diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
index 39e3054..66c79f1 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
@@ -932,10 +932,6 @@
 
 	/* get chipcommon capabilites */
 	sii->pub.cccaps = R_REG(&cc->capabilities);
-	/* get chipcommon extended capabilities */
-
-	if (sii->pub.ccrev >= 35)
-		sii->pub.cccaps_ext = R_REG(&cc->capabilities_ext);
 
 	/* get pmu rev and caps */
 	if (sii->pub.cccaps & CC_CAP_PMU) {
@@ -1023,7 +1019,6 @@
 
 	sii->pub.boardvendor = w & 0xffff;
 	sii->pub.boardtype = (w >> 16) & 0xffff;
-	sii->pub.boardflags = getintvar(&sii->pub, BRCMS_SROM_BOARDFLAGS);
 }
 
 static struct si_info *ai_doattach(struct si_info *sii,
@@ -1071,8 +1066,6 @@
 	sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT;
 	sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT;
 
-	sih->issim = false;
-
 	/* scan for cores */
 	if (socitype == SOCI_AI) {
 		SI_MSG("Found chip type AI (0x%08x)\n", w);
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
index b51d1e4..1da9759 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
@@ -149,21 +149,14 @@
 	uint buscoreidx;	/* buscore index */
 	int ccrev;		/* chip common core rev */
 	u32 cccaps;		/* chip common capabilities */
-	u32 cccaps_ext;	/* chip common capabilities extension */
 	int pmurev;		/* pmu core rev */
 	u32 pmucaps;		/* pmu capabilities */
 	uint boardtype;		/* board type */
 	uint boardvendor;	/* board vendor */
-	uint boardflags;	/* board flags */
-	uint boardflags2;	/* board flags2 */
 	uint chip;		/* chip number */
 	uint chiprev;		/* chip revision */
 	uint chippkg;		/* chip package option */
 	u32 chipst;		/* chip status */
-	bool issim;		/* chip is in simulation or emulation */
-	uint socirev;		/* SOC interconnect rev */
-	bool pci_pr32414;
-
 };
 
 struct pci_dev;