diff --git a/Android.bp b/Android.bp
index d1febe8..96beb97 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,58 +1 @@
-// This file is generated by cargo_embargo.
-// Do not modify this file because the changes will be overridden on upgrade.
-
-package {
-    default_applicable_licenses: ["external_rust_crates_hex_license"],
-    default_team: "trendy_team_android_rust",
-}
-
-license {
-    name: "external_rust_crates_hex_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-Apache-2.0"],
-    license_text: ["LICENSE"],
-}
-
-rust_library {
-    name: "libhex",
-    host_supported: true,
-    crate_name: "hex",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.4.3",
-    crate_root: "src/lib.rs",
-    edition: "2018",
-    features: [
-        "alloc",
-        "default",
-        "std",
-    ],
-    apex_available: [
-        "//apex_available:platform",
-        "//apex_available:anyapex",
-    ],
-    product_available: true,
-    vendor_available: true,
-}
-
-rust_library_rlib {
-    name: "libhex_nostd",
-    crate_name: "hex",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.4.3",
-    crate_root: "src/lib.rs",
-    edition: "2018",
-    features: ["alloc"],
-    apex_available: [
-        "//apex_available:platform",
-        "//apex_available:anyapex",
-    ],
-    prefer_rlib: true,
-    no_stdlibs: true,
-    stdlibs: [
-        "liballoc.rust_sysroot",
-        "libcompiler_builtins.rust_sysroot",
-        "libcore.rust_sysroot",
-    ],
-    product_available: true,
-    vendor_available: true,
-}
+// This crate has been migrated to external/rust/android-crates-io.
diff --git a/TEST_MAPPING b/TEST_MAPPING
deleted file mode 100644
index 641a209..0000000
--- a/TEST_MAPPING
+++ /dev/null
@@ -1,38 +0,0 @@
-// Generated by update_crate_tests.py for tests that depend on this crate.
-{
-  "imports": [
-    {
-      "path": "external/rust/crates/ciborium-ll"
-    },
-    {
-      "path": "external/rust/crates/coset"
-    },
-    {
-      "path": "packages/modules/Virtualization/apkdmverity"
-    },
-    {
-      "path": "packages/modules/Virtualization/avmd"
-    },
-    {
-      "path": "packages/modules/Virtualization/encryptedstore"
-    },
-    {
-      "path": "packages/modules/Virtualization/libs/apexutil"
-    },
-    {
-      "path": "packages/modules/Virtualization/libs/apkverify"
-    },
-    {
-      "path": "packages/modules/Virtualization/libs/devicemapper"
-    },
-    {
-      "path": "packages/modules/Virtualization/microdroid_manager"
-    },
-    {
-      "path": "packages/modules/Virtualization/virtualizationmanager"
-    },
-    {
-      "path": "system/keymint/hal"
-    }
-  ]
-}
diff --git a/cargo_embargo.json b/cargo_embargo.json
deleted file mode 100644
index 3bbad79..0000000
--- a/cargo_embargo.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  "run_cargo": false,
-  "variants": [
-    {},
-    {
-      "features": [
-        "alloc"
-      ],
-      "module_name_overrides": {
-        "libhex": "libhex_nostd"
-      },
-      "package": {
-        "hex": {
-          "alloc": true,
-          "force_rlib": true,
-          "host_supported": false,
-          "no_std": true
-        }
-      }
-    }
-  ]
-}