diff --git a/Android.bp b/Android.bp
index 0524eaf..eabd567 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,15 +1,9 @@
-filegroup {
-    name: "jarjar-rules",
-    srcs: ["jarjar-rules.txt"],
-}
-
 android_app {
     name: "TelephonyProvider",
     privileged: true,
-    srcs: ["src/**/*.java", "proto/**/*.proto"],
-    jarjar_rules: ":jarjar-rules",
+    srcs: ["src/**/*.java"],
     platform_apis: true,
     certificate: "platform",
     libs: ["telephony-common"],
-    static_libs: ["android-common", "telephonyprovider-protos"],
-}
\ No newline at end of file
+    static_libs: ["android-common"],
+}
diff --git a/jarjar-rules.txt b/jarjar-rules.txt
deleted file mode 100644
index b0d73d3..0000000
--- a/jarjar-rules.txt
+++ /dev/null
@@ -1 +0,0 @@
-rule com.android.internal.util.XmlUtils* com.android.internal.telephony.XmlUtils@1
diff --git a/proto/Android.bp b/proto/Android.bp
deleted file mode 100644
index 4420263..0000000
--- a/proto/Android.bp
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright (C) 2019 The Android Open Source Project
-//
-// 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.
-
-java_library_static {
-    name: "telephonyprovider-protos",
-    proto: {
-        type: "nano",
-        output_params: [
-            "store_unknown_fields=true",
-            "enum_style=java",
-        ],
-    },
-    srcs: ["src/**/*.proto"],
-    sdk_version: "core_platform",
-    jarjar_rules: "jarjar-rules.txt",
-    // Pin java_version until jarjar is certified to support later versions. http://b/72703434
-    java_version: "1.8",
-}
diff --git a/proto/jarjar-rules.txt b/proto/jarjar-rules.txt
deleted file mode 100644
index 4cad1ee..0000000
--- a/proto/jarjar-rules.txt
+++ /dev/null
@@ -1 +0,0 @@
-rule com.google.protobuf.nano.** com.android.providers.telephony.protobuf.nano.@1
\ No newline at end of file
diff --git a/proto/src/carrierId.proto b/proto/src/carrierId.proto
deleted file mode 100644
index 9d2f29e..0000000
--- a/proto/src/carrierId.proto
+++ /dev/null
@@ -1,92 +0,0 @@
-//
-// Copyright (C) 2019 The Android Open Source Project
-//
-// 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.
-//
-
-syntax = "proto2";
-
-package carrierIdentification;
-
-option java_package = "com.android.providers.telephony";
-option java_outer_classname = "CarrierIdProto";
-
-// A complete list of carriers
-message CarrierList {
-  // A collection of carriers. one entry for one carrier.
-  repeated CarrierId carrier_id = 1;
-  // Version number of current carrier list
-  optional int32 version = 2;
-};
-
-// CarrierId is the unique representation of a carrier in CID table.
-message CarrierId {
-  // [Optional] A unique canonical number designated to a carrier.
-  optional int32 canonical_id = 1;
-
-  // [Optional] A user-friendly carrier name (not localized).
-  optional string carrier_name = 2;
-
-  // [Optional] Carrier attributes to match a carrier. At least one value is required.
-  repeated CarrierAttribute carrier_attribute = 3;
-
-  // [Optional] A unique canonical number to represent its parent carrier. The parent-child
-  // relationship can be used to differentiate a single carrier by different networks,
-  // by prepaid v.s. postpaid  or even by 4G v.s. 3G plan.
-  optional int32 parent_canonical_id = 4;
-};
-
-// Attributes used to match a carrier.
-// For each field within this message:
-//   - if not set, the attribute is ignored;
-//   - if set, the device must have one of the specified values to match.
-// Match is based on AND between any field that is set and OR for values within a repeated field.
-message CarrierAttribute {
-  // [Optional] The MCC and MNC that map to this carrier. At least one value is required.
-  repeated string mccmnc_tuple = 1;
-
-  // [Optional] Prefix of IMSI (International Mobile Subscriber Identity) in
-  // decimal format. Some digits can be replaced with "x" symbols matching any digit.
-  // Sample values: 20404794, 21670xx2xxx.
-  repeated string imsi_prefix_xpattern = 2;
-
-  // [Optional] The Service Provider Name. Read from subscription EF_SPN.
-  // Sample values: C Spire, LeclercMobile
-  repeated string spn = 3;
-
-  // [Optional] PLMN network name. Read from subscription EF_PNN.
-  // Sample values:
-  repeated string plmn = 4;
-
-  // [Optional] Group Identifier Level1 for a GSM phone. Read from subscription EF_GID1.
-  // Sample values: 6D, BAE0000000000000
-  repeated string gid1 = 5;
-
-  // [Optional] Group Identifier Level2 for a GSM phone. Read from subscription EF_GID2.
-  // Sample values: 6D, BAE0000000000000
-  repeated string gid2 = 6;
-
-  // [Optional] The Access Point Name, corresponding to "apn" field returned by
-  // "content://telephony/carriers/preferapn" on device.
-  // Sample values: fast.t-mobile.com, internet
-  repeated string preferred_apn = 7;
-
-  // [Optional] Prefix of Integrated Circuit Card Identifier. Read from subscription EF_ICCID.
-  // Sample values: 894430, 894410
-  repeated string iccid_prefix = 8;
-
-  // [Optional] Carrier Privilege Access Rule in hex string.
-  // Sample values: 61ed377e85d386a8dfee6b864bd85b0bfaa5af88
-  repeated string privilege_access_rule = 9;
-};
-
diff --git a/src/com/android/providers/telephony/CarrierIdProvider.java b/src/com/android/providers/telephony/CarrierIdProvider.java
index e008943..44f053d 100644
--- a/src/com/android/providers/telephony/CarrierIdProvider.java
+++ b/src/com/android/providers/telephony/CarrierIdProvider.java
@@ -41,8 +41,7 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.telephony.SubscriptionController;
-import com.android.internal.telephony.util.TelephonyUtils;
-import com.android.providers.telephony.nano.CarrierIdProto;
+import com.android.internal.telephony.nano.CarrierIdProto;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;