diff --git a/buildroot-external/board/ova/kernel.config b/buildroot-external/board/ova/kernel.config
index 982c9ecd9..941fa6b0d 100644
--- a/buildroot-external/board/ova/kernel.config
+++ b/buildroot-external/board/ova/kernel.config
@@ -22,11 +22,7 @@ CONFIG_CGROUP_PERF=y
 CONFIG_USER_NS=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_PROFILING=y
-CONFIG_KPROBES=y
 CONFIG_JUMP_LABEL=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_BLK_DEBUG_FS is not set
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_BSD_DISKLABEL=y
@@ -93,30 +89,7 @@ CONFIG_NETLABEL=y
 CONFIG_NETWORK_SECMARK=y
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_ADVANCED is not set
-CONFIG_NF_CONNTRACK=y
-CONFIG_NF_CONNTRACK_FTP=y
-CONFIG_NF_CONNTRACK_IRC=y
-CONFIG_NF_CONNTRACK_SIP=y
-CONFIG_NF_CT_NETLINK=y
-CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
-CONFIG_NETFILTER_XT_TARGET_NFLOG=y
-CONFIG_NETFILTER_XT_TARGET_SECMARK=y
-CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
-CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
-CONFIG_NETFILTER_XT_MATCH_POLICY=y
-CONFIG_NETFILTER_XT_MATCH_STATE=y
-CONFIG_NF_CONNTRACK_IPV4=y
-CONFIG_IP_NF_IPTABLES=y
-CONFIG_IP_NF_FILTER=y
-CONFIG_IP_NF_TARGET_REJECT=y
-CONFIG_IP_NF_MANGLE=y
-CONFIG_NF_CONNTRACK_IPV6=y
-CONFIG_IP6_NF_IPTABLES=y
-CONFIG_IP6_NF_MATCH_IPV6HEADER=y
-CONFIG_IP6_NF_FILTER=y
-CONFIG_IP6_NF_TARGET_REJECT=y
-CONFIG_IP6_NF_MANGLE=y
-CONFIG_BRIDGE=m
+CONFIG_BRIDGE=y
 CONFIG_NET_SCHED=y
 CONFIG_NET_EMATCH=y
 CONFIG_NET_CLS_ACT=y
@@ -172,7 +145,6 @@ CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
 CONFIG_SERIAL_8250_DETECT_IRQ=y
 CONFIG_SERIAL_8250_RSA=y
-CONFIG_HW_RANDOM=y
 CONFIG_NVRAM=y
 CONFIG_HPET=y
 # CONFIG_HPET_MMAP is not set
@@ -233,7 +205,6 @@ CONFIG_VFAT_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_TMPFS_POSIX_ACL=y
 CONFIG_HUGETLBFS=y
-CONFIG_EFIVAR_FS=y
 CONFIG_SQUASHFS=y
 CONFIG_SQUASHFS_XATTR=y
 CONFIG_SQUASHFS_LZ4=y
diff --git a/buildroot-external/busybox.config b/buildroot-external/busybox.config
index 33f80ec5f..f4a8c1460 100644
--- a/buildroot-external/busybox.config
+++ b/buildroot-external/busybox.config
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Busybox version: 1.27.2
-# Sun Apr  1 21:18:49 2018
+# Tue Apr  3 13:22:22 2018
 #
 CONFIG_HAVE_DOT_CONFIG=y
 
@@ -537,21 +537,21 @@ CONFIG_FEATURE_PASSWD_WEAK_CHECK=y
 #
 # Linux Module Utilities
 #
-CONFIG_MODPROBE_SMALL=y
-CONFIG_DEPMOD=y
-CONFIG_INSMOD=y
-CONFIG_LSMOD=y
+# CONFIG_MODPROBE_SMALL is not set
+# CONFIG_DEPMOD is not set
+# CONFIG_INSMOD is not set
+# CONFIG_LSMOD is not set
 # CONFIG_FEATURE_LSMOD_PRETTY_2_6_OUTPUT is not set
-CONFIG_MODINFO=y
-CONFIG_MODPROBE=y
+# CONFIG_MODINFO is not set
+# CONFIG_MODPROBE is not set
 # CONFIG_FEATURE_MODPROBE_BLACKLIST is not set
-CONFIG_RMMOD=y
+# CONFIG_RMMOD is not set
 
 #
 # Options common to multiple modutils
 #
-CONFIG_FEATURE_CMDLINE_MODULE_OPTIONS=y
-CONFIG_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED=y
+# CONFIG_FEATURE_CMDLINE_MODULE_OPTIONS is not set
+# CONFIG_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED is not set
 # CONFIG_FEATURE_2_4_MODULES is not set
 # CONFIG_FEATURE_INSMOD_VERSION_CHECKING is not set
 # CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS is not set
@@ -562,8 +562,8 @@ CONFIG_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED=y
 # CONFIG_FEATURE_INSMOD_TRY_MMAP is not set
 # CONFIG_FEATURE_MODUTILS_ALIAS is not set
 # CONFIG_FEATURE_MODUTILS_SYMBOLS is not set
-CONFIG_DEFAULT_MODULES_DIR="/lib/modules"
-CONFIG_DEFAULT_DEPMOD_FILE="modules.dep"
+CONFIG_DEFAULT_MODULES_DIR=""
+CONFIG_DEFAULT_DEPMOD_FILE=""
 
 #
 # Linux System Utilities