diff --git a/Modules/Core/Common/include/itkCompensatedSummation.h b/Modules/Core/Common/include/itkCompensatedSummation.h
index 9af83c4af5e..3cefc4ad1a3 100644
--- a/Modules/Core/Common/include/itkCompensatedSummation.h
+++ b/Modules/Core/Common/include/itkCompensatedSummation.h
@@ -76,7 +76,7 @@ class ITK_TEMPLATE_EXPORT CompensatedSummation
   using Self = CompensatedSummation;
 
   /** Constructors. */
-  CompensatedSummation();
+  CompensatedSummation() = default;
   CompensatedSummation(FloatType value);
 
   /** Copy constructor. */
@@ -120,8 +120,8 @@ class ITK_TEMPLATE_EXPORT CompensatedSummation
   explicit operator FloatType() const;
 
 private:
-  AccumulateType m_Sum;
-  AccumulateType m_Compensation;
+  AccumulateType m_Sum{};
+  AccumulateType m_Compensation{};
 
 // Maybe support more types in the future with template specialization.
 #ifdef ITK_USE_CONCEPT_CHECKING
diff --git a/Modules/Core/Common/include/itkCompensatedSummation.hxx b/Modules/Core/Common/include/itkCompensatedSummation.hxx
index 4be5d2f1ef1..1ed32deee06 100644
--- a/Modules/Core/Common/include/itkCompensatedSummation.hxx
+++ b/Modules/Core/Common/include/itkCompensatedSummation.hxx
@@ -58,13 +58,6 @@ CompensatedSummationAddElement(TFloat & compensation, TFloat & sum, const TFloat
 #  endif // _MSC_VER
 #endif   // not itkCompensatedSummation_cxx
 
-template <typename TFloat>
-CompensatedSummation<TFloat>::CompensatedSummation()
-  : m_Sum(NumericTraits<AccumulateType>::ZeroValue())
-  , m_Compensation(NumericTraits<AccumulateType>::ZeroValue())
-{}
-
-
 template <typename TFloat>
 CompensatedSummation<TFloat>::CompensatedSummation(const TFloat value)
   : m_Sum(value)