diff --git a/cmds/installd/Android.bp b/cmds/installd/Android.bp
index d66066e..c80ae3b 100644
--- a/cmds/installd/Android.bp
+++ b/cmds/installd/Android.bp
@@ -128,6 +128,10 @@
             ],
         },
     },
+
+    // Needs to be wherever installd is as it's execed by
+    // installd.
+    required: [ "migrate_legacy_obb_data.sh" ],
 }
 
 // OTA chroot tool
@@ -254,3 +258,9 @@
         "otapreopt_slot",
     ],
 }
+
+// Script to migrate legacy obb data.
+sh_binary {
+    name: "migrate_legacy_obb_data.sh",
+    src: "migrate_legacy_obb_data.sh"
+}
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index 1384285..caac2e8 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -2816,5 +2816,16 @@
     return ok();
 }
 
+binder::Status InstalldNativeService::migrateLegacyObbData() {
+    ENFORCE_UID(AID_SYSTEM);
+    // NOTE: The lint warning doesn't apply to the use of system(3) with
+    // absolute parse and no command line arguments.
+    if (system("/system/bin/migrate_legacy_obb_data.sh") != 0) { // NOLINT(cert-env33-c)
+        LOG(ERROR) << "Unable to migrate legacy obb data";
+    }
+
+    return ok();
+}
+
 }  // namespace installd
 }  // namespace android
diff --git a/cmds/installd/InstalldNativeService.h b/cmds/installd/InstalldNativeService.h
index 0e91cb2..2b7bf33 100644
--- a/cmds/installd/InstalldNativeService.h
+++ b/cmds/installd/InstalldNativeService.h
@@ -155,6 +155,8 @@
             const std::string& codePath, const std::unique_ptr<std::string>& dexMetadata,
             bool* _aidl_return);
 
+    binder::Status migrateLegacyObbData();
+
 private:
     std::recursive_mutex mLock;
 
diff --git a/cmds/installd/binder/android/os/IInstalld.aidl b/cmds/installd/binder/android/os/IInstalld.aidl
index 4610a66..26e9984 100644
--- a/cmds/installd/binder/android/os/IInstalld.aidl
+++ b/cmds/installd/binder/android/os/IInstalld.aidl
@@ -112,6 +112,8 @@
     void destroyAppDataSnapshot(@nullable @utf8InCpp String uuid, @utf8InCpp String packageName,
             int userId, long ceSnapshotInode, int snapshotId, int storageFlags);
 
+    void migrateLegacyObbData();
+
     const int FLAG_STORAGE_DE = 0x1;
     const int FLAG_STORAGE_CE = 0x2;
     const int FLAG_STORAGE_EXTERNAL = 0x4;
diff --git a/cmds/installd/migrate_legacy_obb_data.sh b/cmds/installd/migrate_legacy_obb_data.sh
new file mode 100644
index 0000000..4f8a1ec
--- /dev/null
+++ b/cmds/installd/migrate_legacy_obb_data.sh
@@ -0,0 +1,27 @@
+#!/system/bin/sh
+
+#
+# Copyright (C) 2019 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+if ! test -d /data/media/obb ; then
+  log -p i -t migrate_legacy_obb_data "No legacy obb data to migrate."
+  exit 0
+fi
+
+log -p i -t migrate_legacy_obb_data "Migrating legacy obb data."
+rm -rf /data/media/0/Android/obb
+cp -F -p -R -P -d /data/media/obb /data/media/0/Android
+rm -rf /data/media/obb
+log -p i -t migrate_legacy_obb_data "Done."