diff --git a/src/javascript/crypto/e2e/algorithm/all_ciphers.js b/src/javascript/crypto/e2e/algorithm/all_ciphers.js
index 31de11bb..d147b939 100644
--- a/src/javascript/crypto/e2e/algorithm/all_ciphers.js
+++ b/src/javascript/crypto/e2e/algorithm/all_ciphers.js
@@ -23,20 +23,10 @@ goog.provide('e2e.cipher.all');
 /** @suppress {extraRequire} intentional import */
 goog.require('e2e.cipher.Aes');
 /** @suppress {extraRequire} intentional import */
-goog.require('e2e.cipher.Blowfish');
-/** @suppress {extraRequire} intentional import */
-goog.require('e2e.cipher.Cast5');
-/** @suppress {extraRequire} intentional import */
-goog.require('e2e.cipher.Des');
-/** @suppress {extraRequire} intentional import */
 goog.require('e2e.cipher.Ecdh');
 /** @suppress {extraRequire} intentional import */
 goog.require('e2e.cipher.ElGamal');
 /** @suppress {extraRequire} intentional import */
-goog.require('e2e.cipher.Idea');
-/** @suppress {extraRequire} intentional import */
 goog.require('e2e.cipher.Rsa');
 /** @suppress {extraRequire} intentional import */
 goog.require('e2e.cipher.RsaEncrypt');
-/** @suppress {extraRequire} intentional import */
-goog.require('e2e.cipher.TripleDes');
diff --git a/src/javascript/crypto/e2e/algorithm/deprecated_ciphers.js b/src/javascript/crypto/e2e/algorithm/deprecated_ciphers.js
new file mode 100644
index 00000000..5b30880a
--- /dev/null
+++ b/src/javascript/crypto/e2e/algorithm/deprecated_ciphers.js
@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2017 Google Inc. All rights reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @fileoverview Requires deprecated ciphers () to load them into the factory.
+ */
+/** @suppress {extraProvide} this aggregation needs a namespace */
+goog.provide('e2e.cipher.deprecated');
+
+/** @suppress {extraRequire} intentional import */
+goog.require('e2e.cipher.Blowfish');
+/** @suppress {extraRequire} intentional import */
+goog.require('e2e.cipher.Cast5');
+/** @suppress {extraRequire} intentional import */
+goog.require('e2e.cipher.Des');
+/** @suppress {extraRequire} intentional import */
+goog.require('e2e.cipher.Idea');
+/** @suppress {extraRequire} intentional import */
+goog.require('e2e.cipher.TripleDes');