diff --git a/gext/fitting.py b/gext/fitting.py
index 811434ea1ea6720829fa553cdbd1dddd6c7a23cb..6b0e704d121143fe28d184fc9dd724fbd39e9145 100644
--- a/gext/fitting.py
+++ b/gext/fitting.py
@@ -49,9 +49,6 @@ class LeastSquare(AbstractFitting):
         "regularization": 0.0,
     }
 
-    def __init__(self, **kwargs):
-        super().__init__(**kwargs)
-
     def set_options(self, **kwargs):
         """Set options for least square minimization"""
         super().set_options(**kwargs)
@@ -75,9 +72,6 @@ class QuasiTimeReversible(AbstractFitting):
         "regularization": 0.0,
     }
 
-    def __init__(self, **kwargs):
-        super().__init__(**kwargs)
-
     def set_options(self, **kwargs):
         """Set options for quasi time reversible fitting"""
         super().set_options(**kwargs)