diff --git a/examples/Registration/DemonsRegistrationBenchmark.cxx b/examples/Registration/DemonsRegistrationBenchmark.cxx
index 02dc925..bd60105 100644
--- a/examples/Registration/DemonsRegistrationBenchmark.cxx
+++ b/examples/Registration/DemonsRegistrationBenchmark.cxx
@@ -88,7 +88,6 @@ main(int argc, char * argv[])
 
   constexpr unsigned int Dimension = 3;
   using PixelType = float;
-  using ParametersValueType = double;
 
   using ImageType = itk::Image<PixelType, Dimension>;
 
diff --git a/examples/Registration/NormalizedCorrelationBenchmark.cxx b/examples/Registration/NormalizedCorrelationBenchmark.cxx
index 8b22fc0..6e26de6 100644
--- a/examples/Registration/NormalizedCorrelationBenchmark.cxx
+++ b/examples/Registration/NormalizedCorrelationBenchmark.cxx
@@ -46,7 +46,6 @@ main(int argc, char * argv[])
 
   constexpr unsigned int Dimension = 3;
   using PixelType = float;
-  using ParametersValueType = double;
 
   using ImageType = itk::Image<PixelType, Dimension>;