diff --git a/adb/adb_utils_test.cpp b/adb/adb_utils_test.cpp
index 34b54e7..17c8d0a 100644
--- a/adb/adb_utils_test.cpp
+++ b/adb/adb_utils_test.cpp
@@ -48,7 +48,7 @@
   DWORD cch = arraysize(profiles_dir);
 
   // On typical Windows 7, returns C:\Users
-  ASSERT_TRUE(GetProfilesDirectory(profiles_dir, &cch));
+  ASSERT_TRUE(GetProfilesDirectoryA(profiles_dir, &cch));
 
   ASSERT_TRUE(directory_exists(profiles_dir));
 
diff --git a/base/file_test.cpp b/base/file_test.cpp
index 2158421..77b9268 100644
--- a/base/file_test.cpp
+++ b/base/file_test.cpp
@@ -78,38 +78,21 @@
   EXPECT_EQ("abc", s);
 }
 
-TEST(file, ReadFully) {
-#ifdef _WIN32
-  VersionFile ver;
-  ASSERT_NE(ver.filename, nullptr);
-  const char* filename = ver.filename;
-  // Note that ReadFully() does CR/LF translation, so we expect \n, not \r\n.
-  const char expected[] = "\nMicrosoft Windows";
-#else
-  const char* filename = "/proc/version";
-  const char expected[] = "Linux";
-#endif
-  int fd = open(filename, O_RDONLY);
-  ASSERT_NE(-1, fd) << strerror(errno);
-
-  char buf[1024];
-  memset(buf, 0, sizeof(buf));
-  ASSERT_TRUE(android::base::ReadFully(fd, buf, sizeof(expected) - 1));
-  ASSERT_STREQ(expected, buf);
-
-  ASSERT_EQ(0, lseek(fd, 0, SEEK_SET)) << strerror(errno);
-
-  ASSERT_FALSE(android::base::ReadFully(fd, buf, sizeof(buf)));
-
-  close(fd);
-}
-
 TEST(file, WriteFully) {
   TemporaryFile tf;
   ASSERT_TRUE(tf.fd != -1);
   ASSERT_TRUE(android::base::WriteFully(tf.fd, "abc", 3));
+
+  ASSERT_EQ(0, lseek(tf.fd, 0, SEEK_SET)) << strerror(errno);
+
   std::string s;
-  ASSERT_TRUE(android::base::ReadFileToString(tf.path, &s))
+  s.resize(3);
+  ASSERT_TRUE(android::base::ReadFully(tf.fd, &s[0], s.size()))
     << strerror(errno);
   EXPECT_EQ("abc", s);
+
+  ASSERT_EQ(0, lseek(tf.fd, 0, SEEK_SET)) << strerror(errno);
+
+  s.resize(1024);
+  ASSERT_FALSE(android::base::ReadFully(tf.fd, &s[0], s.size()));
 }