diff --git a/src/external/imgui/cimgui.cpp b/src/external/imgui/cimgui.cpp
index 66b2b55c2..bc186f656 100644
--- a/src/external/imgui/cimgui.cpp
+++ b/src/external/imgui/cimgui.cpp
@@ -4520,6 +4520,7 @@ CIMGUI_API bool igImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* sdl_gl_
 {
 	return ImGui_ImplSDL2_InitForOpenGL(window, sdl_gl_context);
 }
+#if 0
 CIMGUI_API bool igImGui_ImplSDL2_InitForVulkan(SDL_Window* window)
 {
 	return ImGui_ImplSDL2_InitForVulkan(window);
@@ -4528,6 +4529,7 @@ CIMGUI_API bool igImGui_ImplSDL2_InitForD3D(SDL_Window* window)
 {
 	return ImGui_ImplSDL2_InitForD3D(window);
 }
+#endif
 CIMGUI_API void igImGui_ImplSDL2_Shutdown()
 {
 	ImGui_ImplSDL2_Shutdown();
diff --git a/src/external/imgui/cimgui.h b/src/external/imgui/cimgui.h
index c18d6928f..d1b6003cd 100644
--- a/src/external/imgui/cimgui.h
+++ b/src/external/imgui/cimgui.h
@@ -2051,8 +2051,10 @@ typedef struct SDL_Window SDL_Window;
 typedef union SDL_Event SDL_Event;
 
 CIMGUI_API bool igImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* sdl_gl_context);
+#if 0
 CIMGUI_API bool igImGui_ImplSDL2_InitForVulkan(SDL_Window* window);
 CIMGUI_API bool igImGui_ImplSDL2_InitForD3D(SDL_Window* window);
+#endif
 CIMGUI_API void igImGui_ImplSDL2_Shutdown(void);
 CIMGUI_API void igImGui_ImplSDL2_NewFrame(SDL_Window* window);
 CIMGUI_API bool igImGui_ImplSDL2_ProcessEvent(const SDL_Event* event);