diff --git a/examples/marmalade_example/marmalade_example.mkb b/examples/marmalade_example/marmalade_example.mkb
index 75cb2538..9f8ea44a 100644
--- a/examples/marmalade_example/marmalade_example.mkb
+++ b/examples/marmalade_example/marmalade_example.mkb
@@ -13,7 +13,6 @@ define _snprintf=snprintf
 options
 {
     optimise-speed=1
-    cxx11
 }
 
 includepaths
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 166bb30a..13b47861 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -14,7 +14,7 @@
 #include <math.h>               // sqrtf, fabsf, fmodf, powf, cosf, sinf, floorf, ceilf
 #include <stdio.h>              // vsnprintf, sscanf, printf
 
-#if defined(_MSC_VER)
+#ifdef _MSC_VER
 #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
 #define snprintf _snprintf
 #endif
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 1148ea99..09fcf015 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -26,7 +26,7 @@
 #endif
 #endif
 
-#if defined(_MSC_VER)
+#ifdef _MSC_VER
 #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
 #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
 #define snprintf _snprintf
diff --git a/imgui_internal.h b/imgui_internal.h
index ccd571fd..1fac4326 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -14,7 +14,7 @@
 #include <stdio.h>      // FILE*
 #include <math.h>       // sqrtf()
 
-#if defined(_MSC_VER)
+#ifdef _MSC_VER
 #pragma warning (push)
 #pragma warning (disable: 4251) // class 'xxx' needs to have dll-interface to be used by clients of struct 'xxx' // when IMGUI_API is set to__declspec(dllexport)
 #endif
@@ -698,6 +698,6 @@ namespace ImGui
 
 } // namespace ImGuiP
 
-#if defined(_MSC_VER)
+#ifdef _MSC_VER
 #pragma warning (pop)
 #endif