diff --git a/lib/mgmt.h b/lib/mgmt.h
index fac6f9b..9726c22 100644
--- a/lib/mgmt.h
+++ b/lib/mgmt.h
@@ -274,14 +274,10 @@ struct mgmt_cp_user_passkey_neg_reply {
 
 #define MGMT_OP_READ_LOCAL_OOB_DATA	0x0020
 struct mgmt_rp_read_local_oob_data {
-	uint8_t hash[16];
-	uint8_t randomizer[16];
-} __packed;
-struct mgmt_rp_read_local_oob_ext_data {
 	uint8_t hash192[16];
-	uint8_t randomizer192[16];
+	uint8_t rand192[16];
 	uint8_t hash256[16];
-	uint8_t randomizer256[16];
+	uint8_t rand256[16];
 } __packed;
 
 #define MGMT_OP_ADD_REMOTE_OOB_DATA	0x0021
diff --git a/src/adapter.c b/src/adapter.c
index 329e9b4..3744c2b 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -6530,8 +6530,8 @@ static void read_local_oob_data_complete(uint8_t status, uint16_t length,
 		error("Too small read local OOB data response");
 		return;
 	} else {
-		hash = rp->hash;
-		randomizer = rp->randomizer;
+		hash = rp->hash192;
+		randomizer = rp->rand192;
 	}
 
 	if (!adapter->oob_handler || !adapter->oob_handler->read_local_cb)
diff --git a/tools/btmgmt.c b/tools/btmgmt.c
index a69a5d2..e53413f 100644
--- a/tools/btmgmt.c
+++ b/tools/btmgmt.c
@@ -2773,7 +2773,6 @@ static void local_oob_rsp(uint8_t status, uint16_t len, const void *param,
 							void *user_data)
 {
 	const struct mgmt_rp_read_local_oob_data *rp = param;
-	const struct mgmt_rp_read_local_oob_ext_data *rp_ext = param;
 	char str[33];
 
 	if (status != 0) {
@@ -2787,19 +2786,19 @@ static void local_oob_rsp(uint8_t status, uint16_t len, const void *param,
 		return noninteractive_quit(EXIT_FAILURE);
 	}
 
-	bin2hex(rp->hash, 16, str, sizeof(str));
+	bin2hex(rp->hash192, 16, str, sizeof(str));
 	print("Hash C from P-192: %s", str);
 
-	bin2hex(rp->randomizer, 16, str, sizeof(str));
+	bin2hex(rp->rand192, 16, str, sizeof(str));
 	print("Randomizer R with P-192: %s", str);
 
-	if (len < sizeof(*rp_ext))
+	if (len < sizeof(*rp))
 		return noninteractive_quit(EXIT_SUCCESS);
 
-	bin2hex(rp_ext->hash256, 16, str, sizeof(str));
+	bin2hex(rp->hash256, 16, str, sizeof(str));
 	print("Hash C from P-256: %s", str);
 
-	bin2hex(rp_ext->randomizer256, 16, str, sizeof(str));
+	bin2hex(rp->rand256, 16, str, sizeof(str));
 	print("Randomizer R with P-256: %s", str);
 
 	noninteractive_quit(EXIT_SUCCESS);
diff --git a/tools/oobtest.c b/tools/oobtest.c
index 9cc6c16..b25ba2a 100644
--- a/tools/oobtest.c
+++ b/tools/oobtest.c
@@ -277,7 +277,7 @@ static void add_remote_oob_data(uint16_t index, const bdaddr_t *bdaddr,
 static void read_oob_data_complete(uint8_t status, uint16_t len,
 					const void *param, void *user_data)
 {
-	const struct mgmt_rp_read_local_oob_ext_data *rp = param;
+	const struct mgmt_rp_read_local_oob_data *rp = param;
 	uint16_t index = PTR_TO_UINT(user_data);
 	const uint8_t *hash192, *rand192, *hash256, *rand256;
 	int i;
@@ -293,7 +293,7 @@ static void read_oob_data_complete(uint8_t status, uint16_t len,
 
 	if (provide_p192) {
 		hash192 = rp->hash192;
-		rand192 = rp->randomizer192;
+		rand192 = rp->rand192;
 	} else {
 		hash192 = NULL;
 		rand192 = NULL;
@@ -306,7 +306,7 @@ static void read_oob_data_complete(uint8_t status, uint16_t len,
 
 	printf("  Randomizer R with P-192: ");
 	for (i = 0; i < 16; i++)
-		printf("%02x", rp->randomizer192[i]);
+		printf("%02x", rp->rand192[i]);
 	printf("\n");
 
 	if (len < sizeof(*rp)) {
@@ -317,7 +317,7 @@ static void read_oob_data_complete(uint8_t status, uint16_t len,
 
 	if (provide_p256) {
 		hash256 = rp->hash256;
-		rand256 = rp->randomizer256;
+		rand256 = rp->rand256;
 	} else {
 		hash256 = NULL;
 		rand256 = NULL;
@@ -330,7 +330,7 @@ static void read_oob_data_complete(uint8_t status, uint16_t len,
 
 	printf("  Randomizer R with P-256: ");
 	for (i = 0; i < 16; i++)
-		printf("%02x", rp->randomizer256[i]);
+		printf("%02x", rp->rand256[i]);
 	printf("\n");
 
 done: