diff --git a/include/SDL3/SDL_vulkan.h b/include/SDL3/SDL_vulkan.h
index 3b2cd31894..6499f12bd0 100644
--- a/include/SDL3/SDL_vulkan.h
+++ b/include/SDL3/SDL_vulkan.h
@@ -152,8 +152,6 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *
  * \param pCount A pointer to an unsigned int corresponding to the number of
  *               extensions to be returned
- * \param pNames NULL or a pointer to an array to be filled with required
- *               Vulkan instance extensions
  * \returns SDL_TRUE on success, SDL_FALSE on error.
  *
  * \since This function is available since SDL 3.0.0.
diff --git a/src/video/android/SDL_androidvulkan.h b/src/video/android/SDL_androidvulkan.h
index 1b059c43d6..e538ca917a 100644
--- a/src/video/android/SDL_androidvulkan.h
+++ b/src/video/android/SDL_androidvulkan.h
@@ -36,9 +36,8 @@
 
 int Android_Vulkan_LoadLibrary(SDL_VideoDevice *_this, const char *path);
 void Android_Vulkan_UnloadLibrary(SDL_VideoDevice *_this);
-SDL_bool Android_Vulkan_GetInstanceExtensions(SDL_VideoDevice *_this,
-                                              unsigned *count,
-                                              const char **names);
+char const* const* Android_Vulkan_GetInstanceExtensions(SDL_VideoDevice *_this,
+                                              Uint32 *count);
 SDL_bool Android_Vulkan_CreateSurface(SDL_VideoDevice *_this,
                                       SDL_Window *window,
                                       VkInstance instance,
diff --git a/src/video/uikit/SDL_uikitvulkan.h b/src/video/uikit/SDL_uikitvulkan.h
index 0e13675672..432edda946 100644
--- a/src/video/uikit/SDL_uikitvulkan.h
+++ b/src/video/uikit/SDL_uikitvulkan.h
@@ -36,9 +36,8 @@
 
 int UIKit_Vulkan_LoadLibrary(SDL_VideoDevice *_this, const char *path);
 void UIKit_Vulkan_UnloadLibrary(SDL_VideoDevice *_this);
-SDL_bool UIKit_Vulkan_GetInstanceExtensions(SDL_VideoDevice *_this,
-                                            unsigned *count,
-                                            const char **names);
+char const* const* UIKit_Vulkan_GetInstanceExtensions(SDL_VideoDevice *_this,
+                                            Uint32 *count);
 SDL_bool UIKit_Vulkan_CreateSurface(SDL_VideoDevice *_this,
                                     SDL_Window *window,
                                     VkInstance instance,
diff --git a/src/video/windows/SDL_windowsvulkan.h b/src/video/windows/SDL_windowsvulkan.h
index 17b69687ca..0fffcbf427 100644
--- a/src/video/windows/SDL_windowsvulkan.h
+++ b/src/video/windows/SDL_windowsvulkan.h
@@ -36,9 +36,8 @@
 
 int WIN_Vulkan_LoadLibrary(SDL_VideoDevice *_this, const char *path);
 void WIN_Vulkan_UnloadLibrary(SDL_VideoDevice *_this);
-SDL_bool WIN_Vulkan_GetInstanceExtensions(SDL_VideoDevice *_this,
-                                          unsigned *count,
-                                          const char **names);
+char const* const* WIN_Vulkan_GetInstanceExtensions(SDL_VideoDevice *_this,
+                                          Uint32 *count);
 SDL_bool WIN_Vulkan_CreateSurface(SDL_VideoDevice *_this,
                                   SDL_Window *window,
                                   VkInstance instance,