diff --git a/code/ObjFileData.h b/code/ObjFileData.h
index 4331a7d10..7b30efe2e 100755
--- a/code/ObjFileData.h
+++ b/code/ObjFileData.h
@@ -277,7 +277,7 @@ struct Model
 	//!	Material map
 	std::map<std::string, Material*> m_MaterialMap;
 
-	//!	\brief	Default constructor
+	//!	\brief	The default class constructor
 	Model() :
 		m_ModelName(""),
 		m_pCurrent(NULL),
@@ -290,7 +290,7 @@ struct Model
 		// empty
 	}
 	
-	//!	\brief	Destructor
+	//!	\brief	The class destructor
 	~Model()
 	{
 		// Clear all stored object instances
diff --git a/code/ObjFileImporter.cpp b/code/ObjFileImporter.cpp
index f8568391d..14c8e8aff 100644
--- a/code/ObjFileImporter.cpp
+++ b/code/ObjFileImporter.cpp
@@ -123,8 +123,9 @@ void ObjFileImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
 
 	// Get the file-size and validate it, throwing an exception when fails
 	size_t fileSize = file->FileSize();
-	if( fileSize < 16)
+	if( fileSize < 16) {
 		throw DeadlyImportError( "OBJ-file is too small.");
+    }
 
 	// Allocate buffer and read file into it
 	TextFileToBuffer(file.get(),m_Buffer);
@@ -167,15 +168,15 @@ void ObjFileImporter::CreateDataFromImport(const ObjFile::Model* pModel, aiScene
 	}
 	else
 	{
-		// This is an error, so break down the application
+		// This is a fatal error, so break down the application
 		ai_assert(false);
-	}
+	} 
 
 	// Create nodes for the whole scene	
 	std::vector<aiMesh*> MeshArray;
 	for (size_t index = 0; index < pModel->m_Objects.size(); index++)
 	{
-		createNodes(pModel, pModel->m_Objects[ index ], index, pScene->mRootNode, pScene, MeshArray);
+		createNodes(pModel, pModel->m_Objects[ index ], pScene->mRootNode, pScene, MeshArray);
 	}
 
 	// Create mesh pointer buffer for this scene
@@ -195,7 +196,6 @@ void ObjFileImporter::CreateDataFromImport(const ObjFile::Model* pModel, aiScene
 // ------------------------------------------------------------------------------------------------
 //	Creates all nodes of the model
 aiNode *ObjFileImporter::createNodes(const ObjFile::Model* pModel, const ObjFile::Object* pObject, 
-									 unsigned int /*uiMeshIndex*/,
 									 aiNode *pParent, aiScene* pScene, 
 									 std::vector<aiMesh*> &MeshArray )
 {
diff --git a/code/ObjFileImporter.h b/code/ObjFileImporter.h
index 42e69a840..ca931088a 100644
--- a/code/ObjFileImporter.h
+++ b/code/ObjFileImporter.h
@@ -87,7 +87,7 @@ private:
 	void CreateDataFromImport(const ObjFile::Model* pModel, aiScene* pScene);
 	
 	//!	\brief	Creates all nodes stored in imported content.
-	aiNode *createNodes(const ObjFile::Model* pModel, const ObjFile::Object* pData, unsigned int uiMeshIndex,
+	aiNode *createNodes(const ObjFile::Model* pModel, const ObjFile::Object* pData,
 		aiNode *pParent, aiScene* pScene, std::vector<aiMesh*> &MeshArray);
 
 	//!	\brief	Creates topology data like faces and meshes for the geometry.
diff --git a/code/ObjFileParser.cpp b/code/ObjFileParser.cpp
index e701ddc62..ef3deb20f 100644
--- a/code/ObjFileParser.cpp
+++ b/code/ObjFileParser.cpp
@@ -50,10 +50,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "../include/assimp/types.h"
 #include "DefaultIOSystem.h"
 
-namespace Assimp	
-{
+namespace Assimp {
 
-// -------------------------------------------------------------------
 const std::string ObjFileParser::DEFAULT_MATERIAL = AI_DEFAULT_MATERIAL_NAME; 
 
 // -------------------------------------------------------------------
@@ -71,9 +69,10 @@ ObjFileParser::ObjFileParser(std::vector<char> &Data,const std::string &strModel
 	m_pModel = new ObjFile::Model();
 	m_pModel->m_ModelName = strModelName;
 	
+    // create default material and store it
 	m_pModel->m_pDefaultMaterial = new ObjFile::Material();
 	m_pModel->m_pDefaultMaterial->MaterialName.Set( DEFAULT_MATERIAL );
-	m_pModel->m_MaterialLib.push_back( DEFAULT_MATERIAL );
+    m_pModel->m_MaterialLib.push_back( DEFAULT_MATERIAL );
 	m_pModel->m_MaterialMap[ DEFAULT_MATERIAL ] = m_pModel->m_pDefaultMaterial;
 	
 	// Start parsing the file
@@ -84,9 +83,6 @@ ObjFileParser::ObjFileParser(std::vector<char> &Data,const std::string &strModel
 //	Destructor
 ObjFileParser::~ObjFileParser()
 {
-	/*delete m_pModel->m_pDefaultMaterial;
-	m_pModel->m_pDefaultMaterial = NULL;*/
-
 	delete m_pModel;
 	m_pModel = NULL;
 }