diff --git a/applications/protocols_serialization/boards/nrf54l15pdk_nrf54l15_cpuapp.conf b/applications/protocols_serialization/boards/nrf54l15pdk_nrf54l15_cpuapp.conf
index 1affbadc7cd..ac7399815bd 100644
--- a/applications/protocols_serialization/boards/nrf54l15pdk_nrf54l15_cpuapp.conf
+++ b/applications/protocols_serialization/boards/nrf54l15pdk_nrf54l15_cpuapp.conf
@@ -4,3 +4,4 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
 CONFIG_MAIN_STACK_SIZE=4196
+CONFIG_NRF_RPC_THREAD_STACK_SIZE=6144
diff --git a/applications/protocols_serialization/snippets/ble/ble.conf b/applications/protocols_serialization/snippets/ble/ble.conf
index 075ca249709..1c9500df0d9 100644
--- a/applications/protocols_serialization/snippets/ble/ble.conf
+++ b/applications/protocols_serialization/snippets/ble/ble.conf
@@ -4,8 +4,6 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
 
-CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2144
-
 # Enable and configure Bluetooth LE
 CONFIG_BT=y
 CONFIG_BT_RPC=y