}
 
 static EGLBoolean
-dri2_bind_wayland_display_wl(const _EGLDriver *drv, _EGLDisplay *disp,
-                             struct wl_display *wl_dpy)
+dri2_bind_wayland_display_wl(_EGLDisplay *disp, struct wl_display *wl_dpy)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
    const struct wayland_drm_callbacks wl_drm_callbacks = {
    int flags = 0;
    uint64_t cap;
 
-   (void) drv;
-
    if (dri2_dpy->wl_server_drm)
            return EGL_FALSE;
 
 }
 
 static EGLBoolean
-dri2_unbind_wayland_display_wl(const _EGLDriver *drv, _EGLDisplay *disp,
-                               struct wl_display *wl_dpy)
+dri2_unbind_wayland_display_wl(_EGLDisplay *disp, struct wl_display *wl_dpy)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 
-   (void) drv;
-
    if (!dri2_dpy->wl_server_drm)
            return EGL_FALSE;
 
 }
 
 static EGLBoolean
-dri2_query_wayland_buffer_wl(const _EGLDriver *drv, _EGLDisplay *disp,
-                             struct wl_resource *buffer_resource,
+dri2_query_wayland_buffer_wl(_EGLDisplay *disp, struct wl_resource *buffer_resource,
                              EGLint attribute, EGLint *value)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 
    if (!display)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->BindWaylandDisplayWL(drv, disp, display);
+   ret = drv->BindWaylandDisplayWL(disp, display);
 
    RETURN_EGL_EVAL(disp, ret);
 }
    if (!display)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->UnbindWaylandDisplayWL(drv, disp, display);
+   ret = drv->UnbindWaylandDisplayWL(disp, display);
 
    RETURN_EGL_EVAL(disp, ret);
 }
    if (!buffer)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->QueryWaylandBufferWL(drv, disp, buffer, attribute, value);
+   ret = drv->QueryWaylandBufferWL(disp, buffer, attribute, value);
 
    RETURN_EGL_EVAL(disp, ret);
 }
 
                                     EGLint *name, EGLint *handle,
                                     EGLint *stride);
 
-   EGLBoolean (*BindWaylandDisplayWL)(const _EGLDriver *drv, _EGLDisplay *disp,
-                                      struct wl_display *display);
-   EGLBoolean (*UnbindWaylandDisplayWL)(const _EGLDriver *drv, _EGLDisplay *disp,
-                                        struct wl_display *display);
-   EGLBoolean (*QueryWaylandBufferWL)(const _EGLDriver *drv, _EGLDisplay *displ,
-                                      struct wl_resource *buffer,
+   EGLBoolean (*BindWaylandDisplayWL)(_EGLDisplay *disp, struct wl_display *display);
+   EGLBoolean (*UnbindWaylandDisplayWL)(_EGLDisplay *disp, struct wl_display *display);
+   EGLBoolean (*QueryWaylandBufferWL)(_EGLDisplay *displ, struct wl_resource *buffer,
                                       EGLint attribute, EGLint *value);
 
    struct wl_buffer *(*CreateWaylandBufferFromImageWL)(const _EGLDriver *drv,