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diff --git a/third_party/aom/test/log2_test.cc b/third_party/aom/test/log2_test.cc
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--- a/third_party/aom/test/log2_test.cc
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-/*
- * Copyright (c) 2018, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include <math.h>
-
-#include "aom_ports/bitops.h"
-#include "av1/common/entropymode.h"
-#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
-
-TEST(Log2Test, GetMsb) {
- // Test small numbers exhaustively.
- for (unsigned int n = 1; n < 10000; n++) {
- EXPECT_EQ(get_msb(n), static_cast<int>(floor(log2(n))));
- }
-
- // Test every power of 2 and the two adjacent numbers.
- for (int exponent = 2; exponent < 32; exponent++) {
- const unsigned int power_of_2 = 1U << exponent;
- EXPECT_EQ(get_msb(power_of_2 - 1), exponent - 1);
- EXPECT_EQ(get_msb(power_of_2), exponent);
- EXPECT_EQ(get_msb(power_of_2 + 1), exponent);
- }
-}
-
-TEST(Log2Test, Av1CeilLog2) {
- // Test small numbers exhaustively.
- EXPECT_EQ(av1_ceil_log2(0), 0);
- for (int n = 1; n < 10000; n++) {
- EXPECT_EQ(av1_ceil_log2(n), static_cast<int>(ceil(log2(n))));
- }
-
- // Test every power of 2 and the two adjacent numbers.
- for (int exponent = 2; exponent < 31; exponent++) {
- const int power_of_2 = 1 << exponent;
- EXPECT_EQ(av1_ceil_log2(power_of_2 - 1), exponent);
- EXPECT_EQ(av1_ceil_log2(power_of_2), exponent);
- // The current implementation of av1_ceil_log2 only works up to 2^30.
- if (exponent < 30) {
- EXPECT_EQ(av1_ceil_log2(power_of_2 + 1), exponent + 1);
- }
- }
-}