diff --git a/src/ap/acs.c b/src/ap/acs.c
index 865a415c3..46429f265 100644
--- a/src/ap/acs.c
+++ b/src/ap/acs.c
@@ -309,8 +309,6 @@ acs_survey_interference_factor(struct freq_survey *survey, s8 min_nf)
 	else if (survey->filled & SURVEY_HAS_CHAN_TIME_RX)
 		busy = survey->channel_time_rx;
 	else {
-		/* This shouldn't really happen as survey data is checked in
-		 * acs_sanity_check() */
 		wpa_printf(MSG_ERROR, "ACS: Survey data missing");
 		return 0;
 	}
diff --git a/src/ap/wpa_auth_ft.c b/src/ap/wpa_auth_ft.c
index e80086b93..f91a2d2d5 100644
--- a/src/ap/wpa_auth_ft.c
+++ b/src/ap/wpa_auth_ft.c
@@ -455,7 +455,7 @@ static int wpa_ft_rrb_lin(const struct tlv_list *tlvs1,
 	pos += wpa_ft_tlv_lin(tlvs2, pos, endpos);
 	pos += wpa_ft_vlan_lin(vlan, pos, endpos);
 
-	/* sanity check */
+	/* validity check */
 	if (pos != endpos) {
 		wpa_printf(MSG_ERROR, "FT: Length error building RRB");
 		goto err;
@@ -3590,7 +3590,7 @@ int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len)
 	}
 
 	/*
-	 * Do some sanity checking on the target AP address (not own and not
+	 * Do some validity checking on the target AP address (not own and not
 	 * broadcast. This could be extended to filter based on a list of known
 	 * APs in the MD (if such a list were configured).
 	 */
diff --git a/src/p2p/p2p_pd.c b/src/p2p/p2p_pd.c
index 05fd59349..338b47e4e 100644
--- a/src/p2p/p2p_pd.c
+++ b/src/p2p/p2p_pd.c
@@ -1425,7 +1425,7 @@ void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
 		 * Save the reported channel list and operating frequency.
 		 * Note that the specification mandates that the responder
 		 * should include in the channel list only channels reported by
-		 * the initiator, so this is only a sanity check, and if this
+		 * the initiator, so this is only a validity check, and if this
 		 * fails the flow would continue, although it would probably
 		 * fail. Same is true for the operating channel.
 		 */
diff --git a/src/pae/ieee802_1x_kay.c b/src/pae/ieee802_1x_kay.c
index 2fe88ac0c..657de93ae 100644
--- a/src/pae/ieee802_1x_kay.c
+++ b/src/pae/ieee802_1x_kay.c
@@ -3057,12 +3057,12 @@ int ieee802_1x_kay_enable_new_info(struct ieee802_1x_kay *kay)
 
 
 /**
- * ieee802_1x_kay_mkpdu_sanity_check -
- * Sanity checks specified in IEEE Std 802.1X-2010, 11.11.2 (Validation of
+ * ieee802_1x_kay_mkpdu_validity_check -
+ * Validity checks specified in IEEE Std 802.1X-2010, 11.11.2 (Validation of
  * MKPDUs)
  */
-static int ieee802_1x_kay_mkpdu_sanity_check(struct ieee802_1x_kay *kay,
-					     const u8 *buf, size_t len)
+static int ieee802_1x_kay_mkpdu_validity_check(struct ieee802_1x_kay *kay,
+					       const u8 *buf, size_t len)
 {
 	struct ieee8023_hdr *eth_hdr;
 	struct ieee802_1x_hdr *eapol_hdr;
@@ -3215,7 +3215,7 @@ static int ieee802_1x_kay_decode_mkpdu(struct ieee802_1x_kay *kay,
 
 	wpa_printf(MSG_DEBUG, "KaY: Decode received MKPDU (ifname=%s)",
 		   kay->if_name);
-	if (ieee802_1x_kay_mkpdu_sanity_check(kay, buf, len))
+	if (ieee802_1x_kay_mkpdu_validity_check(kay, buf, len))
 		return -1;
 
 	/* handle basic parameter set */
diff --git a/tests/hwsim/test_fst_config.py b/tests/hwsim/test_fst_config.py
index 5dc404282..c28786ded 100644
--- a/tests/hwsim/test_fst_config.py
+++ b/tests/hwsim/test_fst_config.py
@@ -272,7 +272,7 @@ def parse_ies(iehex, el=-1):
     iel = [iehex[i:i + 2] for i in range(0, len(iehex), 2)]
     for i in range(0, len(iel)):
          iel[i] = int(iel[i], 16)
-    # Sanity check
+    # Validity check
     i = 0
     res = []
     while i < len(iel):
diff --git a/tests/hwsim/test_wmediumd.py b/tests/hwsim/test_wmediumd.py
index ad38f03ce..8243e7ce3 100644
--- a/tests/hwsim/test_wmediumd.py
+++ b/tests/hwsim/test_wmediumd.py
@@ -1,4 +1,4 @@
-# wmediumd sanity checks
+# wmediumd validity checks
 # Copyright (c) 2015, Intel Deutschland GmbH
 #
 # This software may be distributed under the terms of the BSD license.
diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 96667e4d8..f9ce1d2d4 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -5924,7 +5924,7 @@ static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
 	for (i = 0; p2ps_prov->cpt_priority[i]; i++)
 		p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
 
-	/* force conncap with tstCap (no sanity checks) */
+	/* force conncap with tstCap (no validity checks) */
 	pos = os_strstr(cmd, "tstCap=");
 	if (pos) {
 		role = strtol(pos + 7, NULL, 16);
diff --git a/wpa_supplicant/p2p_supplicant_sd.c b/wpa_supplicant/p2p_supplicant_sd.c
index f8675e68b..b400cbaca 100644
--- a/wpa_supplicant/p2p_supplicant_sd.c
+++ b/wpa_supplicant/p2p_supplicant_sd.c
@@ -826,7 +826,7 @@ static void wpas_sd_p2ps_serv_response(struct wpa_supplicant *wpa_s,
 		size_t buf_len;
 		u8 svc_len;
 
-		/* Sanity check fixed length+svc_str */
+		/* Validity check fixed length+svc_str */
 		if (6 >= tlv_end - pos)
 			break;
 		svc_len = pos[6];
@@ -854,7 +854,7 @@ static void wpas_sd_p2ps_serv_response(struct wpa_supplicant *wpa_s,
 		buf_len = WPA_GET_LE16(pos);
 		pos += sizeof(u16);
 
-		/* Sanity check buffer length */
+		/* Validity check buffer length */
 		if (buf_len > (unsigned int) (tlv_end - pos))
 			break;