diff --git a/drivers/staging/rtl8188eu/hal/odm.c b/drivers/staging/rtl8188eu/hal/odm.c
index 7da7fd7f4b97..e4df83710ca6 100644
--- a/drivers/staging/rtl8188eu/hal/odm.c
+++ b/drivers/staging/rtl8188eu/hal/odm.c
@@ -191,7 +191,6 @@ void ODM_DMInit(struct odm_dm_struct *pDM_Odm)
 	odm_DIGInit(pDM_Odm);
 	odm_RateAdaptiveMaskInit(pDM_Odm);
 
-	odm_PrimaryCCA_Init(pDM_Odm);    /*  Gary */
 	odm_DynamicTxPowerInit(pDM_Odm);
 	odm_TXPowerTrackingInit(pDM_Odm);
 	ODM_EdcaTurboInit(pDM_Odm);
diff --git a/drivers/staging/rtl8188eu/hal/odm_RTL8188E.c b/drivers/staging/rtl8188eu/hal/odm_RTL8188E.c
index 495d9eca07d4..5342af778eb0 100644
--- a/drivers/staging/rtl8188eu/hal/odm_RTL8188E.c
+++ b/drivers/staging/rtl8188eu/hal/odm_RTL8188E.c
@@ -370,18 +370,3 @@ void rtl88eu_dm_antenna_diversity(struct odm_dm_struct *dm_odm)
 	    (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV))
 		rtl88eu_dm_hw_ant_div(dm_odm);
 }
-
-/* 3============================================================ */
-/* 3 Dynamic Primary CCA */
-/* 3============================================================ */
-
-void odm_PrimaryCCA_Init(struct odm_dm_struct *dm_odm)
-{
-	struct dyn_primary_cca *PrimaryCCA = &(dm_odm->DM_PriCCA);
-
-	PrimaryCCA->DupRTS_flag = 0;
-	PrimaryCCA->intf_flag = 0;
-	PrimaryCCA->intf_type = 0;
-	PrimaryCCA->Monitor_flag = 0;
-	PrimaryCCA->PriCCA_flag = 0;
-}
diff --git a/drivers/staging/rtl8188eu/include/odm.h b/drivers/staging/rtl8188eu/include/odm.h
index e83812f35ad6..525eb100cd15 100644
--- a/drivers/staging/rtl8188eu/include/odm.h
+++ b/drivers/staging/rtl8188eu/include/odm.h
@@ -164,14 +164,6 @@ struct false_alarm_stats {
 	u32	Cnt_BW_LSC;	/* Gary */
 };
 
-struct dyn_primary_cca {
-	u8		PriCCA_flag;
-	u8		intf_flag;
-	u8		intf_type;
-	u8		DupRTS_flag;
-	u8		Monitor_flag;
-};
-
 struct rx_hpc {
 	u8		RXHP_flag;
 	u8		PSD_func_trigger;
@@ -867,7 +859,6 @@ struct odm_dm_struct {
 	struct fast_ant_train DM_FatTable;
 	struct rtw_dig	DM_DigTable;
 	struct rtl_ps	DM_PSTable;
-	struct dyn_primary_cca DM_PriCCA;
 	struct rx_hpc	DM_RXHP_Table;
 	struct false_alarm_stats FalseAlmCnt;
 	struct false_alarm_stats FlaseAlmCntBuddyAdapter;
diff --git a/drivers/staging/rtl8188eu/include/odm_RTL8188E.h b/drivers/staging/rtl8188eu/include/odm_RTL8188E.h
index eabef39a554c..14dce6c4b1bc 100644
--- a/drivers/staging/rtl8188eu/include/odm_RTL8188E.h
+++ b/drivers/staging/rtl8188eu/include/odm_RTL8188E.h
@@ -47,8 +47,6 @@ void odm_FastAntTrainingCallback(struct odm_dm_struct *pDM_Odm);
 
 void odm_FastAntTrainingWorkItemCallback(struct odm_dm_struct *pDM_Odm);
 
-void odm_PrimaryCCA_Init(struct odm_dm_struct *pDM_Odm);
-
 bool ODM_DynamicPrimaryCCA_DupRTS(struct odm_dm_struct *pDM_Odm);
 
 #endif