diff --git a/pssecret_server/utils.py b/pssecret_server/utils.py
index ea10ef5..0fe0b23 100644
--- a/pssecret_server/utils.py
+++ b/pssecret_server/utils.py
@@ -37,10 +37,7 @@ async def save_secret(data: Secret, redis: Redis) -> str:
 
 @lru_cache
 async def _is_getdel_available(redis: Redis) -> bool:
-    """Checks the availability of GETDEL command on the Redis server instance
-
-    GETDEL is not available in Redis prior to version 6.2
-    """
+    """GETDEL is not available in Redis prior to version 6.2"""
     try:
         await redis.getdel("test:getdel:availability")
     except ResponseError:
@@ -50,12 +47,6 @@ async def _is_getdel_available(redis: Redis) -> bool:
 
 
 async def getdel(redis: Redis, key: str) -> ResponseT:
-    """Gets the value of key and deletes the key
-
-    Depending on the capabilities of Redis server this function
-    will either call GETDEL command, either first call GETSET with empty string
-    and DEL right after that.
-    """
     result: ResponseT
 
     if await _is_getdel_available(redis):
diff --git a/tests/integration/test_utils.py b/tests/integration/test_utils.py
index 03ae701..0d9290d 100644
--- a/tests/integration/test_utils.py
+++ b/tests/integration/test_utils.py
@@ -1,6 +1,5 @@
-from unittest.mock import AsyncMock, patch
+from unittest.mock import AsyncMock, Mock, patch
 
-import pytest
 from redis.asyncio import Redis
 
 from pssecret_server.utils import get_new_key, getdel, save_secret
@@ -36,14 +35,27 @@ async def test_save_secret_data(redis_server: Redis) -> None:
     assert redis_data.decode() == secret.data
 
 
-@pytest.mark.parametrize("getdel_available", [True, False])
-@patch("pssecret_server.utils._is_getdel_available", new_callable=AsyncMock)
-async def test_getdel(
-    mock_is_getdel_available: AsyncMock,
-    getdel_available: bool,
-    redis_server: Redis,
+@patch("pssecret_server.utils._is_getdel_available", side_effect=AsyncMock())
+async def test_getdel_when_available(
+    is_getdel_available: Mock, redis_server: Redis
 ) -> None:
-    mock_is_getdel_available.return_value = getdel_available
+    is_getdel_available.side_effect.return_value = True
+
+    test_value = "test_data"
+    test_key = "test_key"
+    await redis_server.set(test_key, test_value)
+
+    result = await getdel(redis_server, test_key)
+
+    assert result.decode() == test_value
+    assert not await redis_server.exists(test_key)
+
+
+@patch("pssecret_server.utils._is_getdel_available", side_effect=AsyncMock())
+async def test_getdel_when_not_available(
+    is_getdel_available: Mock, redis_server: Redis
+) -> None:
+    is_getdel_available.side_effect.return_value = False
 
     test_value = "test_data"
     test_key = "test_key"
diff --git a/tests/unit/test_utils.py b/tests/unit/test_utils.py
index 0fa6100..321bb40 100644
--- a/tests/unit/test_utils.py
+++ b/tests/unit/test_utils.py
@@ -34,15 +34,18 @@ def test_secret_is_not_decryptable_by_random_key(fernet: Fernet):
         decrypt_secret(encrypted_secret.data.encode(), random_fernet)
 
 
-@pytest.mark.parametrize(
-    ("getdel_effect", "expected_result"), [(None, True), (ResponseError, False)]
-)
-async def test_is_getdel_available(
-    getdel_effect: ResponseError | None, expected_result: bool
-):
+async def test_is_getdel_available_when_supported():
     redis = AsyncMock()
-    redis.getdel.side_effect = getdel_effect  # pyright: ignore[reportAny]
 
     result = await _is_getdel_available(redis)
 
-    assert result is expected_result
+    assert result is True
+
+
+async def test_is_getdel_available_when_not_supported():
+    redis = AsyncMock()
+    redis.getdel.side_effect = ResponseError
+
+    result = await _is_getdel_available(redis)
+
+    assert result is False