diff --git a/board/czechlight/beaglebone/kconfig b/board/czechlight/beaglebone/linux.fragment
similarity index 100%
rename from board/czechlight/beaglebone/kconfig
rename to board/czechlight/beaglebone/linux.fragment
diff --git a/board/czechlight/common/kconfig b/board/czechlight/common/linux.fragment
similarity index 100%
rename from board/czechlight/common/kconfig
rename to board/czechlight/common/linux.fragment
diff --git a/board/czechlight/epia_geode/kconfig b/board/czechlight/epia_geode/linux.fragment
similarity index 100%
rename from board/czechlight/epia_geode/kconfig
rename to board/czechlight/epia_geode/linux.fragment
diff --git a/configs/czechlight_beaglebone_defconfig b/configs/czechlight_beaglebone_defconfig
index 14c981a..a89c7e0 100644
--- a/configs/czechlight_beaglebone_defconfig
+++ b/configs/czechlight_beaglebone_defconfig
@@ -14,7 +14,7 @@
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.9.44"
 BR2_LINUX_KERNEL_DEFCONFIG="omap2plus"
-BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/kconfig $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/beaglebone/kconfig"
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/linux.fragment $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/beaglebone/linux.fragment"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_USE_CUSTOM_DTS=y
 BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/beaglebone/czechlight-bbb.dts"
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index fe52f8d..1cc67d9 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -19,7 +19,7 @@
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.14.4"
 BR2_LINUX_KERNEL_DEFCONFIG="mvebu_v7"
-BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/linux.fragment $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/kconfig"
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/linux.fragment $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/linux.fragment"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/czechlight-clearfog.dts $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/CL-ROADMv2-clearfog.dts $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/sdn-roadm-line-clearfog.dts $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/sdn-roadm-add-drop-clearfog.dts"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
diff --git a/configs/czechlight_epia_geode_defconfig b/configs/czechlight_epia_geode_defconfig
index 7a1beed..07792dc 100644
--- a/configs/czechlight_epia_geode_defconfig
+++ b/configs/czechlight_epia_geode_defconfig
@@ -23,7 +23,7 @@
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.14.4"
 BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
-BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/kconfig $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/epia_geode/kconfig"
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/linux.fragment $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/epia_geode/linux.fragment"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 BR2_PACKAGE_LINUX_TOOLS_GPIO=y
 BR2_PACKAGE_LINUX_TOOLS_PERF=y