diff --git a/configs/olimex-stm32-p407/README.txt b/configs/olimex-stm32-p407/README.txt
index 29085d53c95..1953d62d4b6 100644
--- a/configs/olimex-stm32-p407/README.txt
+++ b/configs/olimex-stm32-p407/README.txt
@@ -260,6 +260,7 @@ must be is one of the following.
 
          CONFIG_BOARDCTL_OS_SYMTAB=y
          CONFIG_EXAMPLES_MODULE=y
+         CONFIG_EXAMPLES_MODULE_BUILTINFS=y
          CONFIG_EXAMPLES_MODULE_DEVMINOR=0
          CONFIG_EXAMPLES_MODULE_DEVPATH="/dev/ram0"
          CONFIG_FS_ROMFS=y
@@ -275,6 +276,7 @@ must be is one of the following.
 
          CONFIG_LIBC_DLLFCN=y
          CONFIG_EXAMPLES_SOTEST=y
+         CONFIG_EXAMPLES_SOTEST_BUILTINFS=y
          CONFIG_EXAMPLES_SOTEST_DEVMINOR=1
          CONFIG_EXAMPLES_SOTEST_DEVPATH="/dev/ram1"
 
diff --git a/configs/samv71-xult/module/defconfig b/configs/samv71-xult/module/defconfig
index f73d5f04445..a5f3e3043b7 100644
--- a/configs/samv71-xult/module/defconfig
+++ b/configs/samv71-xult/module/defconfig
@@ -825,10 +825,11 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
 # CONFIG_EXAMPLES_MM is not set
 # CONFIG_EXAMPLES_MODBUS is not set
 CONFIG_EXAMPLES_MODULE=y
-# CONFIG_EXAMPLES_MODULE_LIBC is not set
-# CONFIG_EXAMPLES_MODULE_LIBGCC is not set
+CONFIG_EXAMPLES_MODULE_BUILTINFS=y
 CONFIG_EXAMPLES_MODULE_DEVMINOR=0
 CONFIG_EXAMPLES_MODULE_DEVPATH="/dev/ram0"
+# CONFIG_EXAMPLES_MODULE_LIBC is not set
+# CONFIG_EXAMPLES_MODULE_LIBGCC is not set
 # CONFIG_EXAMPLES_MOUNT is not set
 # CONFIG_EXAMPLES_NRF24L01TERM is not set
 CONFIG_EXAMPLES_NSH=y