diff --git a/board/czechlight/common/install-rauc-cert.sh b/board/czechlight/common/install-rauc-cert.sh
deleted file mode 100755
index bff359b..0000000
--- a/board/czechlight/common/install-rauc-cert.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-
-install -m 0644 -D ${BR2_EXTERNAL_CZECHLIGHT_PATH}/crypto/rauc-cert.pem $TARGET_DIR/etc/rauc/keyring.pem
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index fc1efd1..ce20748 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -12,7 +12,7 @@
 BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200=y
 # BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
 BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/overlay/ $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/overlay/"
-BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/install-rauc-cert.sh $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/copy-boot-scr.sh"
+BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/copy-boot-scr.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh ${BR2_EXTERNAL_CZECHLIGHT_PATH}/board/czechlight/clearfog/usb-flash-genimage.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="-c $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/genimage.cfg"
 BR2_LINUX_KERNEL=y
diff --git a/package/czechlight-rauc/czechlight-rauc.mk b/package/czechlight-rauc/czechlight-rauc.mk
index e5d5bfc..8c7d70d 100644
--- a/package/czechlight-rauc/czechlight-rauc.mk
+++ b/package/czechlight-rauc/czechlight-rauc.mk
@@ -60,6 +60,7 @@
 endif # BR2_PACKAGE_CZECHLIGHT_RAUC
 
 define CZECHLIGHT_RAUC_INSTALL_TARGET_CMDS
+	$(INSTALL) -D -m 0644 $(BR2_EXTERNAL_CZECHLIGHT_PATH)/crypto/rauc-cert.pem $(TARGET_DIR)/etc/rauc/keyring.pem
 	$(INSTALL) -D -m 0644 $(BR2_EXTERNAL_CZECHLIGHT_PATH)/package/czechlight-rauc/system.conf.in $(TARGET_DIR)/etc/rauc/system.conf
 	sed -i -E -e "s|CZECHLIGHT_RAUC_BOOTLOADER|$(CZECHLIGHT_RAUC_BOOTLOADER)|" \
 		-e 's|CZECHLIGHT_RAUC_COMPATIBLE|$(call qstrip,$(CZECHLIGHT_RAUC_COMPATIBLE))|' \