diff --git a/metropolis/node/core/abloader/BUILD.bazel b/metropolis/node/core/abloader/BUILD.bazel
index d56a391..e8c49ac 100644
--- a/metropolis/node/core/abloader/BUILD.bazel
+++ b/metropolis/node/core/abloader/BUILD.bazel
@@ -1,5 +1,5 @@
 load("@rules_rust//rust:defs.bzl", "rust_binary")
-load("//metropolis/node/build:def.bzl", "platform_transition_binary")
+load("//osbase/build:def.bzl", "platform_transition_binary")
 
 rust_binary(
     name = "abloader_bin",
diff --git a/metropolis/node/core/update/BUILD.bazel b/metropolis/node/core/update/BUILD.bazel
index 30ca20b..f60ba40 100644
--- a/metropolis/node/core/update/BUILD.bazel
+++ b/metropolis/node/core/update/BUILD.bazel
@@ -9,9 +9,9 @@
     importpath = "source.monogon.dev/metropolis/node/core/update",
     visibility = ["//visibility:public"],
     deps = [
-        "//metropolis/node/build/mkimage/osimage",
         "//metropolis/node/core/abloader/spec",
         "//osbase/blockdev",
+        "//osbase/build/mkimage/osimage",
         "//osbase/efivarfs",
         "//osbase/gpt",
         "//osbase/kexec",
diff --git a/metropolis/node/core/update/e2e/BUILD.bazel b/metropolis/node/core/update/e2e/BUILD.bazel
index abf3ba1..3443ecf 100644
--- a/metropolis/node/core/update/e2e/BUILD.bazel
+++ b/metropolis/node/core/update/e2e/BUILD.bazel
@@ -26,9 +26,9 @@
         "xAbloaderPath": "_main/metropolis/node/core/abloader/abloader_bin.efi",
     },
     deps = [
-        "//metropolis/node/build/mkimage/osimage",
         "//osbase/blkio",
         "//osbase/blockdev",
+        "//osbase/build/mkimage/osimage",
         "@io_bazel_rules_go//go/runfiles:go_default_library",
     ],
 )
diff --git a/metropolis/node/core/update/e2e/e2e_test.go b/metropolis/node/core/update/e2e/e2e_test.go
index 68e55e0..7679a69 100644
--- a/metropolis/node/core/update/e2e/e2e_test.go
+++ b/metropolis/node/core/update/e2e/e2e_test.go
@@ -18,9 +18,9 @@
 
 	"github.com/bazelbuild/rules_go/go/runfiles"
 
-	"source.monogon.dev/metropolis/node/build/mkimage/osimage"
 	"source.monogon.dev/osbase/blkio"
 	"source.monogon.dev/osbase/blockdev"
+	"source.monogon.dev/osbase/build/mkimage/osimage"
 )
 
 var (
diff --git a/metropolis/node/core/update/e2e/testos/BUILD.bazel b/metropolis/node/core/update/e2e/testos/BUILD.bazel
index 275a44c..8a4b122 100644
--- a/metropolis/node/core/update/e2e/testos/BUILD.bazel
+++ b/metropolis/node/core/update/e2e/testos/BUILD.bazel
@@ -13,10 +13,10 @@
     importpath = "source.monogon.dev/metropolis/node/core/update/e2e/testos",
     visibility = ["//visibility:private"],
     deps = [
-        "//metropolis/node/build/mkimage/osimage",
         "//metropolis/node/core/network",
         "//metropolis/node/core/update",
         "//osbase/blockdev",
+        "//osbase/build/mkimage/osimage",
         "//osbase/gpt",
         "//osbase/logtree",
         "//osbase/supervisor",
diff --git a/metropolis/node/core/update/e2e/testos/main.go b/metropolis/node/core/update/e2e/testos/main.go
index e77a4e2..69897eb 100644
--- a/metropolis/node/core/update/e2e/testos/main.go
+++ b/metropolis/node/core/update/e2e/testos/main.go
@@ -8,10 +8,10 @@
 
 	"golang.org/x/sys/unix"
 
-	"source.monogon.dev/metropolis/node/build/mkimage/osimage"
 	"source.monogon.dev/metropolis/node/core/network"
 	"source.monogon.dev/metropolis/node/core/update"
 	"source.monogon.dev/osbase/blockdev"
+	"source.monogon.dev/osbase/build/mkimage/osimage"
 	"source.monogon.dev/osbase/gpt"
 	"source.monogon.dev/osbase/logtree"
 	"source.monogon.dev/osbase/supervisor"
diff --git a/metropolis/node/core/update/e2e/testos/testos.bzl b/metropolis/node/core/update/e2e/testos/testos.bzl
index 29e218f..2ce3e31 100644
--- a/metropolis/node/core/update/e2e/testos/testos.bzl
+++ b/metropolis/node/core/update/e2e/testos/testos.bzl
@@ -1,6 +1,6 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_binary")
-load("//metropolis/node/build:def.bzl", "erofs_image", "verity_image")
-load("//metropolis/node/build:efi.bzl", "efi_unified_kernel_image")
+load("//osbase/build:def.bzl", "erofs_image", "verity_image")
+load("//osbase/build:efi.bzl", "efi_unified_kernel_image")
 load("@rules_pkg//:pkg.bzl", "pkg_zip")
 load("@rules_pkg//:mappings.bzl", "pkg_files")
 
@@ -14,7 +14,7 @@
             "@com_github_coredns_coredns//:coredns": "/kubernetes/bin/coredns",
         },
         fsspecs = [
-            "//metropolis/node/build:earlydev.fsspec",
+            "//osbase/build:earlydev.fsspec",
             ":rootfs.fsspec",
         ],
     )
diff --git a/metropolis/node/core/update/update.go b/metropolis/node/core/update/update.go
index 28b2381..b6d2ce4 100644
--- a/metropolis/node/core/update/update.go
+++ b/metropolis/node/core/update/update.go
@@ -23,9 +23,9 @@
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/proto"
 
-	"source.monogon.dev/metropolis/node/build/mkimage/osimage"
 	abloaderpb "source.monogon.dev/metropolis/node/core/abloader/spec"
 	"source.monogon.dev/osbase/blockdev"
+	"source.monogon.dev/osbase/build/mkimage/osimage"
 	"source.monogon.dev/osbase/efivarfs"
 	"source.monogon.dev/osbase/gpt"
 	"source.monogon.dev/osbase/kexec"