diff --git a/examples/bluetooth/bluedroid/ble/ble_throughput/throughput_client/main/Kconfig b/examples/bluetooth/bluedroid/ble/ble_throughput/throughput_client/main/Kconfig.projbuild
similarity index 100%
rename from examples/bluetooth/bluedroid/ble/ble_throughput/throughput_client/main/Kconfig
rename to examples/bluetooth/bluedroid/ble/ble_throughput/throughput_client/main/Kconfig.projbuild
diff --git a/examples/bluetooth/bluedroid/ble/ble_throughput/throughput_server/main/Kconfig b/examples/bluetooth/bluedroid/ble/ble_throughput/throughput_server/main/Kconfig.projbuild
similarity index 100%
rename from examples/bluetooth/bluedroid/ble/ble_throughput/throughput_server/main/Kconfig
rename to examples/bluetooth/bluedroid/ble/ble_throughput/throughput_server/main/Kconfig.projbuild
diff --git a/examples/bluetooth/bluedroid/ble/gatt_server/main/Kconfig b/examples/bluetooth/bluedroid/ble/gatt_server/main/Kconfig.projbuild
similarity index 100%
rename from examples/bluetooth/bluedroid/ble/gatt_server/main/Kconfig
rename to examples/bluetooth/bluedroid/ble/gatt_server/main/Kconfig.projbuild