diff --git a/core/rtw_recv.c b/core/rtw_recv.c
index c0b67fc..6c88ebf 100644
--- a/core/rtw_recv.c
+++ b/core/rtw_recv.c
@@ -161,9 +161,6 @@ exit:
 void rtw_mfree_recv_priv_lock(struct recv_priv *precvpriv);
 void rtw_mfree_recv_priv_lock(struct recv_priv *precvpriv)
 {
-#ifdef CONFIG_RECV_THREAD_MODE
-	_rtw_free_sema(&precvpriv->recv_sema);
-#endif
 }
 
 void _rtw_free_recv_priv(struct recv_priv *precvpriv)
diff --git a/core/rtw_xmit.c b/core/rtw_xmit.c
index 91b6994..bceb04c 100644
--- a/core/rtw_xmit.c
+++ b/core/rtw_xmit.c
@@ -350,7 +350,6 @@ exit:
 void  rtw_mfree_xmit_priv_lock(struct xmit_priv *pxmitpriv);
 void  rtw_mfree_xmit_priv_lock(struct xmit_priv *pxmitpriv)
 {
-	_rtw_free_sema(&pxmitpriv->xmit_sema);
 }
 
 
diff --git a/include/rtw_pwrctrl.h b/include/rtw_pwrctrl.h
index 6afd25c..5e82e95 100644
--- a/include/rtw_pwrctrl.h
+++ b/include/rtw_pwrctrl.h
@@ -156,7 +156,6 @@ __inline static void _init_pwrlock(_pwrlock *plock)
 
 __inline static void _free_pwrlock(_pwrlock *plock)
 {
-	_rtw_free_sema(plock);
 }