..a6a292b20c 100644
--- a/tests/rest/client/v1/utils.py
+++ b/tests/rest/client/v1/utils.py
@@ -21,8 +21,7 @@ import re
 import time
 import urllib.parse
 from typing import Any, Dict, Mapping, MutableMapping, Optional
-
-from mock import patch
+from unittest.mock import patch
 
 import attr