diff --git a/src/OpenMesh/Core/IO/reader/OMReader.cc b/src/OpenMesh/Core/IO/reader/OMReader.cc
index 17a77403..60514111 100644
--- a/src/OpenMesh/Core/IO/reader/OMReader.cc
+++ b/src/OpenMesh/Core/IO/reader/OMReader.cc
@@ -159,7 +159,6 @@ bool _OMReader_::read_binary(std::istream& _is, BaseImporter& _bi, Options& _opt
 
   bytes_ += restore(_is, header_, swap);
 
-  size_t data_bytes;
 
   while (!_is.eof()) {
     bytes_ += restore(_is, chunk_header_, swap);
@@ -175,7 +174,6 @@ bool _OMReader_::read_binary(std::istream& _is, BaseImporter& _bi, Options& _opt
 
     // Read in the property data. If it is an anonymous or unknown named
     // property, then skip data.
-    data_bytes = bytes_;
     switch (chunk_header_.entity_) {
       case OMFormat::Chunk::Entity_Vertex:
         if (!read_binary_vertex_chunk(_is, _bi, _opt, swap))
@@ -200,7 +198,7 @@ bool _OMReader_::read_binary(std::istream& _is, BaseImporter& _bi, Options& _opt
       default:
         return false;
     }
-    data_bytes = bytes_ - data_bytes;
+
   }
 
   // File was successfully parsed.
diff --git a/src/OpenMesh/Core/IO/writer/OMWriter.cc b/src/OpenMesh/Core/IO/writer/OMWriter.cc
index 06d26792..6aa58319 100644
--- a/src/OpenMesh/Core/IO/writer/OMWriter.cc
+++ b/src/OpenMesh/Core/IO/writer/OMWriter.cc
@@ -299,16 +299,14 @@ bool _OMWriter_::write_binary(std::ostream& _os, BaseExporter& _be,
     {
       nV = _be.get_vhandles(FaceHandle(i), vhandles);
       if ( header.mesh_ == 'P' )
-         bytes += store( _os, vhandles.size(),
-			OMFormat::Chunk::Integer_16, swap );
+        bytes += store( _os, vhandles.size(), OMFormat::Chunk::Integer_16, swap );
 
       for (size_t j=0; j < vhandles.size(); ++j)
       {
-         using namespace OMFormat;
-         using namespace GenProg;
+        using namespace OMFormat;
+        using namespace GenProg;
 
-	    bytes += store( _os, vhandles[j].idx(),
-			Chunk::Integer_Size(chunk_header.bits_), swap );
+        bytes += store( _os, vhandles[j].idx(), Chunk::Integer_Size(chunk_header.bits_), swap );
       }
     }
   }