diff --git a/tests/conftest.py b/tests/conftest.py
index 299b25e..a0d0b1b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -3,7 +3,7 @@
 
 import pytest
 from pytest_qgis.utils import clean_qgis_layer
-from qgis.core import QgsFeature, QgsRasterLayer, QgsVectorLayer
+from qgis.core import Qgis, QgsFeature, QgsRasterLayer, QgsVectorLayer
 from qgis.gui import QgisInterface
 
 from los_tools.constants.field_names import FieldNames
@@ -220,3 +220,12 @@ def add_message(message, level):
         qgis_iface.messageBar().pushMessage("Patched", message, level=level, duration=0)
 
     return add_message
+
+
+@pytest.fixture(autouse=True, scope="function")
+def _clear_message_bar_messages(qgis_iface: QgisInterface):
+    mb = qgis_iface.messageBar()
+    mb.messages[Qgis.MessageLevel.Info] = []
+    mb.messages[Qgis.MessageLevel.Warning] = []
+    mb.messages[Qgis.MessageLevel.Critical] = []
+    mb.messages[Qgis.MessageLevel.Success] = []