diff --git a/samples/subsys/lorawan/class_a/README.rst b/samples/subsys/lorawan/class_a/README.rst
index c29853ae064..22d9b8f3a48 100644
--- a/samples/subsys/lorawan/class_a/README.rst
+++ b/samples/subsys/lorawan/class_a/README.rst
@@ -25,30 +25,3 @@ The following commands build and flash the sample.
    :board: nucleo_wl55jc
    :goals: build flash
    :compact:
-
-Extended Configuration
-**********************
-
-This sample can be configured to run the application-layer clock
-synchronization service and/or the remote multicast setup service
-in the background.
-
-The following commands build and flash the sample with clock synchronization
-enabled.
-
-.. zephyr-app-commands::
-   :zephyr-app: samples/subsys/lorawan/class_a
-   :board: nucleo_wl55jc
-   :goals: build flash
-   :gen-args: -DEXTRA_CONF_FILE=overlay-clock-sync.conf
-   :compact:
-
-The following commands build and flash the sample with remote multicast setup
-enabled.
-
-.. zephyr-app-commands::
-   :zephyr-app: samples/subsys/lorawan/class_a
-   :board: nucleo_wl55jc
-   :goals: build flash
-   :gen-args: -DEXTRA_CONF_FILE=overlay-multicast.conf
-   :compact:
diff --git a/samples/subsys/lorawan/class_a/overlay-clock-sync.conf b/samples/subsys/lorawan/class_a/overlay-clock-sync.conf
deleted file mode 100644
index e19b01a42a6..00000000000
--- a/samples/subsys/lorawan/class_a/overlay-clock-sync.conf
+++ /dev/null
@@ -1,3 +0,0 @@
-CONFIG_LORAWAN_SERVICES=y
-CONFIG_LORAWAN_SERVICES_LOG_LEVEL_DBG=y
-CONFIG_LORAWAN_APP_CLOCK_SYNC=y
diff --git a/samples/subsys/lorawan/class_a/overlay-multicast.conf b/samples/subsys/lorawan/class_a/overlay-multicast.conf
deleted file mode 100644
index 6bd51655643..00000000000
--- a/samples/subsys/lorawan/class_a/overlay-multicast.conf
+++ /dev/null
@@ -1,9 +0,0 @@
-# NVS required to store LoRaWAN DevNonce and multicast sessions
-CONFIG_NVS=y
-CONFIG_SETTINGS=y
-CONFIG_LORAWAN_NVM_SETTINGS=y
-
-CONFIG_LORAWAN_SERVICES=y
-CONFIG_LORAWAN_SERVICES_LOG_LEVEL_DBG=y
-CONFIG_LORAWAN_APP_CLOCK_SYNC=y
-CONFIG_LORAWAN_REMOTE_MULTICAST=y
diff --git a/samples/subsys/lorawan/class_a/sample.yaml b/samples/subsys/lorawan/class_a/sample.yaml
index 7a757da815d..c617ec5feb4 100644
--- a/samples/subsys/lorawan/class_a/sample.yaml
+++ b/samples/subsys/lorawan/class_a/sample.yaml
@@ -44,13 +44,3 @@ tests:
     extra_configs:
       - CONFIG_LORAMAC_REGION_EU868=y
       - CONFIG_LORAMAC_REGION_US915=y
-  sample.lorawan.class_a.clock_sync:
-    extra_args: OVERLAY_CONFIG="overlay-clock-sync.conf"
-    filter: CONFIG_ENTROPY_HAS_DRIVER
-    integration_platforms:
-      - nucleo_wl55jc
-  sample.lorawan.class_a.multicast:
-    extra_args: OVERLAY_CONFIG="overlay-multicast.conf"
-    filter: CONFIG_ENTROPY_HAS_DRIVER
-    integration_platforms:
-      - nucleo_wl55jc
diff --git a/samples/subsys/lorawan/class_a/src/main.c b/samples/subsys/lorawan/class_a/src/main.c
index 76ff5529f57..1e31baf36e4 100644
--- a/samples/subsys/lorawan/class_a/src/main.c
+++ b/samples/subsys/lorawan/class_a/src/main.c
@@ -99,10 +99,6 @@ int main(void)
 		return 0;
 	}
 
-#ifdef CONFIG_LORAWAN_APP_CLOCK_SYNC
-	lorawan_clock_sync_run();
-#endif
-
 	LOG_INF("Sending data...");
 	while (1) {
 		ret = lorawan_send(2, data, sizeof(data),