diff --git a/sdk/configs/device/nrf52/defconfig b/sdk/configs/device/nrf52/defconfig
index e16e92c09..7378f8585 100644
--- a/sdk/configs/device/nrf52/defconfig
+++ b/sdk/configs/device/nrf52/defconfig
@@ -1,3 +1,3 @@
 +BLUETOOTH=y
-+EXTERNALS_NRF52=y
 +BLUETOOTH_NRF52=y
++EXTERNALS_NRF52=y
diff --git a/sdk/configs/examples/gnss_atcmd/defconfig b/sdk/configs/examples/gnss_atcmd/defconfig
index 0f8fb8c2d..57e43d99e 100644
--- a/sdk/configs/examples/gnss_atcmd/defconfig
+++ b/sdk/configs/examples/gnss_atcmd/defconfig
@@ -1,4 +1,3 @@
--LIBC_FLOATINGPOINT=y
 +CXD56_GNSS=y
 +EXAMPLES_GNSS_ATCMD=y
 +GPSUTILS_CXD56NMEA_LIB=y
diff --git a/sdk/configs/examples/json/defconfig b/sdk/configs/examples/json/defconfig
index ba06bd24d..ff6278d69 100644
--- a/sdk/configs/examples/json/defconfig
+++ b/sdk/configs/examples/json/defconfig
@@ -1,3 +1,2 @@
--LIBC_FLOATINGPOINT=y
 +EXAMPLES_JSON=y
 +NETUTILS_CJSON=y
diff --git a/sdk/configs/examples/smp_asmp/defconfig b/sdk/configs/examples/smp_asmp/defconfig
index 3adbf92ce..8cb7beb45 100644
--- a/sdk/configs/examples/smp_asmp/defconfig
+++ b/sdk/configs/examples/smp_asmp/defconfig
@@ -7,5 +7,4 @@
 +SMP=y
 +SMP_NCPUS=2
 +TESTING_OSTEST=y
-+TESTING_OSTEST_FPUSIZE=64
 +TESTING_SMP=y
diff --git a/sdk/configs/examples/tcpblaster/defconfig b/sdk/configs/examples/tcpblaster/defconfig
index 2ae2923fe..80fb5a2a1 100644
--- a/sdk/configs/examples/tcpblaster/defconfig
+++ b/sdk/configs/examples/tcpblaster/defconfig
@@ -1,4 +1,3 @@
--LIBC_FLOATINGPOINT=y
 -LIBC_IPv4_ADDRCONV=y
 -NET_IPv4=n
 -NET_SOCKOPTS=y
diff --git a/sdk/configs/examples/tf_example_helloworld/defconfig b/sdk/configs/examples/tf_example_helloworld/defconfig
index 5cb5cc7cf..c2c5421b1 100644
--- a/sdk/configs/examples/tf_example_helloworld/defconfig
+++ b/sdk/configs/examples/tf_example_helloworld/defconfig
@@ -1,4 +1,3 @@
 +EXAMPLES_TF_EXAMPLE=y
 +EXTERNALS_TENSORFLOW=y
 +EXTERNALS_TENSORFLOW_EXAMPLE_HELLOWORLD=y
-+SCHED_ATEXIT=y
diff --git a/sdk/configs/examples/tf_example_micro_speech/defconfig b/sdk/configs/examples/tf_example_micro_speech/defconfig
index 4bc29b7f1..2a95e8b63 100644
--- a/sdk/configs/examples/tf_example_micro_speech/defconfig
+++ b/sdk/configs/examples/tf_example_micro_speech/defconfig
@@ -10,6 +10,5 @@
 +EXTERNALS_TENSORFLOW=y
 +EXTERNALS_TENSORFLOW_EXAMPLE_MICROSPEECH=y
 +MEMUTILS=y
-+SCHED_ATEXIT=y
 +SDK_AUDIO=y
 +SPECIFIC_DRIVERS=y
diff --git a/sdk/configs/examples/tf_example_persondetect/defconfig b/sdk/configs/examples/tf_example_persondetect/defconfig
index 112e29700..20d7a5ab0 100644
--- a/sdk/configs/examples/tf_example_persondetect/defconfig
+++ b/sdk/configs/examples/tf_example_persondetect/defconfig
@@ -5,7 +5,6 @@
 +EXAMPLES_TF_EXAMPLE=y
 +EXTERNALS_TENSORFLOW=y
 +EXTERNALS_TENSORFLOW_EXAMPLE_PERSONDETECTION=y
-+SCHED_ATEXIT=y
 +VIDEO_ISX012=y
 +VIDEO_ISX019=y
 +VIDEO_STREAM=y
diff --git a/sdk/configs/feature/bas/defconfig b/sdk/configs/feature/bas/defconfig
index fb11b2acb..b22ce8709 100644
--- a/sdk/configs/feature/bas/defconfig
+++ b/sdk/configs/feature/bas/defconfig
@@ -1,2 +1 @@
--LIBC_FLOATINGPOINT=y
 +INTERPRETERS_BAS=y
diff --git a/sdk/configs/feature/libcxx/defconfig b/sdk/configs/feature/libcxx/defconfig
index 1ea33b2c8..50edb691d 100644
--- a/sdk/configs/feature/libcxx/defconfig
+++ b/sdk/configs/feature/libcxx/defconfig
@@ -1,4 +1,3 @@
--CLOCK_MONOTONIC=y
 -HAVE_CXXINITIALIZE=y
 +LIBCXX=y
 +LIBM=y
diff --git a/sdk/configs/feature/minibasic/defconfig b/sdk/configs/feature/minibasic/defconfig
index 3f9b47a05..48411cbf7 100644
--- a/sdk/configs/feature/minibasic/defconfig
+++ b/sdk/configs/feature/minibasic/defconfig
@@ -1,2 +1 @@
--LIBC_FLOATINGPOINT=y
 +INTERPRETERS_MINIBASIC=y
diff --git a/sdk/configs/feature/subcore/defconfig b/sdk/configs/feature/subcore/defconfig
index b7c30ba81..48d0a8148 100644
--- a/sdk/configs/feature/subcore/defconfig
+++ b/sdk/configs/feature/subcore/defconfig
@@ -16,7 +16,6 @@
 -CDCACM_VENDORSTR="SONY"
 -FAT_LCNAMES=y
 -FAT_LFN=y
--FAT_MAXFNAME=64
 -FS_FAT=y
 -FS_FATTIME=y
 -FS_PROCFS=y
diff --git a/sdk/configs/feature/vtun/defconfig b/sdk/configs/feature/vtun/defconfig
index 7d50cd048..5b7a52d0f 100644
--- a/sdk/configs/feature/vtun/defconfig
+++ b/sdk/configs/feature/vtun/defconfig
@@ -2,6 +2,7 @@
 -NET_IPv4=n
 -NET_TCP_NO_STACK=y
 -NET_UDP_NO_STACK=y
++ALLOW_BSD_COMPONENTS=y
 +EXTERNALS_VTUN=y
 +NET_ETH_PKTSIZE=1280
 +NET_ICMP=y