diff --git a/main/main.cpp b/main/main.cpp
index 15f55fe180e..9215f2e848e 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -74,14 +74,15 @@
 #include "servers/navigation_server_3d.h"
 #include "servers/navigation_server_3d_dummy.h"
 #include "servers/physics_server_2d.h"
-#ifndef _3D_DISABLED
-#include "servers/physics_server_3d.h"
-#endif // _3D_DISABLED
 #include "servers/register_server_types.h"
 #include "servers/rendering/rendering_server_default.h"
 #include "servers/text/text_server_dummy.h"
 #include "servers/text_server.h"
+
+#ifndef _3D_DISABLED
+#include "servers/physics_server_3d.h"
 #include "servers/xr_server.h"
+#endif // _3D_DISABLED
 
 #ifdef TESTS_ENABLED
 #include "tests/test_main.h"
@@ -144,17 +145,17 @@ static AudioServer *audio_server = nullptr;
 static DisplayServer *display_server = nullptr;
 static RenderingServer *rendering_server = nullptr;
 static CameraServer *camera_server = nullptr;
-static XRServer *xr_server = nullptr;
 static TextServerManager *tsman = nullptr;
-#ifndef _3D_DISABLED
-static PhysicsServer3DManager *physics_server_3d_manager = nullptr;
-static PhysicsServer3D *physics_server_3d = nullptr;
-#endif // _3D_DISABLED
 static PhysicsServer2DManager *physics_server_2d_manager = nullptr;
 static PhysicsServer2D *physics_server_2d = nullptr;
 static NavigationServer3D *navigation_server_3d = nullptr;
 static NavigationServer2D *navigation_server_2d = nullptr;
 static ThemeDB *theme_db = nullptr;
+#ifndef _3D_DISABLED
+static PhysicsServer3DManager *physics_server_3d_manager = nullptr;
+static PhysicsServer3D *physics_server_3d = nullptr;
+static XRServer *xr_server = nullptr;
+#endif // _3D_DISABLED
 // We error out if setup2() doesn't turn this true
 static bool _start_success = false;
 
@@ -1646,6 +1647,7 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 			OS::get_singleton()->disable_crash_handler();
 		} else if (I->get() == "--skip-breakpoints") {
 			skip_breakpoints = true;
+#ifndef _3D_DISABLED
 		} else if (I->get() == "--xr-mode") {
 			if (I->next()) {
 				String xr_mode = I->next()->get().to_lower();
@@ -1664,7 +1666,7 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 				OS::get_singleton()->print("Missing --xr-mode argument, aborting.\n");
 				goto error;
 			}
-
+#endif // _3D_DISABLED
 		} else if (I->get() == "--benchmark") {
 			OS::get_singleton()->set_use_benchmark(true);
 		} else if (I->get() == "--benchmark-file") {
@@ -2788,6 +2790,7 @@ Error Main::setup2() {
 		OS::get_singleton()->benchmark_end_measure("Servers", "Audio");
 	}
 
+#ifndef _3D_DISABLED
 	/* Initialize XR Server */
 
 	{
@@ -2797,6 +2800,7 @@ Error Main::setup2() {
 
 		OS::get_singleton()->benchmark_end_measure("Servers", "XR");
 	}
+#endif // _3D_DISABLED
 
 	OS::get_singleton()->benchmark_end_measure("Startup", "Servers");
 
@@ -3942,7 +3946,9 @@ bool Main::iteration() {
 	bool exit = false;
 
 	// process all our active interfaces
+#ifndef _3D_DISABLED
 	XRServer::get_singleton()->_process();
+#endif // _3D_DISABLED
 
 	NavigationServer2D::get_singleton()->sync();
 	NavigationServer3D::get_singleton()->sync();
@@ -4161,11 +4167,13 @@ void Main::cleanup(bool p_force) {
 	//clear global shader variables before scene and other graphics stuff are deinitialized.
 	rendering_server->global_shader_parameters_clear();
 
+#ifndef _3D_DISABLED
 	if (xr_server) {
 		// Now that we're unregistering properly in plugins we need to keep access to xr_server for a little longer
 		// We do however unset our primary interface
 		xr_server->set_primary_interface(Ref<XRInterface>());
 	}
+#endif // _3D_DISABLED
 
 #ifdef TOOLS_ENABLED
 	GDExtensionManager::get_singleton()->deinitialize_extensions(GDExtension::INITIALIZATION_LEVEL_EDITOR);
@@ -4195,9 +4203,11 @@ void Main::cleanup(bool p_force) {
 
 	EngineDebugger::deinitialize();
 
+#ifndef _3D_DISABLED
 	if (xr_server) {
 		memdelete(xr_server);
 	}
+#endif // _3D_DISABLED
 
 	if (audio_server) {
 		audio_server->finish();
diff --git a/servers/SCsub b/servers/SCsub
index 3e836573359..2e4430f030a 100644
--- a/servers/SCsub
+++ b/servers/SCsub
@@ -15,22 +15,24 @@ env.add_source_files(env.servers_sources, "physics_server_2d_wrap_mt.cpp")
 env.add_source_files(env.servers_sources, "register_server_types.cpp")
 env.add_source_files(env.servers_sources, "rendering_server.cpp")
 env.add_source_files(env.servers_sources, "text_server.cpp")
-env.add_source_files(env.servers_sources, "xr_server.cpp")
 
-SConscript("xr/SCsub")
-SConscript("camera/SCsub")
-if not env["disable_3d"]:
-    SConscript("physics_3d/SCsub")
-    env.add_source_files(env.servers_sources, "physics_server_3d.cpp")
-    env.add_source_files(env.servers_sources, "physics_server_3d_wrap_mt.cpp")
-SConscript("physics_2d/SCsub")
-SConscript("rendering/SCsub")
 SConscript("audio/SCsub")
-SConscript("text/SCsub")
+SConscript("camera/SCsub")
 SConscript("debugger/SCsub")
 SConscript("extensions/SCsub")
 SConscript("movie_writer/SCsub")
 SConscript("navigation/SCsub")
+SConscript("rendering/SCsub")
+SConscript("text/SCsub")
+
+SConscript("physics_2d/SCsub")
+
+if not env["disable_3d"]:
+    SConscript("physics_3d/SCsub")
+    env.add_source_files(env.servers_sources, "physics_server_3d.cpp")
+    env.add_source_files(env.servers_sources, "physics_server_3d_wrap_mt.cpp")
+    SConscript("xr/SCsub")
+    env.add_source_files(env.servers_sources, "xr_server.cpp")
 
 lib = env.add_library("servers", env.servers_sources)
 
diff --git a/servers/register_server_types.cpp b/servers/register_server_types.cpp
index 8547ebfad6e..4e491299412 100644
--- a/servers/register_server_types.cpp
+++ b/servers/register_server_types.cpp
@@ -77,13 +77,6 @@
 #include "text/text_server_dummy.h"
 #include "text/text_server_extension.h"
 #include "text_server.h"
-#include "xr/xr_body_tracker.h"
-#include "xr/xr_face_tracker.h"
-#include "xr/xr_hand_tracker.h"
-#include "xr/xr_interface.h"
-#include "xr/xr_interface_extension.h"
-#include "xr/xr_positional_tracker.h"
-#include "xr_server.h"
 
 // 2D physics and navigation.
 #include "navigation_server_2d.h"
@@ -99,6 +92,13 @@
 #include "physics_server_3d.h"
 #include "physics_server_3d_wrap_mt.h"
 #include "servers/extensions/physics_server_3d_extension.h"
+#include "xr/xr_body_tracker.h"
+#include "xr/xr_face_tracker.h"
+#include "xr/xr_hand_tracker.h"
+#include "xr/xr_interface.h"
+#include "xr/xr_interface_extension.h"
+#include "xr/xr_positional_tracker.h"
+#include "xr_server.h"
 #endif // _3D_DISABLED
 
 ShaderTypes *shader_types = nullptr;
@@ -165,26 +165,10 @@ void register_server_types() {
 
 	GDREGISTER_CLASS(NativeMenu);
 
-	GDREGISTER_ABSTRACT_CLASS(NavigationServer2D);
-	GDREGISTER_ABSTRACT_CLASS(NavigationServer3D);
-	GDREGISTER_CLASS(NavigationPathQueryParameters2D);
-	GDREGISTER_CLASS(NavigationPathQueryParameters3D);
-	GDREGISTER_CLASS(NavigationPathQueryResult2D);
-	GDREGISTER_CLASS(NavigationPathQueryResult3D);
-
-	GDREGISTER_CLASS(XRServer);
 	GDREGISTER_CLASS(CameraServer);
 
 	GDREGISTER_ABSTRACT_CLASS(RenderingDevice);
 
-	GDREGISTER_CLASS(XRBodyTracker);
-	GDREGISTER_ABSTRACT_CLASS(XRInterface);
-	GDREGISTER_CLASS(XRHandTracker);
-	GDREGISTER_CLASS(XRInterfaceExtension); // can't register this as virtual because we need a creation function for our extensions.
-	GDREGISTER_CLASS(XRPose);
-	GDREGISTER_CLASS(XRPositionalTracker);
-	GDREGISTER_CLASS(XRFaceTracker);
-
 	GDREGISTER_CLASS(AudioStream);
 	GDREGISTER_CLASS(AudioStreamPlayback);
 	GDREGISTER_VIRTUAL_CLASS(AudioStreamPlaybackResampled);
@@ -303,6 +287,10 @@ void register_server_types() {
 	PhysicsServer2DManager::get_singleton()->register_server("GodotPhysics2D", callable_mp_static(_createGodotPhysics2DCallback));
 	PhysicsServer2DManager::get_singleton()->set_default_server("GodotPhysics2D");
 
+	GDREGISTER_ABSTRACT_CLASS(NavigationServer2D);
+	GDREGISTER_CLASS(NavigationPathQueryParameters2D);
+	GDREGISTER_CLASS(NavigationPathQueryResult2D);
+
 #ifndef _3D_DISABLED
 	// Physics 3D
 	GDREGISTER_CLASS(PhysicsServer3DManager);
@@ -332,8 +320,21 @@ void register_server_types() {
 
 	PhysicsServer3DManager::get_singleton()->register_server("GodotPhysics3D", callable_mp_static(_createGodotPhysics3DCallback));
 	PhysicsServer3DManager::get_singleton()->set_default_server("GodotPhysics3D");
+
+	GDREGISTER_ABSTRACT_CLASS(XRInterface);
+	GDREGISTER_CLASS(XRBodyTracker);
+	GDREGISTER_CLASS(XRFaceTracker);
+	GDREGISTER_CLASS(XRHandTracker);
+	GDREGISTER_CLASS(XRInterfaceExtension); // can't register this as virtual because we need a creation function for our extensions.
+	GDREGISTER_CLASS(XRPose);
+	GDREGISTER_CLASS(XRPositionalTracker);
+	GDREGISTER_CLASS(XRServer);
 #endif // _3D_DISABLED
 
+	GDREGISTER_ABSTRACT_CLASS(NavigationServer3D);
+	GDREGISTER_CLASS(NavigationPathQueryParameters3D);
+	GDREGISTER_CLASS(NavigationPathQueryResult3D);
+
 	writer_mjpeg = memnew(MovieWriterMJPEG);
 	MovieWriter::add_writer(writer_mjpeg);
 
@@ -357,18 +358,19 @@ void unregister_server_types() {
 void register_server_singletons() {
 	OS::get_singleton()->benchmark_begin_measure("Servers", "Register Singletons");
 
-	Engine::get_singleton()->add_singleton(Engine::Singleton("DisplayServer", DisplayServer::get_singleton(), "DisplayServer"));
-	Engine::get_singleton()->add_singleton(Engine::Singleton("RenderingServer", RenderingServer::get_singleton(), "RenderingServer"));
 	Engine::get_singleton()->add_singleton(Engine::Singleton("AudioServer", AudioServer::get_singleton(), "AudioServer"));
-	Engine::get_singleton()->add_singleton(Engine::Singleton("PhysicsServer2D", PhysicsServer2D::get_singleton(), "PhysicsServer2D"));
-#ifndef _3D_DISABLED
-	Engine::get_singleton()->add_singleton(Engine::Singleton("PhysicsServer3D", PhysicsServer3D::get_singleton(), "PhysicsServer3D"));
-#endif // _3D_DISABLED
+	Engine::get_singleton()->add_singleton(Engine::Singleton("CameraServer", CameraServer::get_singleton(), "CameraServer"));
+	Engine::get_singleton()->add_singleton(Engine::Singleton("DisplayServer", DisplayServer::get_singleton(), "DisplayServer"));
 	Engine::get_singleton()->add_singleton(Engine::Singleton("NativeMenu", NativeMenu::get_singleton(), "NativeMenu"));
 	Engine::get_singleton()->add_singleton(Engine::Singleton("NavigationServer2D", NavigationServer2D::get_singleton(), "NavigationServer2D"));
 	Engine::get_singleton()->add_singleton(Engine::Singleton("NavigationServer3D", NavigationServer3D::get_singleton(), "NavigationServer3D"));
+	Engine::get_singleton()->add_singleton(Engine::Singleton("RenderingServer", RenderingServer::get_singleton(), "RenderingServer"));
+
+	Engine::get_singleton()->add_singleton(Engine::Singleton("PhysicsServer2D", PhysicsServer2D::get_singleton(), "PhysicsServer2D"));
+#ifndef _3D_DISABLED
+	Engine::get_singleton()->add_singleton(Engine::Singleton("PhysicsServer3D", PhysicsServer3D::get_singleton(), "PhysicsServer3D"));
 	Engine::get_singleton()->add_singleton(Engine::Singleton("XRServer", XRServer::get_singleton(), "XRServer"));
-	Engine::get_singleton()->add_singleton(Engine::Singleton("CameraServer", CameraServer::get_singleton(), "CameraServer"));
+#endif // _3D_DISABLED
 
 	OS::get_singleton()->benchmark_end_measure("Servers", "Register Singletons");
 }
diff --git a/servers/rendering/renderer_compositor.cpp b/servers/rendering/renderer_compositor.cpp
index c36da51e506..d364de56335 100644
--- a/servers/rendering/renderer_compositor.cpp
+++ b/servers/rendering/renderer_compositor.cpp
@@ -49,9 +49,11 @@ bool RendererCompositor::is_xr_enabled() const {
 RendererCompositor::RendererCompositor() {
 	singleton = this;
 
+#ifndef _3D_DISABLED
 	if (XRServer::get_xr_mode() == XRServer::XRMODE_DEFAULT) {
 		xr_enabled = GLOBAL_GET("xr/shaders/enabled");
 	} else {
 		xr_enabled = XRServer::get_xr_mode() == XRServer::XRMODE_ON;
 	}
+#endif // _3D_DISABLED
 }
diff --git a/servers/rendering/renderer_rd/effects/vrs.cpp b/servers/rendering/renderer_rd/effects/vrs.cpp
index ce1ac2e929e..30c318fb9ab 100644
--- a/servers/rendering/renderer_rd/effects/vrs.cpp
+++ b/servers/rendering/renderer_rd/effects/vrs.cpp
@@ -32,7 +32,10 @@
 #include "../renderer_compositor_rd.h"
 #include "../storage_rd/texture_storage.h"
 #include "../uniform_set_cache_rd.h"
+
+#ifndef _3D_DISABLED
 #include "servers/xr_server.h"
+#endif // _3D_DISABLED
 
 using namespace RendererRD;
 
@@ -124,6 +127,7 @@ void VRS::update_vrs_texture(RID p_vrs_fb, RID p_render_target) {
 					copy_vrs(rd_texture, p_vrs_fb, layers > 1);
 				}
 			}
+#ifndef _3D_DISABLED
 		} else if (vrs_mode == RS::VIEWPORT_VRS_XR) {
 			Ref<XRInterface> interface = XRServer::get_singleton()->get_primary_interface();
 			if (interface.is_valid()) {
@@ -138,6 +142,7 @@ void VRS::update_vrs_texture(RID p_vrs_fb, RID p_render_target) {
 					}
 				}
 			}
+#endif // _3D_DISABLED
 		}
 
 		RD::get_singleton()->draw_command_end_label();
diff --git a/servers/rendering/renderer_scene_cull.h b/servers/rendering/renderer_scene_cull.h
index 86090aa416e..341ba0e3b07 100644
--- a/servers/rendering/renderer_scene_cull.h
+++ b/servers/rendering/renderer_scene_cull.h
@@ -44,7 +44,10 @@
 #include "servers/rendering/rendering_method.h"
 #include "servers/rendering/rendering_server_globals.h"
 #include "servers/rendering/storage/utilities.h"
+
+#ifndef _3D_DISABLED
 #include "servers/xr/xr_interface.h"
+#endif // _3D_DISABLED
 
 class RenderingLightCuller;
 
diff --git a/servers/rendering/renderer_viewport.cpp b/servers/rendering/renderer_viewport.cpp
index 445a1b265e6..baa198626c0 100644
--- a/servers/rendering/renderer_viewport.cpp
+++ b/servers/rendering/renderer_viewport.cpp
@@ -220,6 +220,7 @@ void RendererViewport::_configure_3d_render_buffers(Viewport *p_viewport) {
 }
 
 void RendererViewport::_draw_3d(Viewport *p_viewport) {
+#ifndef _3D_DISABLED
 	RENDER_TIMESTAMP("> Render 3D Scene");
 
 	Ref<XRInterface> xr_interface;
@@ -246,6 +247,7 @@ void RendererViewport::_draw_3d(Viewport *p_viewport) {
 	RSG::scene->render_camera(p_viewport->render_buffers, p_viewport->camera, p_viewport->scenario, p_viewport->self, p_viewport->internal_size, p_viewport->jitter_phase_count, screen_mesh_lod_threshold, p_viewport->shadow_atlas, xr_interface, &p_viewport->render_info);
 
 	RENDER_TIMESTAMP("< Render 3D Scene");
+#endif // _3D_DISABLED
 }
 
 void RendererViewport::_draw_viewport(Viewport *p_viewport) {
@@ -629,6 +631,7 @@ void RendererViewport::_draw_viewport(Viewport *p_viewport) {
 void RendererViewport::draw_viewports(bool p_swap_buffers) {
 	timestamp_vp_map.clear();
 
+#ifndef _3D_DISABLED
 	// get our xr interface in case we need it
 	Ref<XRInterface> xr_interface;
 	XRServer *xr_server = XRServer::get_singleton();
@@ -639,6 +642,7 @@ void RendererViewport::draw_viewports(bool p_swap_buffers) {
 		// retrieve the interface responsible for rendering
 		xr_interface = xr_server->get_primary_interface();
 	}
+#endif // _3D_DISABLED
 
 	if (Engine::get_singleton()->is_editor_hint()) {
 		set_default_clear_color(GLOBAL_GET("rendering/environment/defaults/default_clear_color"));
@@ -671,6 +675,7 @@ void RendererViewport::draw_viewports(bool p_swap_buffers) {
 
 		bool visible = vp->viewport_to_screen_rect != Rect2();
 
+#ifndef _3D_DISABLED
 		if (vp->use_xr) {
 			if (xr_interface.is_valid()) {
 				// Ignore update mode we have to commit frames to our XR interface
@@ -684,7 +689,9 @@ void RendererViewport::draw_viewports(bool p_swap_buffers) {
 				visible = false;
 				vp->size = Size2();
 			}
-		} else {
+		} else
+#endif // _3D_DISABLED
+		{
 			if (vp->update_mode == RS::VIEWPORT_UPDATE_ALWAYS || vp->update_mode == RS::VIEWPORT_UPDATE_ONCE) {
 				visible = true;
 			}
@@ -722,6 +729,7 @@ void RendererViewport::draw_viewports(bool p_swap_buffers) {
 		RENDER_TIMESTAMP("> Render Viewport " + itos(i));
 
 		RSG::texture_storage->render_target_set_as_unused(vp->render_target);
+#ifndef _3D_DISABLED
 		if (vp->use_xr && xr_interface.is_valid()) {
 			// Inform XR interface we're about to render its viewport,
 			// if this returns false we don't render.
@@ -758,7 +766,9 @@ void RendererViewport::draw_viewports(bool p_swap_buffers) {
 					RSG::rasterizer->end_viewport(p_swap_buffers && blits.size() > 0);
 				}
 			}
-		} else {
+		} else
+#endif // _3D_DISABLED
+		{
 			RSG::texture_storage->render_target_set_override(vp->render_target, RID(), RID(), RID());
 
 			RSG::scene->set_debug_draw_mode(vp->debug_draw);
diff --git a/servers/rendering/renderer_viewport.h b/servers/rendering/renderer_viewport.h
index a0ec9e63182..90c29618b3b 100644
--- a/servers/rendering/renderer_viewport.h
+++ b/servers/rendering/renderer_viewport.h
@@ -37,9 +37,12 @@
 #include "servers/rendering/renderer_scene_render.h"
 #include "servers/rendering/rendering_method.h"
 #include "servers/rendering_server.h"
-#include "servers/xr/xr_interface.h"
 #include "storage/render_scene_buffers.h"
 
+#ifndef _3D_DISABLED
+#include "servers/xr/xr_interface.h"
+#endif // _3D_DISABLED
+
 class RendererViewport {
 public:
 	struct CanvasBase {
diff --git a/servers/rendering/rendering_method.h b/servers/rendering/rendering_method.h
index 45698467527..aa5e7d83cc8 100644
--- a/servers/rendering/rendering_method.h
+++ b/servers/rendering/rendering_method.h
@@ -33,7 +33,14 @@
 
 #include "servers/rendering/storage/render_scene_buffers.h"
 #include "servers/rendering_server.h"
+
+#ifdef _3D_DISABLED
+// RendererSceneCull::render_camera is empty when 3D is disabled, but
+// it and RenderingMethod::render_camera have a parameter for XRInterface.
+#define XRInterface RefCounted
+#else // 3D enabled
 #include "servers/xr/xr_interface.h"
+#endif // _3D_DISABLED
 
 class RenderingMethod {
 public:
diff --git a/servers/rendering/rendering_server_default.cpp b/servers/rendering/rendering_server_default.cpp
index bf8ab277221..b4c539dcff4 100644
--- a/servers/rendering/rendering_server_default.cpp
+++ b/servers/rendering/rendering_server_default.cpp
@@ -93,11 +93,13 @@ void RenderingServerDefault::_draw(bool p_swap_buffers, double frame_step) {
 
 	RSG::rasterizer->end_frame(p_swap_buffers);
 
+#ifndef _3D_DISABLED
 	XRServer *xr_server = XRServer::get_singleton();
 	if (xr_server != nullptr) {
 		// let our XR server know we're done so we can get our frame timing
 		xr_server->end_frame();
 	}
+#endif // _3D_DISABLED
 
 	RSG::canvas->update_visibility_notifiers();
 	RSG::scene->update_visibility_notifiers();