diff --git a/samples/bluetooth/peripheral/src/main.c b/samples/bluetooth/peripheral/src/main.c
index 649393af9fa..f83f1de058f 100644
--- a/samples/bluetooth/peripheral/src/main.c
+++ b/samples/bluetooth/peripheral/src/main.c
@@ -335,7 +335,7 @@ void main(void)
 	 * of starting delayed work so we do it here
 	 */
 	while (1) {
-		k_sleep(MSEC_PER_SEC);
+		k_sleep(K_SECONDS(1));
 
 		/* Current Time Service updates only when time is changed */
 		cts_notify();
diff --git a/samples/bluetooth/peripheral_csc/src/main.c b/samples/bluetooth/peripheral_csc/src/main.c
index fd3d36921a3..4431457aee6 100644
--- a/samples/bluetooth/peripheral_csc/src/main.c
+++ b/samples/bluetooth/peripheral_csc/src/main.c
@@ -408,7 +408,7 @@ void main(void)
 	bt_conn_cb_register(&conn_callbacks);
 
 	while (1) {
-		k_sleep(MSEC_PER_SEC);
+		k_sleep(K_SECONDS(1));
 
 		/* CSC simulation */
 		if (csc_simulate) {
diff --git a/samples/bluetooth/peripheral_esp/src/main.c b/samples/bluetooth/peripheral_esp/src/main.c
index b5ab93e4fdb..2aaccbf77ee 100644
--- a/samples/bluetooth/peripheral_esp/src/main.c
+++ b/samples/bluetooth/peripheral_esp/src/main.c
@@ -432,7 +432,7 @@ void main(void)
 	bt_conn_auth_cb_register(&auth_cb_display);
 
 	while (1) {
-		k_sleep(MSEC_PER_SEC);
+		k_sleep(K_SECONDS(1));
 
 		/* Temperature simulation */
 		if (simulate_temp) {
diff --git a/samples/bluetooth/peripheral_hr/src/main.c b/samples/bluetooth/peripheral_hr/src/main.c
index 2e38a646492..87faef23cac 100644
--- a/samples/bluetooth/peripheral_hr/src/main.c
+++ b/samples/bluetooth/peripheral_hr/src/main.c
@@ -127,7 +127,7 @@ void main(void)
 	 * of starting delayed work so we do it here
 	 */
 	while (1) {
-		k_sleep(MSEC_PER_SEC);
+		k_sleep(K_SECONDS(1));
 
 		/* Heartrate measurements simulation */
 		hrs_notify();
diff --git a/samples/bluetooth/peripheral_ht/src/main.c b/samples/bluetooth/peripheral_ht/src/main.c
index 3694e9a8fc5..2d388f5e7e2 100644
--- a/samples/bluetooth/peripheral_ht/src/main.c
+++ b/samples/bluetooth/peripheral_ht/src/main.c
@@ -120,7 +120,7 @@ void main(void)
 	 * of starting delayed work so we do it here
 	 */
 	while (1) {
-		k_sleep(MSEC_PER_SEC);
+		k_sleep(K_SECONDS(1));
 
 		/* Temperature measurements simulation */
 		hts_indicate();