diff --git a/build_library/disk_layout_v2.json b/build_library/disk_layout_v2.json
index 351aff6..348efe4 100644
--- a/build_library/disk_layout_v2.json
+++ b/build_library/disk_layout_v2.json
@@ -134,10 +134,6 @@
     # Used for factory install images.
     "factory_install": [
       {
-        "num": 12,
-        "size": "32 MiB"
-      },
-      {
         "num": 5,
         "size": "2 MiB"
       },
diff --git a/build_library/minios_disk_layout.json b/build_library/minios_disk_layout.json
index 71f0303..bb997f0 100644
--- a/build_library/minios_disk_layout.json
+++ b/build_library/minios_disk_layout.json
@@ -136,10 +136,6 @@
     # Used for factory install images.
     "factory_install": [
       {
-        "num": 12,
-        "size": "32 MiB"
-      },
-      {
         "num": 3,
         "size": "420 MiB",
         "fs_size": "400 MiB"