diff --git a/freqtrade/optimize/space/__init__.py b/freqtrade/optimize/space/__init__.py
index 2e81a5e4b..08abe3097 100644
--- a/freqtrade/optimize/space/__init__.py
+++ b/freqtrade/optimize/space/__init__.py
@@ -1,6 +1,6 @@
 # from skopt.space import Categorical, Dimension, Integer, Real  # noqa: F401
 from .decimalspace import SKDecimal  # noqa: F401
-from .optunaspaces import DimensionProtocol  # noqa: F401
+from .optunaspaces import DimensionProtocol as Dimension  # noqa: F401
 from .optunaspaces import ft_CategoricalDistribution as Categorical  # noqa: F401
 from .optunaspaces import ft_FloatDistribution as Real  # noqa: F401
 from .optunaspaces import ft_IntDistribution as Integer  # noqa: F401
diff --git a/freqtrade/optimize/space/decimalspace.py b/freqtrade/optimize/space/decimalspace.py
index 63ae38aad..c93e49c01 100644
--- a/freqtrade/optimize/space/decimalspace.py
+++ b/freqtrade/optimize/space/decimalspace.py
@@ -1,5 +1,3 @@
-from decimal import Decimal
-
 from optuna.distributions import FloatDistribution
 
 
@@ -9,7 +7,7 @@ class SKDecimal(FloatDistribution):
         low: float,
         high: float,
         step: float | None = None,
-        decimals: int = 4,
+        decimals: int = 3,
         name=None,
     ):
         """
@@ -21,7 +19,6 @@ class SKDecimal(FloatDistribution):
         self.step = step or 1 / 10**decimals
         self.name = name
 
-        # with localcontext(prec=max(decimals, 4)) as ctx:
         super().__init__(
             low=low,
             high=high,