diff --git a/arch/wasm/Kconfig b/arch/wasm/Kconfig
index 827f7574609f6a..b7c1109900da4e 100644
--- a/arch/wasm/Kconfig
+++ b/arch/wasm/Kconfig
@@ -13,6 +13,7 @@ config WASM
 	select GENERIC_HWEIGHT
 	select GENERIC_IRQ_MIGRATION
 	select GENERIC_IRQ_PROBE
+	select GENERIC_IRQ_SHOW
 	select GENERIC_SMP_IDLE_THREAD
 	select IRQ_DOMAIN
 	select OF
diff --git a/arch/wasm/configs/defconfig b/arch/wasm/configs/defconfig
index 2f438ab0d72d54..f72d8d549b34f1 100644
--- a/arch/wasm/configs/defconfig
+++ b/arch/wasm/configs/defconfig
@@ -27,11 +27,11 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_EMBEDDED=y
 CONFIG_VIRTIO_WASM=y
 # CONFIG_COMPAT_32BIT_TIME is not set
-# CONFIG_BINFMT_SCRIPT is not set
 # CONFIG_COREDUMP is not set
 CONFIG_SLOB=y
 # CONFIG_COMPAT_BRK is not set
 # CONFIG_VM_EVENT_COUNTERS is not set
+CONFIG_DEVTMPFS=y
 # CONFIG_STANDALONE is not set
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
 # CONFIG_FW_LOADER is not set
@@ -50,8 +50,6 @@ CONFIG_EXT2_FS=y
 # CONFIG_FILE_LOCKING is not set
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY_USER is not set
-# CONFIG_PROC_FS is not set
-# CONFIG_SYSFS is not set
 # CONFIG_DEBUG_MISC is not set
 # CONFIG_RCU_TRACE is not set
 # CONFIG_RUNTIME_TESTING_MENU is not set