--- a/render_sdl.h	Thu Mar 14 23:40:50 2019 -0700
+++ b/render_sdl.h	Sun Apr 14 23:38:02 2019 -0700
@@ -4,12 +4,9 @@
 #include <SDL.h>
 
 SDL_Window *render_get_window(void);
-typedef void (*ui_render_fun)(void);
 typedef void (*event_handler)(SDL_Event *);
 void render_update_display(void);
-void render_set_ui_render_fun(ui_render_fun);
 void render_set_event_handler(event_handler handler);
-void render_set_gl_context_handlers(ui_render_fun destroy, ui_render_fun create);
 SDL_Joystick *render_get_joystick(int index);
 SDL_GameController *render_get_controller(int index);
 int render_lookup_button(char *name);