diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index fe15cbc7bcafd..a4d4cbf716a1c 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -747,6 +747,8 @@ static void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
 static void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
 {
 	wm_adsp_debugfs_clear(dsp);
+	debugfs_remove_recursive(dsp->debugfs_root);
+	dsp->debugfs_root = NULL;
 }
 #else
 static inline void wm_adsp2_init_debugfs(struct wm_adsp *dsp,