diff --git a/tests/compute/builtin/nodes/test_cloud.py b/tests/compute/builtin/nodes/test_cloud.py
index 49c663c1..09506b45 100644
--- a/tests/compute/builtin/nodes/test_cloud.py
+++ b/tests/compute/builtin/nodes/test_cloud.py
@@ -31,7 +31,7 @@ def nio():
 
 
 @pytest.fixture
-async def manager(event_loop):
+async def manager():
 
     m = MagicMock()
     m.module_name = "builtins"
@@ -113,7 +113,7 @@ def test_json_without_ports(on_gns3vm, compute_project, manager):
     }
 
 
-async def test_update_port_mappings(event_loop, on_gns3vm, compute_project):
+async def test_update_port_mappings(on_gns3vm, compute_project):
     """
     We don't allow an empty interface in the middle of port list
     """
@@ -153,7 +153,7 @@ async def test_update_port_mappings(event_loop, on_gns3vm, compute_project):
     assert cloud.ports_mapping == ports1
 
 
-async def test_linux_ethernet_raw_add_nio(event_loop, linux_platform, compute_project, nio):
+async def test_linux_ethernet_raw_add_nio(linux_platform, compute_project, nio):
     ports = [
         {
             "interface": "eth0",
@@ -180,7 +180,7 @@ async def test_linux_ethernet_raw_add_nio(event_loop, linux_platform, compute_pr
     ])
 
 
-async def test_linux_ethernet_raw_add_nio_bridge(event_loop, linux_platform, compute_project, nio):
+async def test_linux_ethernet_raw_add_nio_bridge(linux_platform, compute_project, nio):
     """
     Bridge can't be connected directly to a cloud we use a tap in the middle
     """
diff --git a/tests/compute/docker/test_docker.py b/tests/compute/docker/test_docker.py
index 342f0efa..12e47342 100644
--- a/tests/compute/docker/test_docker.py
+++ b/tests/compute/docker/test_docker.py
@@ -25,7 +25,7 @@ from gns3server.compute.docker.docker_error import DockerError, DockerHttp404Err
 
 
 @pytest.fixture
-async def vm(event_loop):
+async def vm():
 
     vm = Docker()
     vm._connected = True
diff --git a/tests/compute/docker/test_docker_vm.py b/tests/compute/docker/test_docker_vm.py
index 8d1cabf0..81825eba 100644
--- a/tests/compute/docker/test_docker_vm.py
+++ b/tests/compute/docker/test_docker_vm.py
@@ -35,7 +35,7 @@ pytestmark = pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supp
 
 
 @pytest.fixture()
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = Docker.instance()
     m.port_manager = port_manager
@@ -43,7 +43,7 @@ async def manager(event_loop, port_manager):
 
 
 @pytest.fixture(scope="function")
-async def vm(event_loop, compute_project, manager):
+async def vm(compute_project, manager):
 
     vm = DockerVM("test", str(uuid.uuid4()), compute_project, manager, "ubuntu:latest")
     vm._cid = "e90e34656842"
diff --git a/tests/compute/dynamips/test_dynamips_manager.py b/tests/compute/dynamips/test_dynamips_manager.py
index aa28356e..11bbdfc0 100644
--- a/tests/compute/dynamips/test_dynamips_manager.py
+++ b/tests/compute/dynamips/test_dynamips_manager.py
@@ -29,7 +29,7 @@ from tests.utils import asyncio_patch, AsyncioMagicMock
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = Dynamips.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/dynamips/test_dynamips_router.py b/tests/compute/dynamips/test_dynamips_router.py
index 46fad4ef..1f3d0a21 100644
--- a/tests/compute/dynamips/test_dynamips_router.py
+++ b/tests/compute/dynamips/test_dynamips_router.py
@@ -26,7 +26,7 @@ from gns3server.config import Config
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = Dynamips.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/iou/test_iou_vm.py b/tests/compute/iou/test_iou_vm.py
index c3aacfea..9d2c8d48 100644
--- a/tests/compute/iou/test_iou_vm.py
+++ b/tests/compute/iou/test_iou_vm.py
@@ -37,7 +37,7 @@ if not sys.platform.startswith("win"):
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = IOU.instance()
     m.port_manager = port_manager
@@ -45,7 +45,7 @@ async def manager(event_loop, port_manager):
 
 
 @pytest.fixture(scope="function")
-async def vm(event_loop, compute_project, manager, tmpdir, fake_iou_bin, iourc_file):
+async def vm(compute_project, manager, tmpdir, fake_iou_bin, iourc_file):
 
     vm = IOUVM("test", str(uuid.uuid4()), compute_project, manager, application_id=1)
     config = manager.config.get_section_config("IOU")
diff --git a/tests/compute/qemu/test_qcow2.py b/tests/compute/qemu/test_qcow2.py
index 6dca67f8..b14e631e 100644
--- a/tests/compute/qemu/test_qcow2.py
+++ b/tests/compute/qemu/test_qcow2.py
@@ -66,7 +66,7 @@ def test_invalid_empty_file(tmpdir):
 
 
 @pytest.mark.skipif(qemu_img() is None, reason="qemu-img is not available")
-async def test_rebase(event_loop, tmpdir):
+async def test_rebase(tmpdir):
 
     shutil.copy("tests/resources/empty8G.qcow2", str(tmpdir / "empty16G.qcow2"))
     shutil.copy("tests/resources/linked.qcow2", str(tmpdir / "linked.qcow2"))
diff --git a/tests/compute/qemu/test_qemu_vm.py b/tests/compute/qemu/test_qemu_vm.py
index 9d56371f..b35a21a5 100644
--- a/tests/compute/qemu/test_qemu_vm.py
+++ b/tests/compute/qemu/test_qemu_vm.py
@@ -34,7 +34,7 @@ from gns3server.compute.notification_manager import NotificationManager
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = Qemu.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/test_base_node.py b/tests/compute/test_base_node.py
index 6a1fd31f..50060e3a 100644
--- a/tests/compute/test_base_node.py
+++ b/tests/compute/test_base_node.py
@@ -29,7 +29,7 @@ from gns3server.compute.nios.nio_udp import NIOUDP
 
 
 @pytest.fixture(scope="function")
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = VPCS.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/test_manager.py b/tests/compute/test_manager.py
index f2b04d25..556072db 100644
--- a/tests/compute/test_manager.py
+++ b/tests/compute/test_manager.py
@@ -29,7 +29,7 @@ from gns3server.utils import force_unix_path
 
 
 @pytest.fixture(scope="function")
-async def vpcs(event_loop, port_manager):
+async def vpcs(port_manager):
 
     VPCS._instance = None
     vpcs = VPCS.instance()
@@ -38,7 +38,7 @@ async def vpcs(event_loop, port_manager):
 
 
 @pytest.fixture(scope="function")
-async def qemu(event_loop, port_manager):
+async def qemu(port_manager):
 
     Qemu._instance = None
     Qemu._init_config_disk = MagicMock()  # do not create the config.img image
diff --git a/tests/compute/test_project.py b/tests/compute/test_project.py
index 69298a6e..11870b62 100644
--- a/tests/compute/test_project.py
+++ b/tests/compute/test_project.py
@@ -33,7 +33,7 @@ from gns3server.config import Config
 
 
 @pytest.fixture(scope="function")
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = VPCS.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/traceng/test_traceng_vm.py b/tests/compute/traceng/test_traceng_vm.py
index 49cfd913..ce36a347 100644
--- a/tests/compute/traceng/test_traceng_vm.py
+++ b/tests/compute/traceng/test_traceng_vm.py
@@ -28,7 +28,7 @@ from gns3server.compute.notification_manager import NotificationManager
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = TraceNG.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/virtualbox/test_virtualbox_manager.py b/tests/compute/virtualbox/test_virtualbox_manager.py
index f441ebbf..ddbb28b9 100644
--- a/tests/compute/virtualbox/test_virtualbox_manager.py
+++ b/tests/compute/virtualbox/test_virtualbox_manager.py
@@ -29,7 +29,7 @@ from tests.utils import asyncio_patch
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = VirtualBox.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/virtualbox/test_virtualbox_vm.py b/tests/compute/virtualbox/test_virtualbox_vm.py
index 729274f7..766f0215 100644
--- a/tests/compute/virtualbox/test_virtualbox_vm.py
+++ b/tests/compute/virtualbox/test_virtualbox_vm.py
@@ -25,7 +25,7 @@ from gns3server.compute.virtualbox import VirtualBox
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = VirtualBox.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/vmware/test_vmware_manager.py b/tests/compute/vmware/test_vmware_manager.py
index 885f9e09..336ede54 100644
--- a/tests/compute/vmware/test_vmware_manager.py
+++ b/tests/compute/vmware/test_vmware_manager.py
@@ -21,7 +21,7 @@ from gns3server.compute.vmware import VMware
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = VMware.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/vmware/test_vmware_vm.py b/tests/compute/vmware/test_vmware_vm.py
index e9a43bec..2b34afa7 100644
--- a/tests/compute/vmware/test_vmware_vm.py
+++ b/tests/compute/vmware/test_vmware_vm.py
@@ -22,7 +22,7 @@ from gns3server.compute.vmware import VMware
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = VMware.instance()
     m.port_manager = port_manager
diff --git a/tests/compute/vpcs/test_vpcs_vm.py b/tests/compute/vpcs/test_vpcs_vm.py
index ef71adea..cff3bf4f 100644
--- a/tests/compute/vpcs/test_vpcs_vm.py
+++ b/tests/compute/vpcs/test_vpcs_vm.py
@@ -31,7 +31,7 @@ from gns3server.compute.notification_manager import NotificationManager
 
 
 @pytest.fixture
-async def manager(event_loop, port_manager):
+async def manager(port_manager):
 
     m = VPCS.instance()
     m.port_manager = port_manager
@@ -39,7 +39,7 @@ async def manager(event_loop, port_manager):
 
 
 @pytest.fixture(scope="function")
-async def vm(event_loop, compute_project, manager, tmpdir, ubridge_path):
+async def vm(compute_project, manager, tmpdir, ubridge_path):
 
     vm = VPCSVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", compute_project, manager)
     vm._vpcs_version = parse_version("0.9")
diff --git a/tests/conftest.py b/tests/conftest.py
index 01e89fe1..b8ee196c 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -24,8 +24,8 @@ sys.original_platform = sys.platform
 
 
 if sys.platform.startswith("win"):
-    @pytest.yield_fixture(scope="session")
-    def event_loop(request):
+    @pytest.fixture(scope="session")
+    def loop(request):
         """Return an event loop and destroy it at the end of test"""
 
         loop = asyncio.ProactorEventLoop()
@@ -72,7 +72,7 @@ def compute(controller):
 
 
 @pytest.fixture
-async def project(event_loop, tmpdir, controller):
+async def project(tmpdir, controller):
 
     return await controller.add_project(name="Test")
 
diff --git a/tests/controller/gns3vm/test_remote_gns3_vm.py b/tests/controller/gns3vm/test_remote_gns3_vm.py
index 32ea3b76..46e86056 100644
--- a/tests/controller/gns3vm/test_remote_gns3_vm.py
+++ b/tests/controller/gns3vm/test_remote_gns3_vm.py
@@ -55,7 +55,7 @@ async def test_start(gns3vm, controller):
     assert gns3vm.password == "world"
 
 
-async def test_start_invalid_vm(event_loop, gns3vm, controller):
+async def test_start_invalid_vm(gns3vm, controller):
 
     await controller.add_compute("r1",
                                  name="R1",
diff --git a/tests/controller/gns3vm/test_virtualbox_gns3_vm.py b/tests/controller/gns3vm/test_virtualbox_gns3_vm.py
index 70130aa1..31f6d738 100644
--- a/tests/controller/gns3vm/test_virtualbox_gns3_vm.py
+++ b/tests/controller/gns3vm/test_virtualbox_gns3_vm.py
@@ -25,7 +25,7 @@ from gns3server.controller.gns3vm.virtualbox_gns3_vm import VirtualBoxGNS3VM
 
 
 @pytest.fixture
-async def gns3vm(event_loop, controller):
+async def gns3vm(controller):
 
     vm = VirtualBoxGNS3VM(controller)
     vm.vmname = "GNS3 VM"
diff --git a/tests/controller/gns3vm/test_vmware_gns3_vm.py b/tests/controller/gns3vm/test_vmware_gns3_vm.py
index f96a72c8..9b256e31 100644
--- a/tests/controller/gns3vm/test_vmware_gns3_vm.py
+++ b/tests/controller/gns3vm/test_vmware_gns3_vm.py
@@ -21,7 +21,7 @@ from gns3server.controller.gns3vm.vmware_gns3_vm import VMwareGNS3VM
 
 
 @pytest.fixture
-async def gns3vm(event_loop, controller):
+async def gns3vm(controller):
 
     vm = VMwareGNS3VM(controller)
     vm.vmname = "GNS3 VM"
diff --git a/tests/controller/test_export_project.py b/tests/controller/test_export_project.py
index 206ebee2..206a3453 100644
--- a/tests/controller/test_export_project.py
+++ b/tests/controller/test_export_project.py
@@ -33,7 +33,7 @@ from gns3server.utils.asyncio import aiozipstream
 
 
 @pytest.fixture
-async def project(event_loop, controller):
+async def project(controller):
 
     p = Project(controller=controller, name="test")
     p.dump = MagicMock()
diff --git a/tests/controller/test_gns3vm.py b/tests/controller/test_gns3vm.py
index 33dafd7b..0058ed4c 100644
--- a/tests/controller/test_gns3vm.py
+++ b/tests/controller/test_gns3vm.py
@@ -47,7 +47,7 @@ def dummy_gns3vm(controller, dummy_engine):
     return vm
 
 
-async def test_list(event_loop, controller):
+async def test_list(controller):
 
     vm = GNS3VM(controller)
     with asyncio_patch("gns3server.controller.gns3vm.vmware_gns3_vm.VMwareGNS3VM.list", return_value=[{"vmname": "test", "vmx_path": "test"}]):
@@ -60,14 +60,14 @@ async def test_list(event_loop, controller):
         await vm.list("hyperv")
 
 
-async def test_json(event_loop, controller):
+async def test_json(controller):
 
     vm = GNS3VM(controller)
     assert vm.__json__() == vm._settings
 
 
 @pytest.mark.skipif(sys.platform.startswith("win"), reason="Not working well on Windows")
-async def test_update_settings(event_loop, controller):
+async def test_update_settings(controller):
 
     vm = GNS3VM(controller)
     vm.settings = {
diff --git a/tests/controller/test_import_project.py b/tests/controller/test_import_project.py
index f650823f..e80da797 100644
--- a/tests/controller/test_import_project.py
+++ b/tests/controller/test_import_project.py
@@ -166,7 +166,7 @@ async def test_import_with_images(tmpdir, controller):
     assert os.path.exists(path), path
 
 
-async def test_import_iou_linux_no_vm(event_loop, linux_platform, tmpdir, controller):
+async def test_import_iou_linux_no_vm(linux_platform, tmpdir, controller):
     """
     On non linux host IOU should be local if we don't have a GNS3 VM
     """
@@ -210,7 +210,7 @@ async def test_import_iou_linux_no_vm(event_loop, linux_platform, tmpdir, contro
         assert topo["topology"]["nodes"][0]["compute_id"] == "local"
 
 
-async def test_import_iou_linux_with_vm(event_loop, linux_platform, tmpdir, controller):
+async def test_import_iou_linux_with_vm(linux_platform, tmpdir, controller):
     """
     On non linux host IOU should be vm if we have a GNS3 VM configured
     """
@@ -255,7 +255,7 @@ async def test_import_iou_linux_with_vm(event_loop, linux_platform, tmpdir, cont
         assert topo["topology"]["nodes"][0]["compute_id"] == "vm"
 
 
-async def test_import_nat_non_linux(event_loop, windows_platform, tmpdir, controller):
+async def test_import_nat_non_linux(windows_platform, tmpdir, controller):
     """
     On non linux host NAT should be moved to the GNS3 VM
     """
@@ -300,7 +300,7 @@ async def test_import_nat_non_linux(event_loop, windows_platform, tmpdir, contro
         assert topo["topology"]["nodes"][0]["compute_id"] == "vm"
 
 
-async def test_import_iou_non_linux(event_loop, windows_platform, tmpdir, controller):
+async def test_import_iou_non_linux(windows_platform, tmpdir, controller):
     """
     On non linux host IOU should be moved to the GNS3 VM
     """
@@ -356,7 +356,7 @@ async def test_import_iou_non_linux(event_loop, windows_platform, tmpdir, contro
     mock.assert_called_with(controller._computes["vm"], project_id, project.path, os.path.join('project-files', 'iou', topo["topology"]["nodes"][0]['node_id']))
 
 
-async def test_import_node_id(event_loop, linux_platform, tmpdir, controller):
+async def test_import_node_id(linux_platform, tmpdir, controller):
     """
     When importing a node, node_id should change
     """
@@ -449,7 +449,7 @@ async def test_import_node_id(event_loop, linux_platform, tmpdir, controller):
         assert os.path.exists(os.path.join(project.path, "project-files", "iou", topo["topology"]["nodes"][0]["node_id"], "startup.cfg"))
 
 
-async def test_import_keep_compute_id(event_loop, windows_platform, tmpdir, controller):
+async def test_import_keep_compute_id(windows_platform, tmpdir, controller):
     """
     On linux host IOU should be moved to the GNS3 VM
     """
diff --git a/tests/test_config.py b/tests/test_config.py
index 2209e900..cdaa346e 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -53,7 +53,7 @@ def write_config(tmpdir, settings):
     return path
 
 
-def test_get_section_config(event_loop, tmpdir):
+def test_get_section_config(tmpdir):
 
     config = load_config(tmpdir, {
         "Server": {
@@ -63,7 +63,7 @@ def test_get_section_config(event_loop, tmpdir):
     assert dict(config.get_section_config("Server")) == {"host": "127.0.0.1"}
 
 
-def test_set_section_config(event_loop, tmpdir):
+def test_set_section_config(tmpdir):
 
     config = load_config(tmpdir, {
         "Server": {
@@ -77,7 +77,7 @@ def test_set_section_config(event_loop, tmpdir):
     assert dict(config.get_section_config("Server")) == {"host": "192.168.1.1", "local": "true"}
 
 
-def test_set(event_loop, tmpdir):
+def test_set(tmpdir):
 
     config = load_config(tmpdir, {
         "Server": {
@@ -90,7 +90,7 @@ def test_set(event_loop, tmpdir):
     assert dict(config.get_section_config("Server")) == {"host": "192.168.1.1"}
 
 
-def test_reload(event_loop, tmpdir):
+def test_reload(tmpdir):
 
     config = load_config(tmpdir, {
         "Server": {
diff --git a/tests/utils/test_asyncio.py b/tests/utils/test_asyncio.py
index 661d74fa..f9f45feb 100644
--- a/tests/utils/test_asyncio.py
+++ b/tests/utils/test_asyncio.py
@@ -44,7 +44,7 @@ async def test_exception_wait_run_in_executor():
 
 
 @pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
-async def test_subprocess_check_output(event_loop, tmpdir):
+async def test_subprocess_check_output(tmpdir):
 
     path = str(tmpdir / "test")
     result = await subprocess_check_output("echo", "-n", path)
diff --git a/tests/web/test_response.py b/tests/web/test_response.py
index 2ac00b9c..3c29abcb 100644
--- a/tests/web/test_response.py
+++ b/tests/web/test_response.py
@@ -39,7 +39,7 @@ def response():
 #     assert response.status == 200
 
 
-async def test_response_file_not_found(event_loop, tmpdir, response):
+async def test_response_file_not_found(tmpdir, response):
 
     filename = str(tmpdir / 'hello-not-found')
     with pytest.raises(HTTPNotFound):