diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index f28af96..2715d6a 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -69,7 +69,6 @@
     "IUidObserver.cpp",
     "PermissionCache.cpp",
     "PermissionController.cpp",
-    "IpPrefix.cpp",
     ":activity_manager_procstate_aidl",
 ]
 
diff --git a/libs/binder/IpPrefix.cpp b/libs/binder/IpPrefix.cpp
deleted file mode 100644
index 4edc493..0000000
--- a/libs/binder/IpPrefix.cpp
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-
-#define LOG_TAG "IpPrefix"
-
-#include <binder/IpPrefix.h>
-#include <vector>
-
-#include <binder/IBinder.h>
-#include <binder/Parcel.h>
-#include <log/log.h>
-#include <utils/Errors.h>
-
-using android::BAD_VALUE;
-using android::NO_ERROR;
-using android::Parcel;
-using android::status_t;
-
-namespace android {
-
-namespace net {
-
-#define RETURN_IF_FAILED(calledOnce)                                     \
-    {                                                                    \
-        status_t returnStatus = calledOnce;                              \
-        if (returnStatus) {                                              \
-            ALOGE("Failed at %s:%d (%s)", __FILE__, __LINE__, __func__); \
-            return returnStatus;                                         \
-         }                                                               \
-    }
-
-status_t IpPrefix::writeToParcel(Parcel* parcel) const {
-    /*
-     * Keep implementation in sync with writeToParcel() in
-     * frameworks/base/core/java/android/net/IpPrefix.java.
-     */
-    std::vector<uint8_t> byte_vector;
-
-    if (mIsIpv6) {
-        const uint8_t* bytes = reinterpret_cast<const uint8_t*>(&mUnion.mIn6Addr);
-        byte_vector.insert(byte_vector.end(), bytes, bytes+sizeof(mUnion.mIn6Addr));
-    } else {
-        const uint8_t* bytes = reinterpret_cast<const uint8_t*>(&mUnion.mInAddr);
-        byte_vector.insert(byte_vector.end(), bytes, bytes+sizeof(mUnion.mIn6Addr));
-    }
-
-    RETURN_IF_FAILED(parcel->writeByteVector(byte_vector));
-    RETURN_IF_FAILED(parcel->writeInt32(static_cast<int32_t>(mPrefixLength)));
-
-    return NO_ERROR;
-}
-
-status_t IpPrefix::readFromParcel(const Parcel* parcel) {
-    /*
-     * Keep implementation in sync with readFromParcel() in
-     * frameworks/base/core/java/android/net/IpPrefix.java.
-     */
-    std::vector<uint8_t> byte_vector;
-
-    RETURN_IF_FAILED(parcel->readByteVector(&byte_vector));
-    RETURN_IF_FAILED(parcel->readInt32(&mPrefixLength));
-
-    if (byte_vector.size() == 16) {
-        mIsIpv6 = true;
-        memcpy((void*)&mUnion.mIn6Addr, &byte_vector[0], sizeof(mUnion.mIn6Addr));
-
-    } else if (byte_vector.size() == 4) {
-        mIsIpv6 = false;
-        memcpy((void*)&mUnion.mInAddr, &byte_vector[0], sizeof(mUnion.mInAddr));
-
-    } else {
-        ALOGE("Failed at %s:%d (%s)", __FILE__, __LINE__, __func__); \
-        return BAD_VALUE;
-    }
-
-    return NO_ERROR;
-}
-
-const struct in6_addr& IpPrefix::getAddressAsIn6Addr() const
-{
-    return mUnion.mIn6Addr;
-}
-
-const struct in_addr& IpPrefix::getAddressAsInAddr() const
-{
-    return mUnion.mInAddr;
-}
-
-bool IpPrefix::getAddressAsIn6Addr(struct in6_addr* addr) const
-{
-    if (isIpv6()) {
-        *addr = mUnion.mIn6Addr;
-        return true;
-    }
-    return false;
-}
-
-bool IpPrefix::getAddressAsInAddr(struct in_addr* addr) const
-{
-    if (isIpv4()) {
-        *addr = mUnion.mInAddr;
-        return true;
-    }
-    return false;
-}
-
-bool IpPrefix::isIpv6() const
-{
-    return mIsIpv6;
-}
-
-bool IpPrefix::isIpv4() const
-{
-    return !mIsIpv6;
-}
-
-int32_t IpPrefix::getPrefixLength() const
-{
-    return mPrefixLength;
-}
-
-void IpPrefix::setAddress(const struct in6_addr& addr)
-{
-    mUnion.mIn6Addr = addr;
-    mIsIpv6 = true;
-}
-
-void IpPrefix::setAddress(const struct in_addr& addr)
-{
-    mUnion.mInAddr = addr;
-    mIsIpv6 = false;
-}
-
-void IpPrefix::setPrefixLength(int32_t prefix)
-{
-    mPrefixLength = prefix;
-}
-
-bool operator==(const IpPrefix& lhs, const IpPrefix& rhs)
-{
-    if (lhs.mIsIpv6 != rhs.mIsIpv6) {
-        return false;
-    }
-
-    if (lhs.mPrefixLength != rhs.mPrefixLength) {
-        return false;
-    }
-
-    if (lhs.mIsIpv6) {
-        return 0 == memcmp(lhs.mUnion.mIn6Addr.s6_addr, rhs.mUnion.mIn6Addr.s6_addr, sizeof(struct in6_addr));
-    }
-
-    return 0 == memcmp(&lhs.mUnion.mInAddr, &rhs.mUnion.mInAddr, sizeof(struct in_addr));
-}
-
-}  // namespace net
-
-}  // namespace android
diff --git a/libs/binder/include/binder/IpPrefix.h b/libs/binder/include/binder/IpPrefix.h
deleted file mode 100644
index a8faa3f..0000000
--- a/libs/binder/include/binder/IpPrefix.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-
-#pragma once
-
-#ifndef __ANDROID_VNDK__
-
-#include <netinet/in.h>
-
-#include <binder/Parcelable.h>
-#include <utils/String16.h>
-#include <utils/StrongPointer.h>
-
-namespace android {
-
-namespace net {
-
-/*
- * C++ implementation of the Java class android.net.IpPrefix
- */
-class IpPrefix : public Parcelable {
-public:
-    IpPrefix() = default;
-    virtual ~IpPrefix() = default;
-    IpPrefix(const IpPrefix& prefix) = default;
-
-    IpPrefix(const struct in6_addr& addr, int32_t plen):
-        mUnion(addr), mPrefixLength(plen), mIsIpv6(true) { }
-
-    IpPrefix(const struct in_addr& addr, int32_t plen):
-        mUnion(addr), mPrefixLength(plen), mIsIpv6(false) { }
-
-    bool getAddressAsIn6Addr(struct in6_addr* addr) const;
-    bool getAddressAsInAddr(struct in_addr* addr) const;
-
-    const struct in6_addr& getAddressAsIn6Addr() const;
-    const struct in_addr& getAddressAsInAddr() const;
-
-    bool isIpv6() const;
-    bool isIpv4() const;
-
-    int32_t getPrefixLength() const;
-
-    void setAddress(const struct in6_addr& addr);
-    void setAddress(const struct in_addr& addr);
-
-    void setPrefixLength(int32_t prefix);
-
-    friend bool operator==(const IpPrefix& lhs, const IpPrefix& rhs);
-
-    friend bool operator!=(const IpPrefix& lhs, const IpPrefix& rhs) {
-        return !(lhs == rhs);
-    }
-
-public:
-    // Overrides
-    status_t writeToParcel(Parcel* parcel) const override;
-    status_t readFromParcel(const Parcel* parcel) override;
-
-private:
-    union InternalUnion {
-        InternalUnion() = default;
-        explicit InternalUnion(const struct in6_addr &addr):mIn6Addr(addr) { }
-        explicit InternalUnion(const struct in_addr &addr):mInAddr(addr) { }
-        struct in6_addr mIn6Addr;
-        struct in_addr mInAddr;
-    } mUnion;
-    int32_t mPrefixLength;
-    bool mIsIpv6;
-};
-
-}  // namespace net
-
-}  // namespace android
-
-#else // __ANDROID_VNDK__
-#error "This header is not visible to vendors"
-#endif // __ANDROID_VNDK__