diff --git a/VisualC/SDL/SDL.vcxproj b/VisualC/SDL/SDL.vcxproj
index 5a63ba770e..a40d5acb57 100644
--- a/VisualC/SDL/SDL.vcxproj
+++ b/VisualC/SDL/SDL.vcxproj
@@ -332,6 +332,7 @@
     <ClInclude Include="..\..\src\dynapi\SDL_dynapi.h" />
     <ClInclude Include="..\..\src\dynapi\SDL_dynapi_overrides.h" />
     <ClInclude Include="..\..\src\dynapi\SDL_dynapi_procs.h" />
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_unsupported.h" />
     <ClInclude Include="..\..\src\events\blank_cursor.h" />
     <ClInclude Include="..\..\src\events\default_cursor.h" />
     <ClInclude Include="..\..\src\events\scancodes_windows.h" />
diff --git a/VisualC/SDL/SDL.vcxproj.filters b/VisualC/SDL/SDL.vcxproj.filters
index b2e57b4fab..f72a3a0fca 100644
--- a/VisualC/SDL/SDL.vcxproj.filters
+++ b/VisualC/SDL/SDL.vcxproj.filters
@@ -444,6 +444,9 @@
     <ClInclude Include="..\..\src\dynapi\SDL_dynapi_procs.h">
       <Filter>dynapi</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_unsupported.h">
+      <Filter>dynapi</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\src\events\SDL_clipboardevents_c.h">
       <Filter>events</Filter>
     </ClInclude>
diff --git a/src/dynapi/SDL_dynapi.c b/src/dynapi/SDL_dynapi.c
index 9ec57e41e0..8dc4b999a1 100644
--- a/src/dynapi/SDL_dynapi.c
+++ b/src/dynapi/SDL_dynapi.c
@@ -21,6 +21,7 @@
 
 #include "build_config/SDL_build_config.h"
 #include "SDL_dynapi.h"
+#include "SDL_dynapi_unsupported.h"
 
 #if SDL_DYNAMIC_API
 
diff --git a/src/dynapi/SDL_dynapi_procs.h b/src/dynapi/SDL_dynapi_procs.h
index 4e04f0c0b2..b8ac62c583 100644
--- a/src/dynapi/SDL_dynapi_procs.h
+++ b/src/dynapi/SDL_dynapi_procs.h
@@ -65,43 +65,30 @@ SDL_DYNAPI_PROC(SDL_Thread*,SDL_CreateThreadWithStackSize,(SDL_ThreadFunction a,
 SDL_DYNAPI_PROC(SDL_Thread*,SDL_CreateThreadWithStackSize,(SDL_ThreadFunction a, const char *b, const size_t c, void *d),(a,b,c,d),return)
 #endif
 
-#if defined(__WIN32__) || defined(__GDK__)
 SDL_DYNAPI_PROC(int,SDL_RegisterApp,(const char *a, Uint32 b, void *c),(a,b,c),return)
 SDL_DYNAPI_PROC(ID3D12Device*,SDL_RenderGetD3D12Device,(SDL_Renderer *a),(a),return)
 SDL_DYNAPI_PROC(void,SDL_SetWindowsMessageHook,(SDL_WindowsMessageHook a, void *b),(a,b),)
 SDL_DYNAPI_PROC(void,SDL_UnregisterApp,(void),(),)
-#endif
 
-#if defined(__WIN32__) || defined(__WINGDK__)
 SDL_DYNAPI_PROC(SDL_bool,SDL_DXGIGetOutputInfo,(SDL_DisplayID a, int *b, int *c),(a,b,c),return)
 SDL_DYNAPI_PROC(int,SDL_Direct3D9GetAdapterIndex,(SDL_DisplayID a),(a),return)
 SDL_DYNAPI_PROC(ID3D11Device*,SDL_GetRenderD3D11Device,(SDL_Renderer *a),(a),return)
 SDL_DYNAPI_PROC(IDirect3DDevice9*,SDL_GetRenderD3D9Device,(SDL_Renderer *a),(a),return)
-#endif
 
-#ifdef __GDK__
 SDL_DYNAPI_PROC(int,SDL_GDKGetTaskQueue,(XTaskQueueHandle *a),(a),return)
 SDL_DYNAPI_PROC(void,SDL_GDKSuspendComplete,(void),(),)
-#endif
 
-#ifdef __WINRT__
 SDL_DYNAPI_PROC(SDL_WinRT_DeviceFamily,SDL_WinRTGetDeviceFamily,(void),(),return)
 SDL_DYNAPI_PROC(const wchar_t*,SDL_WinRTGetFSPathUNICODE,(SDL_WinRT_Path a),(a),return)
 SDL_DYNAPI_PROC(const char*,SDL_WinRTGetFSPathUTF8,(SDL_WinRT_Path a),(a),return)
-#endif
 
-#ifdef __LINUX__
 SDL_DYNAPI_PROC(int,SDL_LinuxSetThreadPriority,(Sint64 a, int b),(a,b),return)
 SDL_DYNAPI_PROC(int,SDL_LinuxSetThreadPriorityAndPolicy,(Sint64 a, int b, int c),(a,b,c),return)
-#endif
 
-#ifdef __IOS__
 SDL_DYNAPI_PROC(void,SDL_OnApplicationDidChangeStatusBarOrientation,(void),(),)
 SDL_DYNAPI_PROC(int,SDL_iPhoneSetAnimationCallback,(SDL_Window *a, int b, void (SDLCALL *c)(void *), void *d),(a,b,c,d),return)
 SDL_DYNAPI_PROC(void,SDL_iPhoneSetEventPump,(SDL_bool a),(a),)
-#endif
 
-#ifdef __ANDROID__
 SDL_DYNAPI_PROC(void,SDL_AndroidBackButton,(void),(),)
 SDL_DYNAPI_PROC(void*,SDL_AndroidGetActivity,(void),(),return)
 SDL_DYNAPI_PROC(const char*,SDL_AndroidGetExternalStoragePath,(void),(),return)
@@ -115,7 +102,6 @@ SDL_DYNAPI_PROC(int,SDL_GetAndroidSDKVersion,(void),(),return)
 SDL_DYNAPI_PROC(SDL_bool,SDL_IsAndroidTV,(void),(),return)
 SDL_DYNAPI_PROC(SDL_bool,SDL_IsChromebook,(void),(),return)
 SDL_DYNAPI_PROC(SDL_bool,SDL_IsDeXMode,(void),(),return)
-#endif
 
 SDL_DYNAPI_PROC(void,SDL_AddEventWatch,(SDL_EventFilter a, void *b),(a,b),)
 SDL_DYNAPI_PROC(int,SDL_AddGamepadMapping,(const char *a),(a),return)
@@ -966,9 +952,9 @@ SDL_DYNAPI_PROC(SDL_bool,SDL_WriteS32LE,(SDL_RWops *a, Sint32 b),(a,b),return)
 SDL_DYNAPI_PROC(SDL_bool,SDL_WriteS32BE,(SDL_RWops *a, Sint32 b),(a,b),return)
 SDL_DYNAPI_PROC(SDL_bool,SDL_WriteS64LE,(SDL_RWops *a, Sint64 b),(a,b),return)
 SDL_DYNAPI_PROC(SDL_bool,SDL_WriteS64BE,(SDL_RWops *a, Sint64 b),(a,b),return)
-#ifdef __GDK__
+
 SDL_DYNAPI_PROC(int,SDL_GDKGetDefaultUser,(XUserHandle *a),(a),return)
-#endif
+
 SDL_DYNAPI_PROC(int,SDL_SetWindowFocusable,(SDL_Window *a, SDL_bool b),(a,b),return)
 SDL_DYNAPI_PROC(float,SDL_GetAudioStreamFrequencyRatio,(SDL_AudioStream *a),(a),return)
 SDL_DYNAPI_PROC(int,SDL_SetAudioStreamFrequencyRatio,(SDL_AudioStream *a, float b),(a,b),return)
diff --git a/src/dynapi/SDL_dynapi_unsupported.h b/src/dynapi/SDL_dynapi_unsupported.h
new file mode 100644
index 0000000000..40c1feee16
--- /dev/null
+++ b/src/dynapi/SDL_dynapi_unsupported.h
@@ -0,0 +1,48 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef SDL_dynapi_unsupported_h_
+#define SDL_dynapi_unsupported_h_
+
+
+#if !(defined(__WIN32__) || defined(__GDK__))
+typedef struct ID3D12Device ID3D12Device;
+typedef void *SDL_WindowsMessageHook;
+#endif
+
+#if !(defined(__WIN32__) || defined(__WINGDK__))
+typedef struct ID3D11Device ID3D11Device;
+typedef struct IDirect3DDevice9 IDirect3DDevice9;
+#endif
+
+#ifndef __GDK__
+typedef struct XTaskQueueHandle XTaskQueueHandle;
+#endif
+
+#ifndef __WINRT__
+typedef int SDL_WinRT_DeviceFamily;
+typedef int SDL_WinRT_Path;
+#endif
+#ifndef __GDK__
+typedef struct XUserHandle XUserHandle;
+#endif
+
+#endif