diff --git a/Modules/Core/Common/test/itkIteratorTests.cxx b/Modules/Core/Common/test/itkIteratorTests.cxx
index 1e1eab25ee0..b40732ef3ec 100644
--- a/Modules/Core/Common/test/itkIteratorTests.cxx
+++ b/Modules/Core/Common/test/itkIteratorTests.cxx
@@ -66,7 +66,7 @@ itkIteratorTests(int, char *[])
   unsigned short * ptr = o3->GetBufferPointer();
   memset(ptr, 0, num * sizeof(unsigned short));
   clock_t end = clock();
-  double  elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+  double  elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
 
   std::cout << "Raw pointer using memset" << std::endl;
   std::cout << "\tTime   = " << elapsedTime << std::endl;
@@ -83,7 +83,7 @@ itkIteratorTests(int, char *[])
     }
     end = clock();
     *ptr = 0;
-    elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+    elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
 
     std::cout << "Raw pointer as a 1D array" << std::endl;
     std::cout << "\tTime   = " << elapsedTime << std::endl;
@@ -109,7 +109,7 @@ itkIteratorTests(int, char *[])
           ++i;
         }
     end = clock();
-    elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+    elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
 
     std::cout << "Raw pointer in 3 nested loops" << std::endl;
     std::cout << "\tTime   = " << elapsedTime << std::endl;
@@ -134,7 +134,7 @@ itkIteratorTests(int, char *[])
       ++i;
     }
     end = clock();
-    elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+    elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
 
     std::cout << "ImageRegionIterator" << std::endl;
     std::cout << "\tTime   = " << elapsedTime << std::endl;
@@ -156,7 +156,7 @@ itkIteratorTests(int, char *[])
       ++i;
     }
     end = clock();
-    elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+    elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
 
     std::cout << "ImageRegionIteratorWithIndex" << std::endl;
     std::cout << "\tTime   = " << elapsedTime << std::endl;
diff --git a/Modules/Filtering/AntiAlias/test/itkAntiAliasBinaryImageFilterTest.cxx b/Modules/Filtering/AntiAlias/test/itkAntiAliasBinaryImageFilterTest.cxx
index 774bfd4b581..9eb939fb697 100644
--- a/Modules/Filtering/AntiAlias/test/itkAntiAliasBinaryImageFilterTest.cxx
+++ b/Modules/Filtering/AntiAlias/test/itkAntiAliasBinaryImageFilterTest.cxx
@@ -40,12 +40,10 @@ constexpr int V_DEPTH = 64;
 float
 sphere(float x, float y, float z)
 {
-  const float dis = (x - static_cast<float>(V_WIDTH) / 2.0) * (x - static_cast<float>(V_WIDTH) / 2.0) /
-                      ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
-                    (y - static_cast<float>(V_HEIGHT) / 2.0) * (y - static_cast<float>(V_HEIGHT) / 2.0) /
-                      ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
-                    (z - static_cast<float>(V_DEPTH) / 2.0) * (z - static_cast<float>(V_DEPTH) / 2.0) /
-                      ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
+  const float dis =
+    (x - float{ V_WIDTH } / 2.0) * (x - float{ V_WIDTH } / 2.0) / ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
+    (y - float{ V_HEIGHT } / 2.0) * (y - float{ V_HEIGHT } / 2.0) / ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
+    (z - float{ V_DEPTH } / 2.0) * (z - float{ V_DEPTH } / 2.0) / ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
   return (1.0f - dis);
 }
 
diff --git a/Modules/Filtering/Colormap/include/itkCustomColormapFunction.hxx b/Modules/Filtering/Colormap/include/itkCustomColormapFunction.hxx
index 06fe497b8c0..e71b965f9e1 100644
--- a/Modules/Filtering/Colormap/include/itkCustomColormapFunction.hxx
+++ b/Modules/Filtering/Colormap/include/itkCustomColormapFunction.hxx
@@ -62,7 +62,7 @@ CustomColormapFunction<TScalar, TRGBPixel>::operator()(const TScalar & v) const
   RGBPixelType pixel;
   NumericTraits<TRGBPixel>::SetLength(pixel, 3);
 
-  for (auto color = static_cast<size_t>(RED); color <= static_cast<size_t>(BLUE); ++color)
+  for (auto color = size_t{ RED }; color <= size_t{ BLUE }; ++color)
   {
     pixel[color] = this->RescaleRGBComponentValue(RGBValue[color]);
   }
diff --git a/Modules/Filtering/MathematicalMorphology/test/itkObjectMorphologyImageFilterTest.cxx b/Modules/Filtering/MathematicalMorphology/test/itkObjectMorphologyImageFilterTest.cxx
index 4b28f27bda1..c7bb8b4b572 100644
--- a/Modules/Filtering/MathematicalMorphology/test/itkObjectMorphologyImageFilterTest.cxx
+++ b/Modules/Filtering/MathematicalMorphology/test/itkObjectMorphologyImageFilterTest.cxx
@@ -153,7 +153,7 @@ itkObjectMorphologyImageFilterTest(int, char *[])
 
   end = clock();
 
-  elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+  elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
 
   // Print the content of the result image
   std::cout << "  Success: " << std::endl;
@@ -174,7 +174,7 @@ itkObjectMorphologyImageFilterTest(int, char *[])
 
   end = clock();
 
-  elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+  elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
 
   // Print the content of the result image
   std::cout << "  Success: " << std::endl;
@@ -214,7 +214,7 @@ itkObjectMorphologyImageFilterTest(int, char *[])
     ++count;
   }
   end = clock();
-  elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+  elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
   std::cout << "  Success: " << std::endl;
   std::cout << "    Time = " << elapsedTime << std::endl;
 
@@ -241,7 +241,7 @@ itkObjectMorphologyImageFilterTest(int, char *[])
 
   end = clock();
 
-  elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+  elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
 
   // Print the content of the result image
   std::cout << "  Success: " << std::endl;
@@ -262,7 +262,7 @@ itkObjectMorphologyImageFilterTest(int, char *[])
 
   end = clock();
 
-  elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+  elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
 
   // Print the content of the result image
   std::cout << "  Success: " << std::endl;
@@ -302,7 +302,7 @@ itkObjectMorphologyImageFilterTest(int, char *[])
     ++count;
   }
   end = clock();
-  elapsedTime = (end - start) / static_cast<double>(CLOCKS_PER_SEC);
+  elapsedTime = (end - start) / double{ CLOCKS_PER_SEC };
   std::cout << "  Success: " << std::endl;
   std::cout << "    Time = " << elapsedTime << std::endl;
 
diff --git a/Modules/IO/NIFTI/src/itkNiftiImageIO.cxx b/Modules/IO/NIFTI/src/itkNiftiImageIO.cxx
index ed5282d1d2f..a88aede6447 100644
--- a/Modules/IO/NIFTI/src/itkNiftiImageIO.cxx
+++ b/Modules/IO/NIFTI/src/itkNiftiImageIO.cxx
@@ -1515,8 +1515,8 @@ NiftiImageIO::WriteImageInformation()
   // external tools believe that the time units must be set, even if there
   // is only one dataset.  Having the time specified for a purely spatial
   // image has no consequence, so go ahead and set it to seconds.
-  this->m_NiftiImage->xyz_units = static_cast<int>(NIFTI_UNITS_MM);
-  this->m_NiftiImage->time_units = static_cast<int>(NIFTI_UNITS_SEC);
+  this->m_NiftiImage->xyz_units = int{ NIFTI_UNITS_MM };
+  this->m_NiftiImage->time_units = int{ NIFTI_UNITS_SEC };
   this->m_NiftiImage->dim[7] = this->m_NiftiImage->nw = 1;
   this->m_NiftiImage->dim[6] = this->m_NiftiImage->nv = 1;
   this->m_NiftiImage->dim[5] = this->m_NiftiImage->nu = 1;
diff --git a/Modules/Segmentation/Classifiers/include/itkImageKmeansModelEstimator.hxx b/Modules/Segmentation/Classifiers/include/itkImageKmeansModelEstimator.hxx
index cee3a6410ff..ad08a86fcdb 100644
--- a/Modules/Segmentation/Classifiers/include/itkImageKmeansModelEstimator.hxx
+++ b/Modules/Segmentation/Classifiers/include/itkImageKmeansModelEstimator.hxx
@@ -545,7 +545,7 @@ ImageKmeansModelEstimator<TInputImage, TMembershipFunction>::Perturb(double * ol
   for (unsigned int i = 0; i < m_VectorDimension; ++i)
   {
     srand(static_cast<unsigned int>(time(nullptr)));
-    const double rand_num = (rand()) / (static_cast<double>(RAND_MAX));
+    const double rand_num = (rand()) / (double{ RAND_MAX });
 
     if (oldCodeword[i] == 0.0)
     {
diff --git a/Modules/Segmentation/LevelSets/test/itkCannySegmentationLevelSetImageFilterTest.cxx b/Modules/Segmentation/LevelSets/test/itkCannySegmentationLevelSetImageFilterTest.cxx
index a5ae6ece487..779bc9ac5e5 100644
--- a/Modules/Segmentation/LevelSets/test/itkCannySegmentationLevelSetImageFilterTest.cxx
+++ b/Modules/Segmentation/LevelSets/test/itkCannySegmentationLevelSetImageFilterTest.cxx
@@ -32,24 +32,20 @@ constexpr int V_DEPTH = 64;
 float
 sphere(float x, float y, float z)
 {
-  const float dis = (x - static_cast<float>(V_WIDTH) / 2.0) * (x - static_cast<float>(V_WIDTH) / 2.0) /
-                      ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
-                    (y - static_cast<float>(V_HEIGHT) / 2.0) * (y - static_cast<float>(V_HEIGHT) / 2.0) /
-                      ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
-                    (z - static_cast<float>(V_DEPTH) / 2.0) * (z - static_cast<float>(V_DEPTH) / 2.0) /
-                      ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
+  const float dis =
+    (x - float{ V_WIDTH } / 2.0) * (x - float{ V_WIDTH } / 2.0) / ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
+    (y - float{ V_HEIGHT } / 2.0) * (y - float{ V_HEIGHT } / 2.0) / ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
+    (z - float{ V_DEPTH } / 2.0) * (z - float{ V_DEPTH } / 2.0) / ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
   return (1.0f - dis);
 }
 
 float
 sphere2(float x, float y, float z)
 {
-  const float dis = (x - static_cast<float>(V_WIDTH) / 2.1) * (x - static_cast<float>(V_WIDTH) / 2.1) /
-                      ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
-                    (y - static_cast<float>(V_HEIGHT) / 2.0) * (y - static_cast<float>(V_HEIGHT) / 2.0) /
-                      ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
-                    (z - static_cast<float>(V_DEPTH) / 2.0) * (z - static_cast<float>(V_DEPTH) / 2.0) /
-                      ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
+  const float dis =
+    (x - float{ V_WIDTH } / 2.1) * (x - float{ V_WIDTH } / 2.1) / ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
+    (y - float{ V_HEIGHT } / 2.0) * (y - float{ V_HEIGHT } / 2.0) / ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
+    (z - float{ V_DEPTH } / 2.0) * (z - float{ V_DEPTH } / 2.0) / ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
   return (1.0f - dis);
 }
 
diff --git a/Modules/Segmentation/LevelSets/test/itkLaplacianSegmentationLevelSetImageFilterTest.cxx b/Modules/Segmentation/LevelSets/test/itkLaplacianSegmentationLevelSetImageFilterTest.cxx
index 275138795b3..5efe2cdd5fb 100644
--- a/Modules/Segmentation/LevelSets/test/itkLaplacianSegmentationLevelSetImageFilterTest.cxx
+++ b/Modules/Segmentation/LevelSets/test/itkLaplacianSegmentationLevelSetImageFilterTest.cxx
@@ -33,24 +33,20 @@ constexpr int V_DEPTH = 64;
 float
 sphere(float x, float y, float z)
 {
-  const float dis = (x - static_cast<float>(V_WIDTH) / 2.0) * (x - static_cast<float>(V_WIDTH) / 2.0) /
-                      ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
-                    (y - static_cast<float>(V_HEIGHT) / 2.0) * (y - static_cast<float>(V_HEIGHT) / 2.0) /
-                      ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
-                    (z - static_cast<float>(V_DEPTH) / 2.0) * (z - static_cast<float>(V_DEPTH) / 2.0) /
-                      ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
+  const float dis =
+    (x - float{ V_WIDTH } / 2.0) * (x - float{ V_WIDTH } / 2.0) / ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
+    (y - float{ V_HEIGHT } / 2.0) * (y - float{ V_HEIGHT } / 2.0) / ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
+    (z - float{ V_DEPTH } / 2.0) * (z - float{ V_DEPTH } / 2.0) / ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
   return (1.0f - dis);
 }
 
 float
 sphere2(float x, float y, float z)
 {
-  const float dis = (x - static_cast<float>(V_WIDTH) / 2.1) * (x - static_cast<float>(V_WIDTH) / 2.1) /
-                      ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
-                    (y - static_cast<float>(V_HEIGHT) / 2.0) * (y - static_cast<float>(V_HEIGHT) / 2.0) /
-                      ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
-                    (z - static_cast<float>(V_DEPTH) / 2.0) * (z - static_cast<float>(V_DEPTH) / 2.0) /
-                      ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
+  const float dis =
+    (x - float{ V_WIDTH } / 2.1) * (x - float{ V_WIDTH } / 2.1) / ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
+    (y - float{ V_HEIGHT } / 2.0) * (y - float{ V_HEIGHT } / 2.0) / ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
+    (z - float{ V_DEPTH } / 2.0) * (z - float{ V_DEPTH } / 2.0) / ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
   return (1.0f - dis);
 }
 
diff --git a/Modules/Segmentation/LevelSets/test/itkLevelSetFunctionTest.cxx b/Modules/Segmentation/LevelSets/test/itkLevelSetFunctionTest.cxx
index 583ae90d78a..dae2906d7d8 100644
--- a/Modules/Segmentation/LevelSets/test/itkLevelSetFunctionTest.cxx
+++ b/Modules/Segmentation/LevelSets/test/itkLevelSetFunctionTest.cxx
@@ -45,8 +45,8 @@ constexpr unsigned int WIDTH = (256);
 float
 circle(unsigned int x, unsigned int y)
 {
-  float dis = (x - static_cast<float>(WIDTH) / 2.0) * (x - static_cast<float>(WIDTH) / 2.0) +
-              (y - static_cast<float>(HEIGHT) / 2.0) * (y - static_cast<float>(HEIGHT) / 2.0);
+  float dis =
+    (x - float{ WIDTH } / 2.0) * (x - float{ WIDTH } / 2.0) + (y - float{ HEIGHT } / 2.0) * (y - float{ HEIGHT } / 2.0);
   dis = RADIUS - std::sqrt(dis);
   return dis;
 }
@@ -55,8 +55,8 @@ circle(unsigned int x, unsigned int y)
 float
 square(unsigned int x, unsigned int y)
 {
-  const float X = itk::Math::abs(x - static_cast<float>(WIDTH) / 2.0);
-  const float Y = itk::Math::abs(y - static_cast<float>(HEIGHT) / 2.0);
+  const float X = itk::Math::abs(x - float{ WIDTH } / 2.0);
+  const float Y = itk::Math::abs(y - float{ HEIGHT } / 2.0);
   float       dis;
   if (!((X > RADIUS) && (Y > RADIUS)))
   {
diff --git a/Modules/Segmentation/LevelSets/test/itkNarrowBandThresholdSegmentationLevelSetImageFilterTest.cxx b/Modules/Segmentation/LevelSets/test/itkNarrowBandThresholdSegmentationLevelSetImageFilterTest.cxx
index 5f92a8f610f..911e131602c 100644
--- a/Modules/Segmentation/LevelSets/test/itkNarrowBandThresholdSegmentationLevelSetImageFilterTest.cxx
+++ b/Modules/Segmentation/LevelSets/test/itkNarrowBandThresholdSegmentationLevelSetImageFilterTest.cxx
@@ -32,12 +32,10 @@ constexpr int V_DEPTH = 64;
 float
 sphere(float x, float y, float z)
 {
-  const float dis = (x - static_cast<float>(V_WIDTH) / 2.0) * (x - static_cast<float>(V_WIDTH) / 2.0) /
-                      ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
-                    (y - static_cast<float>(V_HEIGHT) / 2.0) * (y - static_cast<float>(V_HEIGHT) / 2.0) /
-                      ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
-                    (z - static_cast<float>(V_DEPTH) / 2.0) * (z - static_cast<float>(V_DEPTH) / 2.0) /
-                      ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
+  const float dis =
+    (x - float{ V_WIDTH } / 2.0) * (x - float{ V_WIDTH } / 2.0) / ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
+    (y - float{ V_HEIGHT } / 2.0) * (y - float{ V_HEIGHT } / 2.0) / ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
+    (z - float{ V_DEPTH } / 2.0) * (z - float{ V_DEPTH } / 2.0) / ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
   return (1.0f - dis);
 }
 
diff --git a/Modules/Segmentation/LevelSets/test/itkParallelSparseFieldLevelSetImageFilterTest.cxx b/Modules/Segmentation/LevelSets/test/itkParallelSparseFieldLevelSetImageFilterTest.cxx
index 91837e8e513..01844d85870 100644
--- a/Modules/Segmentation/LevelSets/test/itkParallelSparseFieldLevelSetImageFilterTest.cxx
+++ b/Modules/Segmentation/LevelSets/test/itkParallelSparseFieldLevelSetImageFilterTest.cxx
@@ -48,9 +48,9 @@ constexpr int RADIUS = (std::min(std::min(HEIGHT, WIDTH), DEPTH) / 4);
 float
 sphere(unsigned int x, unsigned int y, unsigned int z)
 {
-  float dis = (x - static_cast<float>(WIDTH) / 2.0) * (x - static_cast<float>(WIDTH) / 2.0) +
-              (y - static_cast<float>(HEIGHT) / 2.0) * (y - static_cast<float>(HEIGHT) / 2.0) +
-              (z - static_cast<float>(DEPTH) / 2.0) * (z - static_cast<float>(DEPTH) / 2.0);
+  float dis = (x - float{ WIDTH } / 2.0) * (x - float{ WIDTH } / 2.0) +
+              (y - float{ HEIGHT } / 2.0) * (y - float{ HEIGHT } / 2.0) +
+              (z - float{ DEPTH } / 2.0) * (z - float{ DEPTH } / 2.0);
   dis = RADIUS - std::sqrt(dis);
   return (-dis);
 }
@@ -59,9 +59,9 @@ sphere(unsigned int x, unsigned int y, unsigned int z)
 float
 cube(unsigned int x, unsigned int y, unsigned int z)
 {
-  const float X = itk::Math::abs(x - static_cast<float>(WIDTH) / 2.0);
-  const float Y = itk::Math::abs(y - static_cast<float>(HEIGHT) / 2.0);
-  const float Z = itk::Math::abs(z - static_cast<float>(DEPTH) / 2.0);
+  const float X = itk::Math::abs(x - float{ WIDTH } / 2.0);
+  const float Y = itk::Math::abs(y - float{ HEIGHT } / 2.0);
+  const float Z = itk::Math::abs(z - float{ DEPTH } / 2.0);
   float       dis;
   if (!((X > RADIUS) && (Y > RADIUS) && (Z > RADIUS)))
   {
diff --git a/Modules/Segmentation/LevelSets/test/itkSparseFieldFourthOrderLevelSetImageFilterTest.cxx b/Modules/Segmentation/LevelSets/test/itkSparseFieldFourthOrderLevelSetImageFilterTest.cxx
index d137ad4bed4..d6a2ee73b77 100644
--- a/Modules/Segmentation/LevelSets/test/itkSparseFieldFourthOrderLevelSetImageFilterTest.cxx
+++ b/Modules/Segmentation/LevelSets/test/itkSparseFieldFourthOrderLevelSetImageFilterTest.cxx
@@ -50,8 +50,8 @@ constexpr unsigned int WIDTH = (128);
 float
 square(unsigned int x, unsigned int y)
 {
-  const float X = itk::Math::abs(x - static_cast<float>(WIDTH) / 2.0);
-  const float Y = itk::Math::abs(y - static_cast<float>(HEIGHT) / 2.0);
+  const float X = itk::Math::abs(x - float{ WIDTH } / 2.0);
+  const float Y = itk::Math::abs(y - float{ HEIGHT } / 2.0);
   float       dis;
   if (!((X > RADIUS) && (Y > RADIUS)))
   {
diff --git a/Modules/Segmentation/LevelSets/test/itkThresholdSegmentationLevelSetImageFilterTest.cxx b/Modules/Segmentation/LevelSets/test/itkThresholdSegmentationLevelSetImageFilterTest.cxx
index 86add96ac4f..5c5ba9c4a84 100644
--- a/Modules/Segmentation/LevelSets/test/itkThresholdSegmentationLevelSetImageFilterTest.cxx
+++ b/Modules/Segmentation/LevelSets/test/itkThresholdSegmentationLevelSetImageFilterTest.cxx
@@ -32,12 +32,10 @@ constexpr int V_DEPTH = 64;
 float
 sphere(float x, float y, float z)
 {
-  const float dis = (x - static_cast<float>(V_WIDTH) / 2.0) * (x - static_cast<float>(V_WIDTH) / 2.0) /
-                      ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
-                    (y - static_cast<float>(V_HEIGHT) / 2.0) * (y - static_cast<float>(V_HEIGHT) / 2.0) /
-                      ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
-                    (z - static_cast<float>(V_DEPTH) / 2.0) * (z - static_cast<float>(V_DEPTH) / 2.0) /
-                      ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
+  const float dis =
+    (x - float{ V_WIDTH } / 2.0) * (x - float{ V_WIDTH } / 2.0) / ((0.2f * V_WIDTH) * (0.2f * V_WIDTH)) +
+    (y - float{ V_HEIGHT } / 2.0) * (y - float{ V_HEIGHT } / 2.0) / ((0.2f * V_HEIGHT) * (0.2f * V_HEIGHT)) +
+    (z - float{ V_DEPTH } / 2.0) * (z - float{ V_DEPTH } / 2.0) / ((0.2f * V_DEPTH) * (0.2f * V_DEPTH));
   return (1.0f - dis);
 }
 
diff --git a/Modules/Segmentation/LevelSets/test/itkUnsharpMaskLevelSetImageFilterTest.cxx b/Modules/Segmentation/LevelSets/test/itkUnsharpMaskLevelSetImageFilterTest.cxx
index 3a5d494d0a4..4f893334cc4 100644
--- a/Modules/Segmentation/LevelSets/test/itkUnsharpMaskLevelSetImageFilterTest.cxx
+++ b/Modules/Segmentation/LevelSets/test/itkUnsharpMaskLevelSetImageFilterTest.cxx
@@ -28,8 +28,8 @@ constexpr unsigned int WIDTH = (128);
 float
 square(unsigned int x, unsigned int y)
 {
-  const float X = itk::Math::abs(x - static_cast<float>(WIDTH) / 2.0);
-  const float Y = itk::Math::abs(y - static_cast<float>(HEIGHT) / 2.0);
+  const float X = itk::Math::abs(x - float{ WIDTH } / 2.0);
+  const float Y = itk::Math::abs(y - float{ HEIGHT } / 2.0);
   float       dis;
   if (!((X > RADIUS) && (Y > RADIUS)))
   {