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diff --git a/third_party/protobuf/3.2.0/java/core/src/main/java/com/google/protobuf/AbstractProtobufList.java b/third_party/protobuf/3.2.0/java/core/src/main/java/com/google/protobuf/AbstractProtobufList.java
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index b17db6e0b3..0000000000
--- a/third_party/protobuf/3.2.0/java/core/src/main/java/com/google/protobuf/AbstractProtobufList.java
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@@ -1,180 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc. All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package com.google.protobuf;
-
-import com.google.protobuf.Internal.ProtobufList;
-
-import java.util.AbstractList;
-import java.util.Collection;
-import java.util.List;
-import java.util.RandomAccess;
-
-/**
- * An abstract implementation of {@link ProtobufList} which manages mutability semantics. All mutate
- * methods must check if the list is mutable before proceeding. Subclasses must invoke
- * {@link #ensureIsMutable()} manually when overriding those methods.
- * <p>
- * This implementation assumes all subclasses are array based, supporting random access.
- */
-abstract class AbstractProtobufList<E> extends AbstractList<E> implements ProtobufList<E> {
-
- protected static final int DEFAULT_CAPACITY = 10;
-
- /**
- * Whether or not this list is modifiable.
- */
- private boolean isMutable;
-
- /**
- * Constructs a mutable list by default.
- */
- AbstractProtobufList() {
- isMutable = true;
- }
-
- @Override
- public boolean equals(Object o) {
- if (o == this) {
- return true;
- }
- if (!(o instanceof List)) {
- return false;
- }
- // Handle lists that do not support RandomAccess as efficiently as possible by using an iterator
- // based approach in our super class. Otherwise our index based approach will avoid those
- // allocations.
- if (!(o instanceof RandomAccess)) {
- return super.equals(o);
- }
-
- List<?> other = (List<?>) o;
- final int size = size();
- if (size != other.size()) {
- return false;
- }
- for (int i = 0; i < size; i++) {
- if (!get(i).equals(other.get(i))) {
- return false;
- }
- }
- return true;
- }
-
- @Override
- public int hashCode() {
- final int size = size();
- int hashCode = 1;
- for (int i = 0; i < size; i++) {
- hashCode = (31 * hashCode) + get(i).hashCode();
- }
- return hashCode;
- }
-
- @Override
- public boolean add(E e) {
- ensureIsMutable();
- return super.add(e);
- }
-
- @Override
- public void add(int index, E element) {
- ensureIsMutable();
- super.add(index, element);
- }
-
- @Override
- public boolean addAll(Collection<? extends E> c) {
- ensureIsMutable();
- return super.addAll(c);
- }
-
- @Override
- public boolean addAll(int index, Collection<? extends E> c) {
- ensureIsMutable();
- return super.addAll(index, c);
- }
-
- @Override
- public void clear() {
- ensureIsMutable();
- super.clear();
- }
-
- @Override
- public boolean isModifiable() {
- return isMutable;
- }
-
- @Override
- public final void makeImmutable() {
- isMutable = false;
- }
-
- @Override
- public E remove(int index) {
- ensureIsMutable();
- return super.remove(index);
- }
-
- @Override
- public boolean remove(Object o) {
- ensureIsMutable();
- return super.remove(o);
- }
-
- @Override
- public boolean removeAll(Collection<?> c) {
- ensureIsMutable();
- return super.removeAll(c);
- }
-
- @Override
- public boolean retainAll(Collection<?> c) {
- ensureIsMutable();
- return super.retainAll(c);
- }
-
- @Override
- public E set(int index, E element) {
- ensureIsMutable();
- return super.set(index, element);
- }
-
- /**
- * Throws an {@link UnsupportedOperationException} if the list is immutable. Subclasses are
- * responsible for invoking this method on mutate operations.
- */
- protected void ensureIsMutable() {
- if (!isMutable) {
- throw new UnsupportedOperationException();
- }
- }
-}