diff --git a/.gitmodules b/.gitmodules
index ab984e7..71ebf8a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,7 +1,7 @@
 [submodule "submodules/buildroot"]
 	path = submodules/buildroot
 	url = ../../github/buildroot/buildroot
-	branch = cesnet/cla-10
+	branch = cesnet/cla-11
 [submodule "submodules/cla-sysrepo"]
 	path = submodules/cla-sysrepo
 	url = ../../CzechLight/cla-sysrepo
diff --git a/README.md b/README.md
index 9bca7be..24fa00f 100644
--- a/README.md
+++ b/README.md
@@ -53,13 +53,6 @@
  TOPDIR := $(CURDIR)
 ```
 
-Also, we are building two different root filesystem instances (an EXT4 image and a tarball for RAUC).
-This is [also currently broken](http://lists.busybox.net/pipermail/buildroot/2017-November/206255.html), but we can work around that reasonably easily:
-
-```sh
-make -j32 target-finalize && make
-```
-
 ## Installing updates to a device
 
 Apart from the traditional way of re-flashing the SD card or the eMMC from scratch, it's also possible to use RAUC to update.
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index a89ac86..eeb4687 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -21,7 +21,6 @@
 BR2_LINUX_KERNEL_DEFCONFIG="mvebu_v7"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/linux.fragment $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/kconfig"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_USE_CUSTOM_DTS=y
 BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/czechlight-clearfog.dts $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/CL-ROADMv2-clearfog.dts"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 BR2_PACKAGE_LINUX_TOOLS_GPIO=y
diff --git a/submodules/buildroot b/submodules/buildroot
index 7bc2ac0..7ef483c 160000
--- a/submodules/buildroot
+++ b/submodules/buildroot
@@ -1 +1 @@
-Subproject commit 7bc2ac0c52c4a9bb10d7abd7d321a55ace1eb965
+Subproject commit 7ef483c1c968c34ed094a3fc883db230a598bc40
diff --git a/submodules/cla-sysrepo b/submodules/cla-sysrepo
index da5fc90..862ef20 160000
--- a/submodules/cla-sysrepo
+++ b/submodules/cla-sysrepo
@@ -1 +1 @@
-Subproject commit da5fc90fdc086ea57f6551bee97f0b387484ae79
+Subproject commit 862ef20e1ba829e2ad92f3843e4f20b2bb166bfa