diff --git a/drivers/staging/wfx/sta.c b/drivers/staging/wfx/sta.c
index 12e8a5b638f1..d855d87c2102 100644
--- a/drivers/staging/wfx/sta.c
+++ b/drivers/staging/wfx/sta.c
@@ -200,7 +200,7 @@ void wfx_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
 	mutex_unlock(&wdev->conf_mutex);
 }
 
-int wfx_get_ps_timeout(struct wfx_vif *wvif, bool *enable_ps)
+static int wfx_get_ps_timeout(struct wfx_vif *wvif, bool *enable_ps)
 {
 	struct ieee80211_channel *chan0 = NULL, *chan1 = NULL;
 	struct ieee80211_conf *conf = &wvif->wdev->hw->conf;
@@ -230,7 +230,7 @@ int wfx_get_ps_timeout(struct wfx_vif *wvif, bool *enable_ps)
 		return -1;
 }
 
-int wfx_update_pm(struct wfx_vif *wvif)
+static int wfx_update_pm(struct wfx_vif *wvif)
 {
 	int ps_timeout;
 	bool ps;