diff --git a/pyproject.toml b/pyproject.toml
index c6cc053a..9d7a12c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,6 @@ dependencies = [
 [project.optional-dependencies]
 test = [
     "pytest >= 7.0.1",
-    "pytest-asyncio >= 0.20.1",
     "pytest-timeout >= 1.4.2",
     "pytest-cov >= 4.0.0",
     "mock >= 4.0.3"
diff --git a/src/powerapi/database/base_db.py b/src/powerapi/database/base_db.py
index 61bacc9b..624fdec7 100644
--- a/src/powerapi/database/base_db.py
+++ b/src/powerapi/database/base_db.py
@@ -73,15 +73,13 @@ class BaseDB:
     This class define the interface needed to fetch/save reports from/to a database.
     """
 
-    def __init__(self, report_type: type[Report], exceptions: list[type[Exception]] = None, is_async: bool = False):
+    def __init__(self, report_type: type[Report], exceptions: list[type[Exception]] = None):
         """
         :param report_type: The type of report expected
         :param exceptions: List of exception type raised by the database module
-        :param is_async: Whether the database use asyncio or not
         """
         self.report_type = report_type
         self.exceptions = exceptions or []
-        self.is_async = is_async
 
     def connect(self):
         """