diff --git a/changelog.d/9063.misc b/changelog.d/9063.misc
new file mode 100644
index 0000000000000000000000000000000000000000..22eed43147bfdcb1d1f50f08a2d792e5b0e11aa4
--- /dev/null
+++ b/changelog.d/9063.misc
@@ -0,0 +1 @@
+Removes unnecessary declarations in the tests for the admin API.
\ No newline at end of file
diff --git a/tests/rest/admin/test_admin.py b/tests/rest/admin/test_admin.py
index 0504cd187e63494ab5a7e54a3f91d652d78d6089..586b877bda76def3dd0ffc58b346fb977db88a48 100644
--- a/tests/rest/admin/test_admin.py
+++ b/tests/rest/admin/test_admin.py
@@ -58,8 +58,6 @@ class DeleteGroupTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.store = hs.get_datastore()
-
         self.admin_user = self.register_user("admin", "pass", admin=True)
         self.admin_user_tok = self.login("admin", "pass")
 
@@ -156,7 +154,6 @@ class QuarantineMediaTestCase(unittest.HomeserverTestCase):
 
     def prepare(self, reactor, clock, hs):
         self.store = hs.get_datastore()
-        self.hs = hs
 
         # Allow for uploading and downloading to/from the media repo
         self.media_repo = hs.get_media_repository_resource()
diff --git a/tests/rest/admin/test_event_reports.py b/tests/rest/admin/test_event_reports.py
index aa389df12f319851a7f478ecaa77645d73b09c24..d0090faa4fa2209943f059c634df5d2f12c494b9 100644
--- a/tests/rest/admin/test_event_reports.py
+++ b/tests/rest/admin/test_event_reports.py
@@ -32,8 +32,6 @@ class EventReportsTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.store = hs.get_datastore()
-
         self.admin_user = self.register_user("admin", "pass", admin=True)
         self.admin_user_tok = self.login("admin", "pass")
 
@@ -371,8 +369,6 @@ class EventReportDetailTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.store = hs.get_datastore()
-
         self.admin_user = self.register_user("admin", "pass", admin=True)
         self.admin_user_tok = self.login("admin", "pass")
 
diff --git a/tests/rest/admin/test_media.py b/tests/rest/admin/test_media.py
index c2b998cdae913352aeca4fcf061497bd1eeb924d..51a7731693cd1e2e955187bbd8ec93af13f18dbf 100644
--- a/tests/rest/admin/test_media.py
+++ b/tests/rest/admin/test_media.py
@@ -35,7 +35,6 @@ class DeleteMediaByIDTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.handler = hs.get_device_handler()
         self.media_repo = hs.get_media_repository_resource()
         self.server_name = hs.hostname
 
@@ -181,7 +180,6 @@ class DeleteMediaByDateSizeTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.handler = hs.get_device_handler()
         self.media_repo = hs.get_media_repository_resource()
         self.server_name = hs.hostname
 
diff --git a/tests/rest/admin/test_room.py b/tests/rest/admin/test_room.py
index fa620f97f38196d89246cb58a767483755272d3d..a0f32c5512c5159908ae97fe1370013338356209 100644
--- a/tests/rest/admin/test_room.py
+++ b/tests/rest/admin/test_room.py
@@ -605,8 +605,6 @@ class RoomTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.store = hs.get_datastore()
-
         # Create user
         self.admin_user = self.register_user("admin", "pass", admin=True)
         self.admin_user_tok = self.login("admin", "pass")
diff --git a/tests/rest/admin/test_statistics.py b/tests/rest/admin/test_statistics.py
index 73f8a8ec9923d084435cd8bfca013a311aa23fa2..f48be3d65aa06b63ea8b3c8e0d380615e506dfae 100644
--- a/tests/rest/admin/test_statistics.py
+++ b/tests/rest/admin/test_statistics.py
@@ -31,7 +31,6 @@ class UserMediaStatisticsTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.store = hs.get_datastore()
         self.media_repo = hs.get_media_repository_resource()
 
         self.admin_user = self.register_user("admin", "pass", admin=True)
diff --git a/tests/rest/admin/test_user.py b/tests/rest/admin/test_user.py
index 9b2e4765f69f6fbf1faaeb5f2f7fa4a224af9cfe..877fd2587b0e2f50977ebc1b0e5bc2448663f2f7 100644
--- a/tests/rest/admin/test_user.py
+++ b/tests/rest/admin/test_user.py
@@ -1204,8 +1204,6 @@ class UserMembershipRestTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.store = hs.get_datastore()
-
         self.admin_user = self.register_user("admin", "pass", admin=True)
         self.admin_user_tok = self.login("admin", "pass")
 
@@ -1401,7 +1399,6 @@ class UserMediaRestTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.store = hs.get_datastore()
         self.media_repo = hs.get_media_repository_resource()
 
         self.admin_user = self.register_user("admin", "pass", admin=True)
@@ -1868,8 +1865,6 @@ class WhoisRestTestCase(unittest.HomeserverTestCase):
     ]
 
     def prepare(self, reactor, clock, hs):
-        self.store = hs.get_datastore()
-
         self.admin_user = self.register_user("admin", "pass", admin=True)
         self.admin_user_tok = self.login("admin", "pass")