diff --git a/code/ObjExporter.cpp b/code/ObjExporter.cpp
index e309faf79..14035c262 100644
--- a/code/ObjExporter.cpp
+++ b/code/ObjExporter.cpp
@@ -87,11 +87,16 @@ static const std::string MaterialExt = ".mtl";
 ObjExporter::ObjExporter(const char* _filename, const aiScene* pScene)
 : filename(_filename)
 , pScene(pScene)
-, endl("\n")
 , vp()
 , vn()
 , vt()
-, vc() {
+, vc() 
+, vpMap()
+, vnMap()
+, vtMap()
+, vcMap()
+, meshes()
+, endl("\n") {
     // make sure that all formatting happens using the standard, C locale and not the user's current locale
     const std::locale& l = std::locale("C");
     mOutput.imbue(l);
diff --git a/code/ObjExporter.h b/code/ObjExporter.h
index 754202d7b..0ba042b0b 100644
--- a/code/ObjExporter.h
+++ b/code/ObjExporter.h
@@ -98,16 +98,13 @@ private:
     void WriteHeader(std::ostringstream& out);
     void WriteMaterialFile();
     void WriteGeometryFile();
-
     std::string GetMaterialName(unsigned int index);
-
     void AddMesh(const aiString& name, const aiMesh* m, const aiMatrix4x4& mat);
     void AddNode(const aiNode* nd, const aiMatrix4x4& mParent);
 
 private:
     std::string filename;
     const aiScene* const pScene;
-
     std::vector<aiVector3D> vp, vn, vt;
     std::vector<aiColor4D> vc;
 
diff --git a/code/SIBImporter.cpp b/code/SIBImporter.cpp
index bf5d2bfd3..87e0d1585 100644
--- a/code/SIBImporter.cpp
+++ b/code/SIBImporter.cpp
@@ -66,7 +66,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <map>
 
-
 using namespace Assimp;
 
 static const aiImporterDesc desc = {
@@ -80,25 +79,26 @@ static const aiImporterDesc desc = {
     "sib"
 };
 
-struct SIBChunk
-{
+struct SIBChunk {
     uint32_t    Tag;
     uint32_t    Size;
 } PACK_STRUCT;
 
-enum { POS, NRM, UV,    N };
+enum { 
+    POS, 
+    NRM, 
+    UV,    
+    N
+};
 
 typedef std::pair<uint32_t, uint32_t> SIBPair;
-static SIBPair makePair(uint32_t a, uint32_t b) { return (a<b) ? SIBPair(a, b) : SIBPair(b, a); }
 
-struct SIBEdge
-{
+struct SIBEdge {
     uint32_t faceA, faceB;
     bool creased;
 };
 
-struct SIBMesh
-{
+struct SIBMesh {
     aiMatrix4x4 axis;
     uint32_t numPts;
     std::vector<aiVector3D> pos, nrm, uv;
@@ -109,15 +109,13 @@ struct SIBMesh
     std::map<SIBPair, uint32_t> edgeMap;
 };
 
-struct SIBObject
-{
+struct SIBObject {
     aiString name;
     aiMatrix4x4 axis;
     size_t meshIdx, meshCount;
 };
 
-struct SIB
-{
+struct SIB {
     std::vector<aiMaterial*> mtls;
     std::vector<aiMesh*> meshes;
     std::vector<aiLight*> lights;
@@ -125,8 +123,7 @@ struct SIB
 };
 
 // ------------------------------------------------------------------------------------------------
-static SIBEdge& GetEdge(SIBMesh* mesh, uint32_t posA, uint32_t posB)
-{
+static SIBEdge& GetEdge(SIBMesh* mesh, uint32_t posA, uint32_t posB) {
     SIBPair pair = (posA < posB) ? SIBPair(posA, posB) : SIBPair(posB, posA);
     std::map<SIBPair, uint32_t>::iterator it = mesh->edgeMap.find(pair);
     if (it != mesh->edgeMap.end())
diff --git a/test/unit/utBlendImportMaterials.cpp b/test/unit/utBlendImportMaterials.cpp
index 6e20d1299..dd67482ed 100644
--- a/test/unit/utBlendImportMaterials.cpp
+++ b/test/unit/utBlendImportMaterials.cpp
@@ -70,7 +70,7 @@ TEST_F(BlendImportMaterials, testImportMaterial)
     ASSERT_TRUE(pTest != NULL);
     ASSERT_TRUE(pTest->HasMaterials());
 
-    ASSERT_EQ(1, pTest->mNumMaterials);
+    ASSERT_EQ(1U, pTest->mNumMaterials);
 
     auto alpha = pTest->mMaterials[0];
 
@@ -86,8 +86,8 @@ TEST_F(BlendImportMaterials, testImportMaterial)
 
     ASSERT_PROPERTY_EQ(aiColor3D(0.1f, 0.2f, 0.3f), "diffuse.color", diffuseColor);
     ASSERT_PROPERTY_EQ(0.4f, "diffuse.intensity", diffuseIntensity);
-    ASSERT_PROPERTY_EQ(1, "diffuse.shader", diffuseShader);
-    ASSERT_PROPERTY_EQ(0, "diffuse.ramp", diffuseRamp);
+    ASSERT_PROPERTY_EQ(1U, "diffuse.shader", diffuseShader);
+    ASSERT_PROPERTY_EQ(0U, "diffuse.ramp", diffuseRamp);
 
     ASSERT_PROPERTY_EQ(aiColor3D(0.5f, 0.6f, 0.7f), "specular.color", specularColor);
     ASSERT_PROPERTY_EQ(0.8f, "specular.intensity", specularIntensity);
diff --git a/test/unit/utIOSystem.cpp b/test/unit/utIOSystem.cpp
index b339f9ee1..f33b22039 100644
--- a/test/unit/utIOSystem.cpp
+++ b/test/unit/utIOSystem.cpp
@@ -63,12 +63,13 @@ protected:
 
 TEST_F( IOSystemTest, accessDirectoryStackTest ) {
     EXPECT_FALSE( pImp->PopDirectory() );
-    EXPECT_EQ( 0, pImp->StackSize() );
+    EXPECT_EQ( 0U, pImp->StackSize() );
     EXPECT_FALSE( pImp->PushDirectory( "" ) );
     std::string path = "test/";
     EXPECT_TRUE( pImp->PushDirectory( path ) );
-    EXPECT_EQ( 1, pImp->StackSize() );
+    EXPECT_EQ( 1U, pImp->StackSize() );
     EXPECT_EQ( path, pImp->CurrentDirectory() );
     EXPECT_TRUE( pImp->PopDirectory() );
-    EXPECT_EQ( 0, pImp->StackSize() );
+    EXPECT_EQ( 0U, pImp->StackSize() );
 }
+
diff --git a/test/unit/utOpenGEXImportExport.cpp b/test/unit/utOpenGEXImportExport.cpp
index c9454f6f6..60e8ce3a2 100644
--- a/test/unit/utOpenGEXImportExport.cpp
+++ b/test/unit/utOpenGEXImportExport.cpp
@@ -66,5 +66,6 @@ TEST_F( utOpenGEXImportExport, importLWSFromFileTest ) {
 TEST_F( utOpenGEXImportExport, Importissue1262_NoCrash ) {
     Assimp::Importer importer;
     const aiScene *scene = importer.ReadFile( ASSIMP_TEST_MODELS_DIR "/OpenGEX/light_issue1262.ogex", 0 );
+    EXPECT_NE( nullptr, scene );
 
 }