diff --git a/metropolis/pkg/erofs/BUILD.bazel b/metropolis/pkg/erofs/BUILD.bazel
index 7014e87..af484a8 100644
--- a/metropolis/pkg/erofs/BUILD.bazel
+++ b/metropolis/pkg/erofs/BUILD.bazel
@@ -33,7 +33,5 @@
 
 ktest(
     cmdline = "ramdisk_size=128",
-    initramfs_extra = "",
     tester = ":go_default_test",
-    deps = [],
 )
diff --git a/metropolis/pkg/fsquota/BUILD.bazel b/metropolis/pkg/fsquota/BUILD.bazel
index f4e11d3..dbeb19b 100644
--- a/metropolis/pkg/fsquota/BUILD.bazel
+++ b/metropolis/pkg/fsquota/BUILD.bazel
@@ -29,11 +29,8 @@
 
 ktest(
     cmdline = "ramdisk_size=51200",
-    initramfs_extra = """
-file /mkfs.xfs $(location //third_party/xfsprogs:mkfs.xfs) 0755 0 0
-    """,
+    files_cc = {
+        "@xfsprogs//:mkfs": "/mkfs.xfs",
+    },
     tester = ":go_default_test",
-    deps = [
-        "//third_party/xfsprogs:mkfs.xfs",
-    ],
 )