diff --git a/src/libwps/libwps.c b/src/libwps/libwps.c
index 21fd485..8c1a83e 100755
--- a/src/libwps/libwps.c
+++ b/src/libwps/libwps.c
@@ -14,7 +14,6 @@
 #include "libwps.h"
 #include "../utils/common.h"
 #include "../cprintf.h"
-#include "../crc.h"
 #include <assert.h>
 
 static char* append(char* s1, char *s2) {
@@ -235,8 +234,6 @@ static int parse_wps_tags(const u_char *tags, size_t len,
 
 	if(wps_ie_data)
 	{
-		wps->checksum = crc32(wps_ie_data, wps_data_len);
-
 		for(i=0; i<sizeof(elements)/sizeof(elements[0]); i++)
 		{
 			/* Search for each WPS element inside the WPS IE data blob */
diff --git a/src/libwps/libwps.h b/src/libwps/libwps.h
index 1eb5d29..e981cd5 100755
--- a/src/libwps/libwps.h
+++ b/src/libwps/libwps.h
@@ -35,7 +35,6 @@ struct libwps_data
         uint8_t version;
         uint8_t state;
         uint8_t locked;
-	uint32_t checksum;
         char manufacturer[LIBWPS_MAX_STR_LEN];
         char model_name[LIBWPS_MAX_STR_LEN];
         char model_number[LIBWPS_MAX_STR_LEN];
diff --git a/src/wpsmon.c b/src/wpsmon.c
index e94c3e9..44ec71d 100644
--- a/src/wpsmon.c
+++ b/src/wpsmon.c
@@ -52,7 +52,6 @@ static struct mac {
 	unsigned char vendor_oui[1+3];
 	unsigned char probes;
 	unsigned char flags;
-	uint32_t checksum;
 } seen_list[MAX_APS];
 enum seen_flags {
 	SEEN_FLAG_PRINTED = 1,
@@ -112,18 +111,10 @@ static void mark_ap_complete(char *bssid) {
 	int x = list_insert(bssid);
 	if(x >= 0 && x < MAX_APS) seen_list[x].flags |= SEEN_FLAG_COMPLETE;
 }
-static int is_done(char *bssid, struct libwps_data *wps, int is_probe_resp) {
+static int is_done(char *bssid, struct libwps_data *wps) {
 	int x = list_insert(bssid);
 	if(x >= 0 && x < MAX_APS) {
 		if(wps) {
-			if(seen_list[x].checksum == 0)
-				seen_list[x].checksum = wps->checksum;
-			if(wps->checksum != seen_list[x].checksum) {
-				seen_list[x].checksum = wps->checksum;
-				if (is_probe_resp) {
-					seen_list[x].flags &= ~SEEN_FLAG_COMPLETE;
-				}
-			}
 			set_flag_wps(x, is_pbc(wps), SEEN_FLAG_PBC);
 			set_flag_wps(x, wps->locked == WPSLOCKED, SEEN_FLAG_LOCKED);
 			set_flag_wps(x, 1, SEEN_FLAG_WPS_ACTIVE);
@@ -487,7 +478,7 @@ void parse_wps_settings(const u_char *packet, struct pcap_pkthdr *header, char *
 				wps_parsed = parse_wps_parameters(packet, header->len, wps);
 				if(is_beacon || !get_ap_vendor(bssid)) set_ap_vendor(bssid);
 			}
-			if((get_channel() == channel || source == PCAP_FILE) && !is_done(bssid, wps_parsed ? wps : 0, is_probe_resp))
+			if((get_channel() == channel || source == PCAP_FILE) && !is_done(bssid, wps_parsed ? wps : 0))
 			{
 				if(is_beacon && 
 				   mode == SCAN &&