diff --git a/DirectXTex/BC6HBC7.cpp b/DirectXTex/BC6HBC7.cpp
index b9c011c..2fabbaa 100644
--- a/DirectXTex/BC6HBC7.cpp
+++ b/DirectXTex/BC6HBC7.cpp
@@ -1664,12 +1664,12 @@ void D3DX_BC6H::Decode(bool bSigned, HDRColorA* pOut) const
 
     if (ms_aModeToInfo[uMode] >= 0)
     {
-        assert(ms_aModeToInfo[uMode] < ARRAYSIZE(ms_aInfo));
-        _Analysis_assume_(ms_aModeToInfo[uMode] < ARRAYSIZE(ms_aInfo));
+        assert(static_cast<unsigned int>(ms_aModeToInfo[uMode]) < _countof(ms_aInfo));
+        _Analysis_assume_(ms_aModeToInfo[uMode] < _countof(ms_aInfo));
         const ModeDescriptor* desc = ms_aDesc[ms_aModeToInfo[uMode]];
 
-        assert(ms_aModeToInfo[uMode] < ARRAYSIZE(ms_aDesc));
-        _Analysis_assume_(ms_aModeToInfo[uMode] < ARRAYSIZE(ms_aDesc));
+        assert(static_cast<unsigned int>(ms_aModeToInfo[uMode]) < _countof(ms_aDesc));
+        _Analysis_assume_(ms_aModeToInfo[uMode] < _countof(ms_aDesc));
         const ModeInfo& info = ms_aInfo[ms_aModeToInfo[uMode]];
 
         INTEndPntPair aEndPts[BC6H_MAX_REGIONS] = {};
diff --git a/DirectXTex/DirectXTexP.h b/DirectXTex/DirectXTexP.h
index 1b56570..5cb5bc9 100644
--- a/DirectXTex/DirectXTexP.h
+++ b/DirectXTex/DirectXTexP.h
@@ -42,6 +42,11 @@
 // C4986 exception specification does not match previous declaration
 // C5029 nonstandard extension used
 
+#ifdef __INTEL_COMPILER
+#pragma warning(disable : 161)
+// warning #161: unrecognized #pragma
+#endif
+
 #pragma warning(push)
 #pragma warning(disable : 4005)
 #define WIN32_LEAN_AND_MEAN