diff --git a/internal/crypto/BUILD.gn b/internal/crypto/BUILD.gn
deleted file mode 100644
index 43925ec6..00000000
--- a/internal/crypto/BUILD.gn
+++ /dev/null
@@ -1,217 +0,0 @@
-# Copyright (c) 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import("//build/config/chromeos/ui_mode.gni")
-import("//build/config/crypto.gni")
-import("//testing/test.gni")
-
-component("crypto") {
-  output_name = "crcrypto"  # Avoid colliding with OpenSSL's libcrypto.
-  sources = [
-    "aead.cc",
-    "aead.h",
-    "crypto_export.h",
-    "ec_private_key.cc",
-    "ec_private_key.h",
-    "ec_signature_creator.cc",
-    "ec_signature_creator.h",
-    "ec_signature_creator_impl.cc",
-    "ec_signature_creator_impl.h",
-    "encryptor.cc",
-    "encryptor.h",
-    "hkdf.cc",
-    "hkdf.h",
-    "hmac.cc",
-    "hmac.h",
-    "openssl_util.cc",
-    "openssl_util.h",
-    "p224_spake.cc",
-    "p224_spake.h",
-    "random.cc",
-    "random.h",
-    "rsa_private_key.cc",
-    "rsa_private_key.h",
-    "scoped_capi_types.h",
-    "scoped_nss_types.h",
-    "secure_hash.cc",
-    "secure_hash.h",
-    "secure_util.cc",
-    "secure_util.h",
-    "sha2.cc",
-    "sha2.h",
-    "signature_creator.cc",
-    "signature_creator.h",
-    "signature_verifier.cc",
-    "signature_verifier.h",
-    "symmetric_key.cc",
-    "symmetric_key.h",
-    "unexportable_key.cc",
-    "unexportable_key.h",
-  ]
-
-  deps = [
-    ":platform",
-    "//base",
-    "//base/third_party/dynamic_annotations",
-  ]
-
-  public_deps = [ "//third_party/boringssl" ]
-
-  if (is_apple) {
-    sources += [
-      "apple_keychain.h",
-
-      # TODO(brettw): these mocks should be moved to a test_support_crypto
-      # target if possible.
-      "mock_apple_keychain.cc",
-      "mock_apple_keychain.h",
-    ]
-
-    if (is_mac) {
-      sources += [
-        "apple_keychain_mac.mm",
-
-        # TODO(brettw): these mocks should be moved to a test_support_crypto
-        # target if possible.
-        "mock_apple_keychain_mac.cc",
-      ]
-    }
-    if (is_ios) {
-      sources += [
-        "apple_keychain_ios.mm",
-
-        # TODO(brettw): these mocks should be moved to a test_support_crypto
-        # target if possible.
-        "mock_apple_keychain_ios.cc",
-      ]
-    }
-
-    frameworks = [
-      "CoreFoundation.framework",
-      "Security.framework",
-    ]
-  }
-
-  if (is_mac) {
-    sources += [
-      "mac_security_services_lock.cc",
-      "mac_security_services_lock.h",
-    ]
-  }
-  if (is_win) {
-    sources += [
-      "capi_util.cc",
-      "capi_util.h",
-      "unexportable_key_win.cc",
-    ]
-    libs = [ "ncrypt.lib" ]
-  }
-
-  # Some files are built when NSS is used for the platform certificate library.
-  if (use_nss_certs) {
-    sources += [
-      "nss_crypto_module_delegate.h",
-      "nss_key_util.cc",
-      "nss_key_util.h",
-      "nss_util.cc",
-      "nss_util.h",
-      "nss_util_internal.h",
-    ]
-    deps += [ "//build:chromeos_buildflags" ]
-  }
-
-  if (is_chromeos_ash) {
-    sources += [ "nss_util_chromeos.cc" ]
-  }
-
-  if (is_chromeos || is_chromeos_lacros) {
-    sources += [
-      "chaps_support.cc",
-      "chaps_support.h",
-    ]
-  }
-
-  defines = [ "CRYPTO_IMPLEMENTATION" ]
-}
-
-test("crypto_unittests") {
-  sources = [
-    "aead_unittest.cc",
-    "ec_private_key_unittest.cc",
-    "ec_signature_creator_unittest.cc",
-    "encryptor_unittest.cc",
-    "hmac_unittest.cc",
-    "p224_spake_unittest.cc",
-    "random_unittest.cc",
-    "rsa_private_key_unittest.cc",
-    "secure_hash_unittest.cc",
-    "sha2_unittest.cc",
-    "signature_creator_unittest.cc",
-    "signature_verifier_unittest.cc",
-    "symmetric_key_unittest.cc",
-    "unexportable_key_unittest.cc",
-  ]
-
-  # Some files are built when NSS is used for the platform certificate library.
-  if (use_nss_certs) {
-    sources += [
-      "nss_key_util_unittest.cc",
-      "nss_util_unittest.cc",
-    ]
-  }
-
-  deps = [
-    ":crypto",
-    ":platform",
-    ":test_support",
-    "//base",
-    "//base/test:run_all_unittests",
-    "//base/test:test_support",
-    "//testing/gmock",
-    "//testing/gtest",
-  ]
-}
-
-static_library("test_support") {
-  testonly = true
-  sources = [
-    "scoped_mock_unexportable_key_provider.cc",
-    "scoped_mock_unexportable_key_provider.h",
-  ]
-
-  if (use_nss_certs) {
-    sources += [
-      "scoped_test_nss_db.cc",
-      "scoped_test_nss_db.h",
-    ]
-  }
-
-  if (is_chromeos_ash) {
-    sources += [
-      "scoped_test_nss_chromeos_user.cc",
-      "scoped_test_nss_chromeos_user.h",
-      "scoped_test_system_nss_key_slot.cc",
-      "scoped_test_system_nss_key_slot.h",
-    ]
-  }
-
-  deps = [
-    ":crypto",
-    ":platform",
-    "//base",
-  ]
-}
-
-# This is a meta-target that forwards to NSS's SSL library or OpenSSL,
-# according to the state of the crypto flags. A target just wanting to depend
-# on the current SSL library should just depend on this.
-group("platform") {
-  public_deps = [ "//third_party/boringssl" ]
-
-  # Link in NSS if it is used for the platform certificate library
-  # (use_nss_certs).
-  if (use_nss_certs) {
-    public_configs = [ "//build/config/linux/nss:system_nss_no_ssl_config" ]
-  }
-}