diff --git a/core/sme/inc/csr_internal.h b/core/sme/inc/csr_internal.h
index 3d7377ceac..1f60078dde 100644
--- a/core/sme/inc/csr_internal.h
+++ b/core/sme/inc/csr_internal.h
@@ -637,12 +637,6 @@ struct csr_roam_joinstatus {
 	tSirMacAddr bssId;
 };
 
-struct csr_oschannel_mask {
-	uint8_t numChannels;
-	bool scanEnabled[WNI_CFG_VALID_CHANNEL_LIST_LEN];
-	uint8_t channelList[WNI_CFG_VALID_CHANNEL_LIST_LEN];
-};
-
 struct csr_votes11d {
 	uint8_t votes;
 	uint8_t countryCode[WNI_CFG_COUNTRY_CODE_LEN];
@@ -674,8 +668,6 @@ struct csr_scanstruct {
 	 * will use the most popular one (max count)
 	 */
 	uint8_t countryCodeElected[WNI_CFG_COUNTRY_CODE_LEN];
-	/* keep a track of channels to be scnned while in traffic condition */
-	struct csr_oschannel_mask osScanChannelMask;
 	uint16_t nBssLimit;     /* the maximum number of BSS in scan cache */
 	/*
 	 * channelPowerInfoList24 has been seen corrupted. Set this flag to true