diff --git a/BPTCEncoder/src/RGBAEndpoints.cpp b/BPTCEncoder/src/RGBAEndpoints.cpp
index a2d5bef..e21abbb 100755
--- a/BPTCEncoder/src/RGBAEndpoints.cpp
+++ b/BPTCEncoder/src/RGBAEndpoints.cpp
@@ -97,8 +97,6 @@ static T max(const T &a, const T &b) {
 }
 #endif
 
-static const double kPi = 3.141592653589793238462643383279502884197;
-
 ///////////////////////////////////////////////////////////////////////////////
 //
 // Static helper functions
diff --git a/Base/test/TestVector.cpp b/Base/test/TestVector.cpp
index b550751..e66b660 100644
--- a/Base/test/TestVector.cpp
+++ b/Base/test/TestVector.cpp
@@ -64,7 +64,7 @@ TEST(VectorBase, Constructors) {
   for(int i = 0; i < 7; i++)
 	v7i[i] = -i;
   FasTC::VectorBase<unsigned, 16> v16u;
-  for(int i = 0; i < 7; i++)
+  for(int i = 0; i < 16; i++)
 	v16u[i] = i;
 
 #define TEST_VECTOR_COPY_CONS(v, t, n)          \
diff --git a/Core/src/ThreadGroup.h b/Core/src/ThreadGroup.h
index 8c4a79b..3956444 100644
--- a/Core/src/ThreadGroup.h
+++ b/Core/src/ThreadGroup.h
@@ -125,8 +125,6 @@ class ThreadGroup {
 
   EThreadState m_ThreadState;
   bool m_ExitFlag;
-
-  std::ostream *m_LogStream;
 };
 
 #endif // _THREAD_GROUP_H_
diff --git a/Core/src/ThreadPThread.cpp b/Core/src/ThreadPThread.cpp
index e55da1c..de7b871 100644
--- a/Core/src/ThreadPThread.cpp
+++ b/Core/src/ThreadPThread.cpp
@@ -140,6 +140,8 @@ void TCThread::Yield() {
 uint64 TCThread::ThreadID() {
 #ifdef __MINGW32__
   return static_cast<uint64>(pthread_self().x);
+#elif defined __APPLE__
+  return reinterpret_cast<uint64>(pthread_self());
 #else
   return static_cast<uint64>(pthread_self());
 #endif
diff --git a/IO/include/ImageFile.h b/IO/include/ImageFile.h
index 2b7e01c..033f51b 100644
--- a/IO/include/ImageFile.h
+++ b/IO/include/ImageFile.h
@@ -86,7 +86,6 @@ public:
 
   static const unsigned int kMaxFilenameSz = 256;
   char m_Filename[kMaxFilenameSz];
-  unsigned int m_Handle;
   unsigned int m_Width;
   unsigned int m_Height;
 
diff --git a/IO/src/ImageFile.cpp b/IO/src/ImageFile.cpp
index 1fe183b..a8619fd 100644
--- a/IO/src/ImageFile.cpp
+++ b/IO/src/ImageFile.cpp
@@ -241,7 +241,8 @@ EImageFileFormat ImageFile::DetectFileFormat(const CHAR *filename) {
 
   size_t len = strlen(filename);
   if(len >= 256) {
-    // !FIXME! Report Error...
+    assert(false);
+    ReportError("Filename too long!");
     return kNumImageFileFormats;
   }
 
@@ -249,6 +250,7 @@ EImageFileFormat ImageFile::DetectFileFormat(const CHAR *filename) {
 
   while((dotPos >= len)? false : filename[dotPos--] != '.');
   if (dotPos >= len) {
+    assert(!"Malformed filename... no .ext");
     return kNumImageFileFormats;
   }
   
diff --git a/IO/src/ImageLoaderKTX.cpp b/IO/src/ImageLoaderKTX.cpp
index 4e05201..20ddc34 100644
--- a/IO/src/ImageLoaderKTX.cpp
+++ b/IO/src/ImageLoaderKTX.cpp
@@ -216,7 +216,7 @@ bool ImageLoaderKTX::ReadData() {
       memcpy(keyValueData, rdr.GetData(), keyAndValueByteSize);
       const char *key = reinterpret_cast<const char *>((const uint8 *)keyValueData);
       const char *value = key;
-      while(value != '\0') {
+      while(*value != '\0') {
         value++;
       }
       value++; // consume the null byte