diff --git a/backends/imgui_impl_opengl2.cpp b/backends/imgui_impl_opengl2.cpp
index 2fd0d2b282ef..04c19d67d2f8 100644
--- a/backends/imgui_impl_opengl2.cpp
+++ b/backends/imgui_impl_opengl2.cpp
@@ -39,11 +39,7 @@
 #include "imgui.h"
 #ifndef IMGUI_DISABLE
 #include "imgui_impl_opengl2.h"
-#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
-#include <stddef.h>     // intptr_t
-#else
 #include <stdint.h>     // intptr_t
-#endif
 
 // Clang/GCC warnings with -Weverything
 #if defined(__clang__)
diff --git a/backends/imgui_impl_opengl3.cpp b/backends/imgui_impl_opengl3.cpp
index ae01d58f6ce4..e511cf81467f 100644
--- a/backends/imgui_impl_opengl3.cpp
+++ b/backends/imgui_impl_opengl3.cpp
@@ -107,11 +107,7 @@
 #ifndef IMGUI_DISABLE
 #include "imgui_impl_opengl3.h"
 #include <stdio.h>
-#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
-#include <stddef.h>     // intptr_t
-#else
 #include <stdint.h>     // intptr_t
-#endif
 #if defined(__APPLE__)
 #include <TargetConditionals.h>
 #endif
diff --git a/backends/imgui_impl_sdlrenderer2.cpp b/backends/imgui_impl_sdlrenderer2.cpp
index a08496a5bca1..ef38eae22caf 100644
--- a/backends/imgui_impl_sdlrenderer2.cpp
+++ b/backends/imgui_impl_sdlrenderer2.cpp
@@ -26,11 +26,7 @@
 #include "imgui.h"
 #ifndef IMGUI_DISABLE
 #include "imgui_impl_sdlrenderer2.h"
-#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
-#include <stddef.h>     // intptr_t
-#else
 #include <stdint.h>     // intptr_t
-#endif
 
 // Clang warnings with -Weverything
 #if defined(__clang__)
diff --git a/backends/imgui_impl_sdlrenderer3.cpp b/backends/imgui_impl_sdlrenderer3.cpp
index e1bce4a79e02..417157267084 100644
--- a/backends/imgui_impl_sdlrenderer3.cpp
+++ b/backends/imgui_impl_sdlrenderer3.cpp
@@ -21,11 +21,7 @@
 #include "imgui.h"
 #ifndef IMGUI_DISABLE
 #include "imgui_impl_sdlrenderer3.h"
-#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
-#include <stddef.h>     // intptr_t
-#else
 #include <stdint.h>     // intptr_t
-#endif
 
 // Clang warnings with -Weverything
 #if defined(__clang__)
diff --git a/imgui.cpp b/imgui.cpp
index 68fb6c691b21..55a4dc4ecc7c 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -934,11 +934,7 @@ CODE
 
 // System includes
 #include <stdio.h>      // vsnprintf, sscanf, printf
-#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
-#include <stddef.h>     // intptr_t
-#else
 #include <stdint.h>     // intptr_t
-#endif
 
 // [Windows] On non-Visual Studio compilers, we default to IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS unless explicitly enabled
 #if defined(_WIN32) && !defined(_MSC_VER) && !defined(IMGUI_ENABLE_WIN32_DEFAULT_IME_FUNCTIONS) && !defined(IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS)
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index bf1384b15234..1f16bb9d66c3 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -93,11 +93,7 @@ Index of this file:
 #include <math.h>           // sqrtf, powf, cosf, sinf, floorf, ceilf
 #include <stdio.h>          // vsnprintf, sscanf, printf
 #include <stdlib.h>         // NULL, malloc, free, atoi
-#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
-#include <stddef.h>         // intptr_t
-#else
 #include <stdint.h>         // intptr_t
-#endif
 
 // Visual Studio warnings
 #ifdef _MSC_VER
diff --git a/imgui_tables.cpp b/imgui_tables.cpp
index 59980d8f54e3..ec87fa6e1ca6 100644
--- a/imgui_tables.cpp
+++ b/imgui_tables.cpp
@@ -198,11 +198,7 @@ Index of this file:
 #include "imgui_internal.h"
 
 // System includes
-#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
-#include <stddef.h>     // intptr_t
-#else
 #include <stdint.h>     // intptr_t
-#endif
 
 // Visual Studio warnings
 #ifdef _MSC_VER
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 412984a9c8dc..d79d1e7c2be6 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -41,11 +41,7 @@ Index of this file:
 #include "imgui_internal.h"
 
 // System includes
-#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
-#include <stddef.h>     // intptr_t
-#else
 #include <stdint.h>     // intptr_t
-#endif
 
 //-------------------------------------------------------------------------
 // Warnings