diff --git a/clients/nested.c b/clients/nested.c
index 72aab151a..6c21aa4ab 100644
--- a/clients/nested.c
+++ b/clients/nested.c
@@ -50,15 +50,8 @@
 #include "shared/xalloc.h"
 #include "window.h"
 
-#ifndef EGL_WL_create_wayland_buffer_from_image
-#define EGL_WL_create_wayland_buffer_from_image 1
+#include "weston-egl-ext.h"
 
-#ifdef EGL_EGLEXT_PROTOTYPES
-EGLAPI struct wl_buffer * EGLAPIENTRY eglCreateWaylandBufferFromImageWL(EGLDisplay dpy, EGLImageKHR image);
-#endif
-typedef struct wl_buffer * (EGLAPIENTRYP PFNEGLCREATEWAYLANDBUFFERFROMIMAGEWL) (EGLDisplay dpy, EGLImageKHR image);
-
-#endif
 
 static int option_blit;