diff --git a/tests/async_client_test.py b/tests/async_client_test.py
index 2a3c817..e24b11b 100644
--- a/tests/async_client_test.py
+++ b/tests/async_client_test.py
@@ -141,7 +141,10 @@ from nio.api import (
     ThreadInclusion,
 )
 from nio.client.async_client import connect_wrapper, on_request_chunk_sent
-from nio.crypto import OlmDevice, Session, decrypt_attachment
+try:
+    from nio.crypto import OlmDevice, Session, decrypt_attachment
+except ImportError:
+    pass
 from nio.responses import PublicRoom, PublicRoomsResponse
 
 BASE_URL_V1 = f"https://example.org{MATRIX_API_PATH_V1}"
diff --git a/tests/conftest.py b/tests/conftest.py
index d9a5f50..2ce4377 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -12,8 +12,11 @@ from conftest_async import (  # noqa: F401
 )
 
 from nio import Client, ClientConfig, HttpClient
-from nio.crypto import Olm, OlmAccount, OlmDevice
-from nio.store import SqliteMemoryStore
+try:
+    from nio.crypto import Olm, OlmAccount, OlmDevice
+    from nio.store import SqliteMemoryStore
+except ImportError:
+    pass
 
 ALICE_ID = "@alice:example.org"
 ALICE_DEVICE_ID = "JLAFKJWSCS"
diff --git a/tests/helpers.py b/tests/helpers.py
index 63445b6..05096d1 100644
--- a/tests/helpers.py
+++ b/tests/helpers.py
@@ -26,8 +26,11 @@ from hyperframe.frame import (
     WindowUpdateFrame,
 )
 
-from nio.crypto import OlmAccount, OlmDevice
-from nio.store import Ed25519Key
+try:
+    from nio.crypto import OlmAccount, OlmDevice
+    from nio.store import Ed25519Key
+except ImportError:
+    pass
 
 SAMPLE_SETTINGS = {
     SettingsFrame.HEADER_TABLE_SIZE: 4096,