diff --git a/microdroid/Android.bp b/microdroid/Android.bp
index 8ccced7..b878b3e 100644
--- a/microdroid/Android.bp
+++ b/microdroid/Android.bp
@@ -57,8 +57,6 @@
         "logd",
         "run-as",
         "secilc",
-        "mke2fs",
-        "e2fsdroid",
 
         // "com.android.adbd" requires these,
         "libadbd_auth",
@@ -69,15 +67,11 @@
 
         "apexd",
         "debuggerd",
-        "e2fsck",
         "keystore2",
         "linker",
         "linkerconfig",
         "servicemanager",
         "tombstoned",
-        "tune2fs",
-        "vdc",
-        "vold",
         "wait_for_keymaster",
         "cgroups.json",
         "public.libraries.android.txt",
@@ -218,8 +212,7 @@
             cmdline: microdroid_boot_cmdline +
                 "pci=noacpi " +
                 "androidboot.boot_devices=pci0000:00/0000:00:01.0," + // os
-                "pci0000:00/0000:00:03.0," + // payload
-                "pci0000:00/0000:00:04.0", // userdata
+                "pci0000:00/0000:00:03.0", // payload
         },
     },
     dtb_prebuilt: "dummy_dtb.img",
@@ -404,11 +397,6 @@
 }
 
 prebuilt_etc {
-    name: "microdroid_cdisk_userdata.json",
-    src: "microdroid_cdisk_userdata.json",
-}
-
-prebuilt_etc {
     name: "microdroid_payload.json",
     src: "microdroid_payload.json",
 }
diff --git a/microdroid/README.md b/microdroid/README.md
index 489791a..6b9f4b1 100644
--- a/microdroid/README.md
+++ b/microdroid/README.md
@@ -105,16 +105,6 @@
     {
       "image": "/data/local/tmp/microdroid/payload.img",
       "writable": false
-    },
-    {
-      "partitions": [
-        {
-          "label": "userdata",
-          "path": "/data/local/tmp/microdroid/userdata.img",
-          "writable": true
-        }
-      ],
-      "writable": true
     }
   ]
 }
@@ -129,7 +119,6 @@
 $ adb root
 $ adb shell 'mkdir /data/local/tmp/microdroid'
 $ adb shell 'dd if=/dev/zero of=/data/local/tmp/microdroid/misc.img bs=4k count=256'
-$ adb shell 'dd if=/dev/zero of=/data/local/tmp/microdroid/userdata.img bs=1 count=0 seek=4G'
 $ adb shell 'cd /data/local/tmp/microdroid; /apex/com.android.virt/bin/mk_payload /apex/com.android.virt/etc/microdroid_payload.json payload.img'
 $ adb shell 'chmod go+r /data/local/tmp/microdroid/payload*'
 $ adb push microdroid.json /data/local/tmp/microdroid/microdroid.json
diff --git a/microdroid/fstab.microdroid b/microdroid/fstab.microdroid
index fd8d395..129718e 100644
--- a/microdroid/fstab.microdroid
+++ b/microdroid/fstab.microdroid
@@ -1,4 +1,2 @@
 system /system ext4 noatime,ro,errors=panic wait,first_stage_mount,logical
 vendor /vendor ext4 noatime,ro,errors=panic wait,first_stage_mount,logical
-
-/dev/block/by-name/userdata /data ext4 noatime,nosuid,nodev,errors=panic latemount,wait,check,formattable,fileencryption=aes-256-xts
diff --git a/microdroid/init.rc b/microdroid/init.rc
index 074e118..2385d8f 100644
--- a/microdroid/init.rc
+++ b/microdroid/init.rc
@@ -99,9 +99,6 @@
     trigger early-boot
     trigger boot
 
-on early-fs
-    start vold
-
 on post-fs
     # Once everything is setup, no need to modify /.
     # The bind+remount combination allows this to work in containers.
@@ -114,7 +111,8 @@
 
     exec_start wait_for_keymaster
 
-    mount_all /vendor/etc/fstab.microdroid --late
+    # TODO(b/185767624): change the hard-coded size?
+    mount tmpfs tmpfs /data noatime nosuid nodev rw size=128M
 
 on post-fs-data
     mark_post_data
@@ -126,25 +124,22 @@
     # We restorecon /data in case the userdata partition has been reset.
     restorecon /data
 
-    # Make sure we have the device encryption key.
-    installkey /data
-
-    mkdir /data/vendor 0771 root root encryption=Require
-    mkdir /data/vendor_ce 0771 root root encryption=None
-    mkdir /data/vendor_de 0771 root root encryption=None
+    mkdir /data/vendor 0771 root root
+    mkdir /data/vendor_ce 0771 root root
+    mkdir /data/vendor_de 0771 root root
     mkdir /data/vendor/hardware 0771 root root
 
     # Start tombstoned early to be able to store tombstones.
     # microdroid doesn't have anr, but tombstoned requires it
-    mkdir /data/anr 0775 system system encryption=Require
-    mkdir /data/tombstones 0771 system system encryption=Require
+    mkdir /data/anr 0775 system system
+    mkdir /data/tombstones 0771 system system
     mkdir /data/vendor/tombstones 0771 root root
 
     start tombstoned
 
     # set up keystore directory structure first so that we can end early boot
     # and start apexd
-    mkdir /data/misc 01771 system misc encryption=Require
+    mkdir /data/misc 01771 system misc
     mkdir /data/misc/keystore 0700 keystore keystore
     # work around b/183668221
     restorecon /data/misc /data/misc/keystore
@@ -155,15 +150,9 @@
     # to leave room for earlier levels.
     setprop keystore.boot_level 30
 
-    # Now that /data is mounted and we have created /data/misc/keystore,
-    # we can tell keystore to stop allowing use of early-boot keys,
-    # and access its database for the first time to support creation and
-    # use of MAX_BOOT_LEVEL keys.
-    exec - system system -- /system/bin/vdc keymaster earlyBootEnded
-
     # For security reasons, /data/local/tmp should always be empty.
     # Do not place files or directories in /data/local/tmp
-    mkdir /data/local 0751 root root encryption=Require
+    mkdir /data/local 0751 root root
     mkdir /data/local/tmp 0771 shell shell
 
 service ueventd /system/bin/ueventd
@@ -189,6 +178,3 @@
 
 on property:sys.boot_completed=1
     start logd-auditctl
-
-on property:vold.decrypt=trigger_post_fs_data
-    trigger post-fs-data
diff --git a/microdroid/microdroid_cdisk_userdata.json b/microdroid/microdroid_cdisk_userdata.json
deleted file mode 100644
index 04af3f2..0000000
--- a/microdroid/microdroid_cdisk_userdata.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "partitions": [
-    {
-      "label": "userdata",
-      "path": "userdata.img",
-      "writable": true
-    }
-  ]
-}