diff --git a/src/x11/x.c b/src/x11/x.c
index fdfe33c..c10574e 100644
--- a/src/x11/x.c
+++ b/src/x11/x.c
@@ -44,6 +44,9 @@ bool dunst_grab_errored = false;
 
 static bool fullscreen_last = false;
 
+static void x_shortcut_init(keyboard_shortcut *ks);
+static int x_shortcut_grab(keyboard_shortcut *ks);
+static void x_shortcut_ungrab(keyboard_shortcut *ks);
 /* FIXME refactor setup teardown handlers into one setup and one teardown */
 static void x_shortcut_setup_error_handler(void);
 static int x_shortcut_tear_down_error_handler(void);
@@ -676,7 +679,7 @@ static int x_shortcut_tear_down_error_handler(void)
 /*
  * Grab the given keyboard shortcut.
  */
-int x_shortcut_grab(keyboard_shortcut *ks)
+static int x_shortcut_grab(keyboard_shortcut *ks)
 {
         if (!ks->is_valid)
                 return 1;
@@ -713,7 +716,7 @@ int x_shortcut_grab(keyboard_shortcut *ks)
 /*
  * Ungrab the given keyboard shortcut.
  */
-void x_shortcut_ungrab(keyboard_shortcut *ks)
+static void x_shortcut_ungrab(keyboard_shortcut *ks)
 {
         Window root;
         root = RootWindow(xctx.dpy, DefaultScreen(xctx.dpy));
@@ -726,7 +729,7 @@ void x_shortcut_ungrab(keyboard_shortcut *ks)
 /*
  * Initialize the keyboard shortcut.
  */
-void x_shortcut_init(keyboard_shortcut *ks)
+static void x_shortcut_init(keyboard_shortcut *ks)
 {
         if (ks == NULL || ks->str == NULL)
                 return;
diff --git a/src/x11/x.h b/src/x11/x.h
index ef1c412..dc1f29a 100644
--- a/src/x11/x.h
+++ b/src/x11/x.h
@@ -66,12 +66,6 @@ void x_win_show(void);
 void x_win_destroy(window_x11 *win);
 void x_display_surface(cairo_surface_t *srf, window_x11 *win, const struct dimensions *dim);
 
-/* shortcut */
-void x_shortcut_init(keyboard_shortcut *shortcut);
-void x_shortcut_ungrab(keyboard_shortcut *ks);
-int x_shortcut_grab(keyboard_shortcut *ks);
-KeySym x_shortcut_string_to_mask(const char *str);
-
 /* X misc */
 bool x_is_idle(void);
 void x_setup(void);
@@ -79,10 +73,5 @@ void x_free(void);
 
 struct geometry x_parse_geometry(const char *geom_str);
 
-gboolean x_mainloop_fd_dispatch(GSource *source, GSourceFunc callback,
-                                gpointer user_data);
-gboolean x_mainloop_fd_check(GSource *source);
-gboolean x_mainloop_fd_prepare(GSource *source, gint *timeout);
-
 #endif
 /* vim: set tabstop=8 shiftwidth=8 expandtab textwidth=0: */