diff --git a/.travis.yml b/.travis.yml
index 08b754445..6588285d8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,11 +10,10 @@ language: cpp
 
 compiler:
   - gcc
-  - clang
 
 before_script:
   cmake . -DASSIMP_ENABLE_BOOST_WORKAROUND=YES
-  
+
 script:
   make
 
diff --git a/code/DXFHelper.h b/code/DXFHelper.h
index a438c6de8..29e082e79 100644
--- a/code/DXFHelper.h
+++ b/code/DXFHelper.h
@@ -66,6 +66,8 @@ public:
     LineReader(StreamReaderLE& reader)
          // do NOT skip empty lines. In DXF files, they count as valid data.
         : splitter(reader,false,true)
+        , groupcode( 0 )
+        , value()
         , end()
     {
     }
diff --git a/code/LineSplitter.h b/code/LineSplitter.h
index b517bd2be..ea4a9028f 100644
--- a/code/LineSplitter.h
+++ b/code/LineSplitter.h
@@ -83,7 +83,8 @@ public:
     note: trim is *always* assumed true if skyp_empty_lines==true
     */
     LineSplitter(StreamReaderLE& stream, bool skip_empty_lines = true, bool trim = true)
-        : stream(stream)
+        : idx( 0 )
+        , stream(stream)
         , swallow()
         , skip_empty_lines(skip_empty_lines)
         , trim(trim)
@@ -94,6 +95,10 @@ public:
         idx = 0;
     }
 
+    ~LineSplitter() {
+        // empty
+    }
+
 public:
 
     // -----------------------------------------
@@ -227,7 +232,10 @@ public:
     }
 
 private:
+    LineSplitter( const LineSplitter & );
+    LineSplitter &operator = ( const LineSplitter & );
 
+private:
     line_idx idx;
     std::string cur;
     StreamReaderLE& stream;
diff --git a/code/MakeVerboseFormat.cpp b/code/MakeVerboseFormat.cpp
index 03f9c074d..0d625986d 100644
--- a/code/MakeVerboseFormat.cpp
+++ b/code/MakeVerboseFormat.cpp
@@ -172,13 +172,14 @@ bool MakeVerboseFormatProcess::MakeVerboseFormat(aiMesh* pcMesh)
     for (unsigned int i = 0;i < pcMesh->mNumBones;++i)
     {
         delete pcMesh->mBones[i]->mWeights;
-        if (!newWeights[i].empty())
-        {
+        if (!newWeights[i].empty()) {
             pcMesh->mBones[i]->mWeights = new aiVertexWeight[newWeights[i].size()];
-            memcpy(pcMesh->mBones[i]->mWeights,&newWeights[i][0],
+            memcpy(pcMesh->mBones[i]->mWeights, &newWeights[i][0],
                 sizeof(aiVertexWeight) * newWeights[i].size());
+            delete[] newWeights;
+        } else {
+            pcMesh->mBones[i]->mWeights = NULL;
         }
-        else pcMesh->mBones[i]->mWeights = NULL;
     }
 
     // delete the old members
diff --git a/code/OpenGEXImporter.cpp b/code/OpenGEXImporter.cpp
index ab702b717..f260cc772 100644
--- a/code/OpenGEXImporter.cpp
+++ b/code/OpenGEXImporter.cpp
@@ -801,19 +801,6 @@ void OpenGEXImporter::handleColorNode( ODDLParser::DDLNode *node, aiScene *pScen
     }
 }
 
-//------------------------------------------------------------------------------------------------
-bool isSpecialRootDir(aiString &texName) {
-    if (texName.length < 2) {
-        return false;
-    }
-
-    if (texName.data[0] = '/' || texName.data[1] == '/') {
-        return true;
-    }
-
-    return false;
-}
-
 //------------------------------------------------------------------------------------------------
 void OpenGEXImporter::handleTextureNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
     if( NULL == node ) {
diff --git a/code/PlyLoader.cpp b/code/PlyLoader.cpp
index f86ddcead..eaa919277 100644
--- a/code/PlyLoader.cpp
+++ b/code/PlyLoader.cpp
@@ -312,6 +312,7 @@ void PLYImporter::ConvertMeshes(std::vector<PLY::Face>* avFaces,
             p_pcOut->mNumVertices = iNum;
             if( 0 == iNum ) {     // nothing to do 
                 delete[] aiSplit; // cleanup
+                delete p_pcOut;
                 return;
             }
             p_pcOut->mVertices = new aiVector3D[iNum];
diff --git a/code/ProcessHelper.cpp b/code/ProcessHelper.cpp
index cb38d96ef..3a774e7b8 100644
--- a/code/ProcessHelper.cpp
+++ b/code/ProcessHelper.cpp
@@ -95,12 +95,16 @@ void FindMeshCenter (aiMesh* mesh, aiVector3D& out, aiVector3D& min, aiVector3D&
 }
 
 // -------------------------------------------------------------------------------
-void FindSceneCenter (aiScene* scene, aiVector3D& out, aiVector3D& min, aiVector3D& max)
-{
-    if (scene->mNumMeshes == 0) return;
+void FindSceneCenter (aiScene* scene, aiVector3D& out, aiVector3D& min, aiVector3D& max) {
+    if ( NULL == scene ) {
+        return;
+    }
+
+    if ( 0 == scene->mNumMeshes ) {
+        return;
+    }
     FindMeshCenter(scene->mMeshes[0], out, min, max);
-    for (unsigned int i = 1; i < scene->mNumMeshes; ++i)
-    {
+    for (unsigned int i = 1; i < scene->mNumMeshes; ++i) {
         aiVector3D tout, tmin, tmax;
         FindMeshCenter(scene->mMeshes[i], tout, tmin, tmax);
         if (min[0] > tmin[0]) min[0] = tmin[0];
@@ -151,6 +155,8 @@ float ComputePositionEpsilon(const aiMesh* pMesh)
 // -------------------------------------------------------------------------------
 float ComputePositionEpsilon(const aiMesh* const* pMeshes, size_t num)
 {
+    ai_assert( NULL != pMeshes );
+
     const float epsilon = 1e-4f;
 
     // calculate the position bounds so we have a reliable epsilon to check position differences against
diff --git a/code/RemoveRedundantMaterials.cpp b/code/RemoveRedundantMaterials.cpp
index 290396f20..3a8bb065d 100644
--- a/code/RemoveRedundantMaterials.cpp
+++ b/code/RemoveRedundantMaterials.cpp
@@ -55,7 +55,7 @@ using namespace Assimp;
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
 RemoveRedundantMatsProcess::RemoveRedundantMatsProcess()
-{
+: configFixedMaterials() {
     // nothing to do here
 }
 
@@ -126,16 +126,18 @@ void RemoveRedundantMatsProcess::Execute( aiScene* pScene)
             }
         }
 
-        // TODO: reimplement this algorithm to work in-place
-        unsigned int* aiMappingTable = new unsigned int[pScene->mNumMaterials];
+        // TODO: re-implement this algorithm to work in-place
+        unsigned int *aiMappingTable = new unsigned int[pScene->mNumMaterials];
+        for ( unsigned int i=0; i<pScene->mNumMaterials; i++ ) {
+            aiMappingTable[ i ] = 0;
+        }
         unsigned int iNewNum = 0;
 
         // Iterate through all materials and calculate a hash for them
         // store all hashes in a list and so a quick search whether
         // we do already have a specific hash. This allows us to
         // determine which materials are identical.
-        uint32_t* aiHashes;
-        aiHashes = new uint32_t[pScene->mNumMaterials];
+        uint32_t *aiHashes = new uint32_t[ pScene->mNumMaterials ];;
         for (unsigned int i = 0; i < pScene->mNumMaterials;++i)
         {
             // No mesh is referencing this material, remove it.
@@ -177,18 +179,18 @@ void RemoveRedundantMatsProcess::Execute( aiScene* pScene)
 
                 // generate new names for all modified materials
                 const unsigned int idx = aiMappingTable[p];
-                if (ppcMaterials[idx])
-                {
+                if (ppcMaterials[idx]) {
                     aiString sz;
                     sz.length = ::sprintf(sz.data,"JoinedMaterial_#%u",p);
                     ((aiMaterial*)ppcMaterials[idx])->AddProperty(&sz,AI_MATKEY_NAME);
-                }
-                else
+                } else {
                     ppcMaterials[idx] = pScene->mMaterials[p];
+                }
             }
             // update all material indices
             for (unsigned int p = 0; p < pScene->mNumMeshes;++p) {
                 aiMesh* mesh = pScene->mMeshes[p];
+                ai_assert( NULL!=mesh );
                 mesh->mMaterialIndex = aiMappingTable[mesh->mMaterialIndex];
             }
             // delete the old material list
diff --git a/code/STEPFile.h b/code/STEPFile.h
index ae7df67da..d707fed5b 100644
--- a/code/STEPFile.h
+++ b/code/STEPFile.h
@@ -863,6 +863,7 @@ namespace STEP {
             : reader(reader)
             , splitter(*reader,true,true)
             , evaluated_count()
+            , schema( NULL )
         {}
 
     public: