diff --git a/pytest_tests/testsuites/object/test_object_api_bearer.py b/pytest_tests/testsuites/object/test_object_api_bearer.py
index 6ed75d55..992b137f 100644
--- a/pytest_tests/testsuites/object/test_object_api_bearer.py
+++ b/pytest_tests/testsuites/object/test_object_api_bearer.py
@@ -51,7 +51,7 @@ def user_container(
         endpoint=cluster.default_rpc_endpoint,
     )
     # Deliberately using s3gate wallet here to test bearer token
-    s3gate = cluster.s3gates[0]
+    s3gate = cluster.s3_gates[0]
     return StorageContainer(
         StorageContainerInfo(container_id, WalletInfo.from_node(s3gate)),
         client_shell,
@@ -106,7 +106,7 @@ class TestObjectApiWithBearerToken(ClusterTestBase):
             f"Object can be deleted from any node using s3gate wallet with bearer token for {request.node.callspec.id}"
         )
 
-        s3_gate_wallet = self.cluster.s3gates[0]
+        s3_gate_wallet = self.cluster.s3_gates[0]
         with allure.step("Try to delete each object from first storage node"):
             for storage_object in storage_objects:
                 with expect_not_raises():
@@ -142,7 +142,7 @@ class TestObjectApiWithBearerToken(ClusterTestBase):
             f"Object can be fetched from any node using s3gate wallet with bearer token for {request.node.callspec.id}"
         )
 
-        s3_gate_wallet = self.cluster.s3gates[0]
+        s3_gate_wallet = self.cluster.s3_gates[0]
         with allure.step("Put one object to container"):
             epoch = self.get_epoch()
             storage_object = user_container.generate_object(
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_object.py b/pytest_tests/testsuites/services/s3_gate/test_s3_object.py
index 9f174daf..65e24c69 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_object.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_object.py
@@ -925,7 +925,7 @@ class TestS3GateObject:
                     obj_head.get("Metadata") == object_metadata
                 ), f"Metadata of object is {object_metadata}"
                 # Uncomment after https://github.com/nspcc-dev/neofs-s3-gw/issues/685 is solved
-                # obj_acl = s3_client.get_object_acl(self.s3_client, bucket, obj_key)
+                # obj_acl = s3_client.get_object_acl(bucket, obj_key)
                 # s3_helper.assert_s3_acl(acl_grants = obj_acl, permitted_users = "AllUsers")
 
     @allure.title("Test S3 Put 10 nested level object")
@@ -976,8 +976,8 @@ class TestS3GateObject:
             s3_client.put_object(bucket, file_path)
 
         with allure.step("Delete the object from the bucket"):
-            delete_object = s3_client.delete_object(s3_client, bucket, file_name)
-            versions = s3_client.list_objects_versions(s3_client, bucket)
+            delete_object = s3_client.delete_object(bucket, file_name)
+            versions = s3_client.list_objects_versions(bucket)
 
             obj_versions = {
                 version.get("VersionId") for version in versions if version.get("Key") == file_name