diff --git a/Modules/IO/SpatialObjects/include/itkSpatialObjectReader.h b/Modules/IO/SpatialObjects/include/itkSpatialObjectReader.h
index 9cdb0355e07..a923fdacd29 100644
--- a/Modules/IO/SpatialObjects/include/itkSpatialObjectReader.h
+++ b/Modules/IO/SpatialObjects/include/itkSpatialObjectReader.h
@@ -67,7 +67,7 @@ class ITK_TEMPLATE_EXPORT SpatialObjectReader : public Object
   void
   SetMetaIOVersion(unsigned int ver);
   unsigned int
-  GetMetaIOVersion(void) const;
+  GetMetaIOVersion() const;
 
   /** Set the filename  */
   itkSetStringMacro(FileName);
diff --git a/Modules/IO/SpatialObjects/include/itkSpatialObjectReader.hxx b/Modules/IO/SpatialObjects/include/itkSpatialObjectReader.hxx
index d86f1abf5b4..5e763b213cb 100644
--- a/Modules/IO/SpatialObjects/include/itkSpatialObjectReader.hxx
+++ b/Modules/IO/SpatialObjects/include/itkSpatialObjectReader.hxx
@@ -52,7 +52,7 @@ SpatialObjectReader<VDimension, PixelType, TMeshTraits>::SetMetaIOVersion(unsign
 
 template <unsigned int VDimension, typename PixelType, typename TMeshTraits>
 unsigned int
-SpatialObjectReader<VDimension, PixelType, TMeshTraits>::GetMetaIOVersion(void) const
+SpatialObjectReader<VDimension, PixelType, TMeshTraits>::GetMetaIOVersion() const
 {
   return m_MetaToSpatialConverter->GetMetaIOVersion();
 }
diff --git a/Modules/IO/SpatialObjects/include/itkSpatialObjectWriter.h b/Modules/IO/SpatialObjects/include/itkSpatialObjectWriter.h
index 9e0a6258bda..f246523404c 100644
--- a/Modules/IO/SpatialObjects/include/itkSpatialObjectWriter.h
+++ b/Modules/IO/SpatialObjects/include/itkSpatialObjectWriter.h
@@ -89,7 +89,7 @@ class ITK_TEMPLATE_EXPORT SpatialObjectWriter : public Object
   void
   SetMetaIOVersion(unsigned int ver);
   unsigned int
-  GetMetaIOVersion(void) const;
+  GetMetaIOVersion() const;
 
   void
   SetTransformPrecision(unsigned int precision);
diff --git a/Modules/IO/SpatialObjects/include/itkSpatialObjectWriter.hxx b/Modules/IO/SpatialObjects/include/itkSpatialObjectWriter.hxx
index 5e2de020732..20987aea2e9 100644
--- a/Modules/IO/SpatialObjects/include/itkSpatialObjectWriter.hxx
+++ b/Modules/IO/SpatialObjects/include/itkSpatialObjectWriter.hxx
@@ -40,7 +40,7 @@ SpatialObjectWriter<VDimension, PixelType, TMeshTraits>::SetMetaIOVersion(unsign
 
 template <unsigned int VDimension, typename PixelType, typename TMeshTraits>
 unsigned int
-SpatialObjectWriter<VDimension, PixelType, TMeshTraits>::GetMetaIOVersion(void) const
+SpatialObjectWriter<VDimension, PixelType, TMeshTraits>::GetMetaIOVersion() const
 {
   return m_MetaToSpatialConverter->GetMetaIOVersion();
 }