diff --git a/code/ObjExporter.cpp b/code/ObjExporter.cpp
index c252cf390..564de1c12 100644
--- a/code/ObjExporter.cpp
+++ b/code/ObjExporter.cpp
@@ -124,11 +124,6 @@ std::string ObjExporter :: GetMaterialLibName()
 // ------------------------------------------------------------------------------------------------
 std::string ObjExporter :: GetMaterialLibFileName()
 {
-    // Remove existing .obj file extention so that the final material file name will be fileName.mtl and not fileName.obj.mtl
-    size_t lastdot = filename.find_last_of(".");
-    if (lastdot != std::string::npos)
-        filename = filename.substr(0, lastdot);
-        
     return filename + MaterialExt;
 }
 
diff --git a/samples/SimpleOpenGL/Debug/vc140.idb b/samples/SimpleOpenGL/Debug/vc140.idb
deleted file mode 100644
index 29cc472d9..000000000
Binary files a/samples/SimpleOpenGL/Debug/vc140.idb and /dev/null differ
diff --git a/samples/SimpleOpenGL/Debug/vc140.pdb b/samples/SimpleOpenGL/Debug/vc140.pdb
deleted file mode 100644
index 39a9ed3f6..000000000
Binary files a/samples/SimpleOpenGL/Debug/vc140.pdb and /dev/null differ
diff --git a/samples/SimpleOpenGL/SimpleOpenGL.VC.db b/samples/SimpleOpenGL/SimpleOpenGL.VC.db
deleted file mode 100644
index 1c7c98b31..000000000
Binary files a/samples/SimpleOpenGL/SimpleOpenGL.VC.db and /dev/null differ
diff --git a/samples/SimpleOpenGL/SimpleOpenGL.vcxproj.user b/samples/SimpleOpenGL/SimpleOpenGL.vcxproj.user
deleted file mode 100644
index abe8dd896..000000000
--- a/samples/SimpleOpenGL/SimpleOpenGL.vcxproj.user
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup />
-</Project>
\ No newline at end of file
diff --git a/samples/SimpleOpenGL/UpgradeLog.htm b/samples/SimpleOpenGL/UpgradeLog.htm
deleted file mode 100644
index 328279675..000000000
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diff --git a/samples/SimpleOpenGL/UpgradeLog2.htm b/samples/SimpleOpenGL/UpgradeLog2.htm
deleted file mode 100644
index 01819937c..000000000
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