diff --git a/src/pylife/materiallaws/woehlercurve.py b/src/pylife/materiallaws/woehlercurve.py
index 0d3c1cf1..3fe830a9 100644
--- a/src/pylife/materiallaws/woehlercurve.py
+++ b/src/pylife/materiallaws/woehlercurve.py
@@ -24,7 +24,6 @@
 
 
 @pd.api.extensions.register_series_accessor('woehler')
-@pd.api.extensions.register_dataframe_accessor('woehler')
 class WoehlerCurve(PylifeSignal):
     """A PylifeSignal accessor for Wöhler Curve data.
 
diff --git a/src/pylife/strength/fatigue.py b/src/pylife/strength/fatigue.py
index 70bc2e67..5cc6bf19 100644
--- a/src/pylife/strength/fatigue.py
+++ b/src/pylife/strength/fatigue.py
@@ -23,7 +23,6 @@
 
 
 @pd.api.extensions.register_series_accessor('fatigue')
-@pd.api.extensions.register_dataframe_accessor('fatigue')
 class Fatigue(WoehlerCurve):
     """Extension for ``WoehlerCurve`` accessor class for fatigue calculations.
 
diff --git a/src/pylife/strength/fkm_load_distribution.py b/src/pylife/strength/fkm_load_distribution.py
index 2bf60f17..172a7d35 100644
--- a/src/pylife/strength/fkm_load_distribution.py
+++ b/src/pylife/strength/fkm_load_distribution.py
@@ -74,7 +74,6 @@
 import pandas as pd
 from pylife import PylifeSignal
 
-@pd.api.extensions.register_dataframe_accessor("fkm_load_sequence")
 @pd.api.extensions.register_series_accessor("fkm_load_sequence")
 class FKMLoadSequence(PylifeSignal):
     """Base class used by the safety scaling method. It is used to compute the beta parameter
@@ -253,7 +252,6 @@ def _get_beta(self, input_parameters):
         raise ValueError(f"P_A={input_parameters.P_A} has to be one of "+"{"+", ".join(P_A_list)+"}.")
 
 
-@pd.api.extensions.register_dataframe_accessor("fkm_safety_normal_from_stddev")
 @pd.api.extensions.register_series_accessor("fkm_safety_normal_from_stddev")
 class FKMLoadDistributionNormal(FKMLoadSequence):
     r"""Series accessor to get a scaled up load series.
@@ -355,7 +353,6 @@ def scaled_load_sequence(self, input_parameters):
         return self.scaled_by_constant(gamma_L)
 
 
-@pd.api.extensions.register_dataframe_accessor("fkm_safety_lognormal_from_stddev")
 @pd.api.extensions.register_series_accessor("fkm_safety_lognormal_from_stddev")
 class FKMLoadDistributionLognormal(FKMLoadSequence):
     r"""Series accessor to get a scaled up load series.
@@ -447,7 +444,6 @@ def scaled_load_sequence(self, input_parameters):
         return self.scaled_by_constant(gamma_L)
 
 
-@pd.api.extensions.register_dataframe_accessor("fkm_safety_blanket")
 @pd.api.extensions.register_series_accessor("fkm_safety_blanket")
 class FKMLoadDistributionBlanket(FKMLoadSequence):
     r"""Series accessor to get a scaled up load series, i.e., a list of load values with included load safety,
diff --git a/src/pylife/strength/woehler_fkm_nonlinear.py b/src/pylife/strength/woehler_fkm_nonlinear.py
index 64fab37c..1294f0fe 100644
--- a/src/pylife/strength/woehler_fkm_nonlinear.py
+++ b/src/pylife/strength/woehler_fkm_nonlinear.py
@@ -27,7 +27,6 @@
 
 
 @pd.api.extensions.register_series_accessor('woehler_P_RAM')
-@pd.api.extensions.register_dataframe_accessor('woehler_P_RAM')
 class WoehlerCurvePRAM(PylifeSignal):
     """This class represents the type of (component) Wöhler curve that is used
     in the FKM nonlinear fatigue assessment with damage parameter P_RAM.
@@ -172,7 +171,6 @@ def fatigue_life_limit(self):
 
 
 @pd.api.extensions.register_series_accessor('woehler_P_RAJ')
-@pd.api.extensions.register_dataframe_accessor('woehler_P_RAJ')
 class WoehlerCurvePRAJ(PylifeSignal):
     """This class represents the type of (component) Wöhler curve that is used in the
     FKM nonlinear fatigue assessment with damage parameter P_RAJ.