diff --git a/BUILD.gn b/BUILD.gn
index 07aa5ad..42a76b5 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -13,10 +13,10 @@ config("vulkan_headers_config") {
     defines += [ "VK_USE_PLATFORM_WIN32_KHR" ]
   }
   if (defined(vulkan_use_x11) && vulkan_use_x11) {
-    defines += [
-      "VK_USE_PLATFORM_XCB_KHR",
-      "VK_USE_PLATFORM_XLIB_KHR",
-    ]
+    defines += [ "VK_USE_PLATFORM_XCB_KHR" ]
+    if (!defined(vulkan_no_xlib_headers) || !vulkan_no_xlib_headers) {
+      defines += [ "VK_USE_PLATFORM_XLIB_KHR" ]
+    }
   }
   if (defined(vulkan_use_wayland) && vulkan_use_wayland) {
     defines += [ "VK_USE_PLATFORM_WAYLAND_KHR" ]