diff --git a/base/files/file_util.cc b/base/files/file_util.cc
index befe72534653..7ba55fe4f69f 100644
--- a/base/files/file_util.cc
+++ b/base/files/file_util.cc
@@ -94,7 +94,7 @@ bool ContentsEqual(const FilePath& filename1, const FilePath& filename2) {
     file2.read(buffer2, BUFFER_SIZE);
 
     if ((file1.eof() != file2.eof()) || (file1.gcount() != file2.gcount()) ||
-        (SbMemoryCompare(buffer1, buffer2,
+        (memcmp(buffer1, buffer2,
                          static_cast<size_t>(file1.gcount())))) {
       file1.close();
       file2.close();
diff --git a/base/memory/shared_memory_region_unittest.cc b/base/memory/shared_memory_region_unittest.cc
index 1098360578b6..d68177e604d3 100644
--- a/base/memory/shared_memory_region_unittest.cc
+++ b/base/memory/shared_memory_region_unittest.cc
@@ -133,7 +133,7 @@ TYPED_TEST(SharedMemoryRegionTest, SerializeAndDeserialize) {
 
   // Verify that the second mapping reflects changes in the first.
   memset(this->rw_mapping_.memory(), '#', kRegionSize);
-  EXPECT_EQ(SbMemoryCompare(this->rw_mapping_.memory(), mapping.memory(),
+  EXPECT_EQ(memcmp(this->rw_mapping_.memory(), mapping.memory(),
                             kRegionSize),
             0);
 }