diff --git a/airflow/configuration.py b/airflow/configuration.py
index 22e2c6abf702d..81eb0fc725344 100644
--- a/airflow/configuration.py
+++ b/airflow/configuration.py
@@ -856,7 +856,7 @@ def mask_secrets(self):
 
         for section, key in self.sensitive_config_values:
             try:
-                value = self.get(section, key)
+                value = self.get(section, key, suppress_warnings=True)
             except AirflowConfigException:
                 log.debug(
                     "Could not retrieve value from section %s, for key %s. Skipping redaction of this conf.",