diff --git a/board/czechlight/clearfog/usb-genimage.cfg b/board/czechlight/clearfog/usb-genimage.cfg
index d909262..50c4fec 100644
--- a/board/czechlight/clearfog/usb-genimage.cfg
+++ b/board/czechlight/clearfog/usb-genimage.cfg
@@ -10,7 +10,7 @@
 			"usb-reflash-factory.sh"
 		}
 	}
-	size = 128M
+	size = 256M
 }
 
 image usb-flash.img {
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index dd3330f..7dfe952 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -3,6 +3,9 @@
 BR2_ARM_ENABLE_NEON=y
 BR2_ARM_ENABLE_VFP=y
 BR2_ARM_FPU_NEON=y
+BR2_ENABLE_DEBUG=y
+BR2_STRIP_EXCLUDE_FILES="cla-* netopeer2* sysrepo* libsysrepo* libSysrepo* libnetconf2* libyang*"
+BR2_STRIP_EXCLUDE_DIRS="/usr/lib/libyang /usr/lib/sysrepo"
 BR2_SSP_STRONG=y
 BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TARGET_GENERIC_HOSTNAME="czechlight"