diff --git a/hydropandas/observation.py b/hydropandas/observation.py
index b523fa11..617fb8f0 100644
--- a/hydropandas/observation.py
+++ b/hydropandas/observation.py
@@ -895,10 +895,6 @@ class EvaporationObs(MeteoObs):
     Subclass of the MeteoObs class
     """
 
-    def __init__(self, *args, **kwargs):
-
-        super().__init__(*args, **kwargs)
-
     @property
     def _constructor(self):
         return EvaporationObs
@@ -1029,10 +1025,6 @@ class PrecipitationObs(MeteoObs):
     Subclass of the MeteoObs class
     """
 
-    def __init__(self, *args, **kwargs):
-
-        super().__init__(*args, **kwargs)
-
     @property
     def _constructor(self):
         return PrecipitationObs