diff --git a/client.h b/client.h
index eb1bb47..aa26467 100644
--- a/client.h
+++ b/client.h
@@ -258,48 +258,6 @@ client_is_float_type(Client *c)
 			(min.width == max.width || min.height == max.height));
 }
 
-static inline int
-client_is_rendered_on_mon(Client *c, Monitor *m)
-{
-	/* This is needed for when you don't want to check formal assignment,
-	 * but rather actual displaying of the pixels.
-	 * Usually VISIBLEON suffices and is also faster. */
-	struct wlr_surface_output *s;
-	int unused_lx, unused_ly;
-	if (!wlr_scene_node_coords(&c->scene->node, &unused_lx, &unused_ly))
-		return 0;
-	wl_list_for_each(s, &client_surface(c)->current_outputs, link)
-		if (s->output == m->wlr_output)
-			return 1;
-	return 0;
-}
-
-static inline int
-client_is_stopped(Client *c)
-{
-	int pid;
-	siginfo_t in = {0};
-#ifdef XWAYLAND
-	if (client_is_x11(c))
-		return 0;
-#endif
-
-	wl_client_get_credentials(c->surface.xdg->client->client, &pid, NULL, NULL);
-	if (waitid(P_PID, pid, &in, WNOHANG|WCONTINUED|WSTOPPED|WNOWAIT) < 0) {
-		/* This process is not our child process, while is very unlikely that
-		 * it is stopped, in order to do not skip frames, assume that it is. */
-		if (errno == ECHILD)
-			return 1;
-	} else if (in.si_pid) {
-		if (in.si_code == CLD_STOPPED || in.si_code == CLD_TRAPPED)
-			return 1;
-		if (in.si_code == CLD_CONTINUED)
-			return 0;
-	}
-
-	return 0;
-}
-
 static inline int
 client_is_unmanaged(Client *c)
 {