diff --git a/Src/IACore/imp/inl/IACore/memory/allocator/general.inl b/Src/IACore/imp/inl/IACore/memory/allocator/general.inl
index 36371b3..dfb64de 100644
--- a/Src/IACore/imp/inl/IACore/memory/allocator/general.inl
+++ b/Src/IACore/imp/inl/IACore/memory/allocator/general.inl
@@ -47,7 +47,7 @@ namespace ia
     UNUSED(hint);
     const size_type size = (sizeof(value_type) * count);
     const auto ptr = reinterpret_cast<size_type>(_ia_malloc(size + alignment + sizeof(PVOID)));
-    const auto aligned_ptr = reinterpret_cast<size_type>(ptr + sizeof(PVOID) + alignment - (ptr % alignment));
+    const auto aligned_ptr = (size_type)(ptr + sizeof(PVOID) + alignment - (ptr % alignment));
     *(reinterpret_cast<size_type*>(aligned_ptr-sizeof(PVOID))) = ptr;
     return reinterpret_cast<pointer_type>(aligned_ptr);
   }
diff --git a/Src/IACore/inc/hpp/IACore/Definitions.hpp b/Src/IACore/inc/hpp/IACore/Definitions.hpp
index 02ad0ac..3d7e1d9 100644
--- a/Src/IACore/inc/hpp/IACore/Definitions.hpp
+++ b/Src/IACore/inc/hpp/IACore/Definitions.hpp
@@ -27,12 +27,6 @@
 #include <type_traits>
 #include <initializer_list>
 
-#if defined (_MSC_VER )
-#if !defined(__clang__)
-#error "IA software does not support compilation with MSVC. Please use Clang on Windows platforms."
-#endif
-#endif
-
 #define IAC_SEC_LEVEL(v) (IACORE_SECURITY_LEVEL >= v)
 
 #define IA_DEFINED_TRUE(o) (defined(o) && (o > 0))
diff --git a/Src/IACoreTest/CMakeLists.txt b/Src/IACoreTest/CMakeLists.txt
index 03f16c3..d92992b 100644
--- a/Src/IACoreTest/CMakeLists.txt
+++ b/Src/IACoreTest/CMakeLists.txt
@@ -1,8 +1,6 @@
 add_executable(IACoreTest imp/cpp/Main.cpp)
 
 target_compile_options(IACoreTest PRIVATE
-    "-g"
-    "-O0"
     "-D__IA_DEBUG=1"
 )