diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryClosingByReconstructionImageFilter.h b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryClosingByReconstructionImageFilter.h
index 21021427f3b..3f0f301a556 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryClosingByReconstructionImageFilter.h
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryClosingByReconstructionImageFilter.h
@@ -96,7 +96,7 @@ class ITK_TEMPLATE_EXPORT BinaryClosingByReconstructionImageFilter
   itkBooleanMacro(FullyConnected);
   /** @ITKEndGrouping */
 protected:
-  BinaryClosingByReconstructionImageFilter();
+  BinaryClosingByReconstructionImageFilter() = default;
   ~BinaryClosingByReconstructionImageFilter() override = default;
   void
   PrintSelf(std::ostream & os, Indent indent) const override;
@@ -115,7 +115,7 @@ class ITK_TEMPLATE_EXPORT BinaryClosingByReconstructionImageFilter
   GenerateData() override;
 
 private:
-  InputPixelType m_ForegroundValue{};
+  InputPixelType m_ForegroundValue{ NumericTraits<InputPixelType>::max() };
 
   bool m_FullyConnected{};
 
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryClosingByReconstructionImageFilter.hxx b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryClosingByReconstructionImageFilter.hxx
index 25adbb75b58..f19d9db8a27 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryClosingByReconstructionImageFilter.hxx
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryClosingByReconstructionImageFilter.hxx
@@ -29,13 +29,6 @@
 
 namespace itk
 {
-
-template <typename TInputImage, typename TKernel>
-BinaryClosingByReconstructionImageFilter<TInputImage, TKernel>::BinaryClosingByReconstructionImageFilter()
-  : m_ForegroundValue(NumericTraits<InputPixelType>::max())
-
-{}
-
 template <typename TInputImage, typename TKernel>
 void
 BinaryClosingByReconstructionImageFilter<TInputImage, TKernel>::GenerateInputRequestedRegion()
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalClosingImageFilter.h b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalClosingImageFilter.h
index 259c4c9d5ac..0728ded3b31 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalClosingImageFilter.h
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalClosingImageFilter.h
@@ -101,7 +101,7 @@ class ITK_TEMPLATE_EXPORT BinaryMorphologicalClosingImageFilter
   itkBooleanMacro(SafeBorder);
   /** @ITKEndGrouping */
 protected:
-  BinaryMorphologicalClosingImageFilter();
+  BinaryMorphologicalClosingImageFilter() = default;
   ~BinaryMorphologicalClosingImageFilter() override = default;
   void
   PrintSelf(std::ostream & os, Indent indent) const override;
@@ -112,9 +112,9 @@ class ITK_TEMPLATE_EXPORT BinaryMorphologicalClosingImageFilter
   GenerateData() override;
 
 private:
-  InputPixelType m_ForegroundValue{};
+  InputPixelType m_ForegroundValue{ NumericTraits<InputPixelType>::max() };
 
-  bool m_SafeBorder{};
+  bool m_SafeBorder{ true };
 }; // end of class
 } // end namespace itk
 
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalClosingImageFilter.hxx b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalClosingImageFilter.hxx
index ff83d6cd041..440f0344a19 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalClosingImageFilter.hxx
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalClosingImageFilter.hxx
@@ -37,12 +37,6 @@
 
 namespace itk
 {
-template <typename TInputImage, typename TOutputImage, typename TKernel>
-BinaryMorphologicalClosingImageFilter<TInputImage, TOutputImage, TKernel>::BinaryMorphologicalClosingImageFilter()
-  : m_ForegroundValue(NumericTraits<InputPixelType>::max())
-  , m_SafeBorder(true)
-{}
-
 template <typename TInputImage, typename TOutputImage, typename TKernel>
 void
 BinaryMorphologicalClosingImageFilter<TInputImage, TOutputImage, TKernel>::GenerateData()
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalOpeningImageFilter.h b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalOpeningImageFilter.h
index 124af9e90c2..3b557ed5be1 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalOpeningImageFilter.h
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalOpeningImageFilter.h
@@ -99,7 +99,7 @@ class ITK_TEMPLATE_EXPORT BinaryMorphologicalOpeningImageFilter
   itkGetConstMacro(BackgroundValue, PixelType);
 
 protected:
-  BinaryMorphologicalOpeningImageFilter();
+  BinaryMorphologicalOpeningImageFilter() = default;
   ~BinaryMorphologicalOpeningImageFilter() override = default;
   void
   PrintSelf(std::ostream & os, Indent indent) const override;
@@ -110,7 +110,7 @@ class ITK_TEMPLATE_EXPORT BinaryMorphologicalOpeningImageFilter
   GenerateData() override;
 
 private:
-  PixelType m_ForegroundValue{};
+  PixelType m_ForegroundValue{ NumericTraits<PixelType>::max() };
 
   PixelType m_BackgroundValue{};
 }; // end of class
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalOpeningImageFilter.hxx b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalOpeningImageFilter.hxx
index 304a1474991..a665926f1e9 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalOpeningImageFilter.hxx
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologicalOpeningImageFilter.hxx
@@ -34,12 +34,6 @@
 
 namespace itk
 {
-template <typename TInputImage, typename TOutputImage, typename TKernel>
-BinaryMorphologicalOpeningImageFilter<TInputImage, TOutputImage, TKernel>::BinaryMorphologicalOpeningImageFilter()
-  : m_ForegroundValue(NumericTraits<PixelType>::max())
-  , m_BackgroundValue(PixelType{})
-{}
-
 template <typename TInputImage, typename TOutputImage, typename TKernel>
 void
 BinaryMorphologicalOpeningImageFilter<TInputImage, TOutputImage, TKernel>::GenerateData()
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologyImageFilter.h b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologyImageFilter.h
index b77ea3f1da4..f3fc0c9e6c4 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologyImageFilter.h
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologyImageFilter.h
@@ -226,10 +226,10 @@ class ITK_TEMPLATE_EXPORT BinaryMorphologyImageFilter : public KernelImageFilter
 
 private:
   /** Pixel value to dilate */
-  InputPixelType m_ForegroundValue{};
+  InputPixelType m_ForegroundValue{ NumericTraits<InputPixelType>::max() };
 
   /** Pixel value for background */
-  OutputPixelType m_BackgroundValue{};
+  OutputPixelType m_BackgroundValue{ NumericTraits<OutputPixelType>::NonpositiveMin() };
 
   /** Difference sets definition */
   NeighborIndexContainerContainer m_KernelDifferenceSets{};
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologyImageFilter.hxx b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologyImageFilter.hxx
index 1802c7d6aba..74c87f7e617 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologyImageFilter.hxx
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryMorphologyImageFilter.hxx
@@ -31,8 +31,6 @@ namespace itk
 {
 template <typename TInputImage, typename TOutputImage, typename TKernel>
 BinaryMorphologyImageFilter<TInputImage, TOutputImage, TKernel>::BinaryMorphologyImageFilter()
-  : m_ForegroundValue(NumericTraits<InputPixelType>::max())
-  , m_BackgroundValue(NumericTraits<OutputPixelType>::NonpositiveMin())
 {
   // this->SetNumberOfWorkUnits(1);
   this->AnalyzeKernel();
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryOpeningByReconstructionImageFilter.h b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryOpeningByReconstructionImageFilter.h
index a92bc0ddd63..87b742ed399 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryOpeningByReconstructionImageFilter.h
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryOpeningByReconstructionImageFilter.h
@@ -101,7 +101,7 @@ class ITK_TEMPLATE_EXPORT BinaryOpeningByReconstructionImageFilter
   itkBooleanMacro(FullyConnected);
   /** @ITKEndGrouping */
 protected:
-  BinaryOpeningByReconstructionImageFilter();
+  BinaryOpeningByReconstructionImageFilter() = default;
   ~BinaryOpeningByReconstructionImageFilter() override = default;
   void
   PrintSelf(std::ostream & os, Indent indent) const override;
@@ -120,7 +120,7 @@ class ITK_TEMPLATE_EXPORT BinaryOpeningByReconstructionImageFilter
   GenerateData() override;
 
 private:
-  PixelType m_ForegroundValue{};
+  PixelType m_ForegroundValue{ NumericTraits<PixelType>::max() };
 
   PixelType m_BackgroundValue{};
 
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryOpeningByReconstructionImageFilter.hxx b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryOpeningByReconstructionImageFilter.hxx
index 16c0cffcc1a..96e7d81691a 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryOpeningByReconstructionImageFilter.hxx
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryOpeningByReconstructionImageFilter.hxx
@@ -25,13 +25,6 @@
 
 namespace itk
 {
-
-template <typename TInputImage, typename TKernel>
-BinaryOpeningByReconstructionImageFilter<TInputImage, TKernel>::BinaryOpeningByReconstructionImageFilter()
-  : m_ForegroundValue(NumericTraits<PixelType>::max())
-  , m_BackgroundValue(PixelType{})
-{}
-
 template <typename TInputImage, typename TKernel>
 void
 BinaryOpeningByReconstructionImageFilter<TInputImage, TKernel>::GenerateInputRequestedRegion()
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryPruningImageFilter.h b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryPruningImageFilter.h
index 95e8577caa1..13045a009f2 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryPruningImageFilter.h
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryPruningImageFilter.h
@@ -133,7 +133,7 @@ class ITK_TEMPLATE_EXPORT BinaryPruningImageFilter : public ImageToImageFilter<T
   ComputePruneImage();
 
 private:
-  unsigned int m_Iteration{};
+  unsigned int m_Iteration{ 3 };
 }; // end of BinaryThinningImageFilter class
 } // end namespace itk
 
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryPruningImageFilter.hxx b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryPruningImageFilter.hxx
index 9f7e28e4205..2d6d96f95b7 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryPruningImageFilter.hxx
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkBinaryPruningImageFilter.hxx
@@ -29,7 +29,6 @@ namespace itk
  */
 template <typename TInputImage, typename TOutputImage>
 BinaryPruningImageFilter<TInputImage, TOutputImage>::BinaryPruningImageFilter()
-  : m_Iteration(3)
 {
   this->SetNumberOfRequiredOutputs(1);
 
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkErodeObjectMorphologyImageFilter.hxx b/Modules/Filtering/BinaryMathematicalMorphology/include/itkErodeObjectMorphologyImageFilter.hxx
index 07efd4c40ab..05566d981a7 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkErodeObjectMorphologyImageFilter.hxx
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkErodeObjectMorphologyImageFilter.hxx
@@ -23,7 +23,6 @@ namespace itk
 {
 template <typename TInputImage, typename TOutputImage, typename TKernel>
 ErodeObjectMorphologyImageFilter<TInputImage, TOutputImage, TKernel>::ErodeObjectMorphologyImageFilter()
-  : m_BackgroundValue(PixelType{})
 {
   m_ErodeBoundaryCondition.SetConstant(NumericTraits<PixelType>::max());
   this->OverrideBoundaryCondition(&m_ErodeBoundaryCondition);
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkObjectMorphologyImageFilter.h b/Modules/Filtering/BinaryMathematicalMorphology/include/itkObjectMorphologyImageFilter.h
index e9c5f6a1441..72cf89d6384 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkObjectMorphologyImageFilter.h
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkObjectMorphologyImageFilter.h
@@ -215,7 +215,7 @@ class ITK_TEMPLATE_EXPORT ObjectMorphologyImageFilter : public ImageToImageFilte
   KernelType m_Kernel{};
 
   /** Pixel value that indicates the object be operated upon */
-  PixelType m_ObjectValue{};
+  PixelType m_ObjectValue{ NumericTraits<PixelType>::OneValue() };
 
   void
   BeforeThreadedGenerateData() override;
diff --git a/Modules/Filtering/BinaryMathematicalMorphology/include/itkObjectMorphologyImageFilter.hxx b/Modules/Filtering/BinaryMathematicalMorphology/include/itkObjectMorphologyImageFilter.hxx
index f0e4ab40d72..e68b2a744aa 100644
--- a/Modules/Filtering/BinaryMathematicalMorphology/include/itkObjectMorphologyImageFilter.hxx
+++ b/Modules/Filtering/BinaryMathematicalMorphology/include/itkObjectMorphologyImageFilter.hxx
@@ -31,8 +31,6 @@ namespace itk
 {
 template <typename TInputImage, typename TOutputImage, typename TKernel>
 ObjectMorphologyImageFilter<TInputImage, TOutputImage, TKernel>::ObjectMorphologyImageFilter()
-  : m_Kernel()
-  , m_ObjectValue(NumericTraits<PixelType>::OneValue())
 {
   m_DefaultBoundaryCondition.SetConstant(PixelType{});
   m_BoundaryCondition = &m_DefaultBoundaryCondition;