diff --git a/base/Android.bp b/base/Android.bp
index 7ff02a0..ad0edf4 100644
--- a/base/Android.bp
+++ b/base/Android.bp
@@ -129,6 +129,7 @@
         },
         windows: {
             srcs: ["utf8_test.cpp"],
+            cflags: ["-Wno-unused-parameter"],
             enabled: true,
         },
     },
diff --git a/base/logging_test.cpp b/base/logging_test.cpp
index adb041b..6f05d9b 100644
--- a/base/logging_test.cpp
+++ b/base/logging_test.cpp
@@ -192,6 +192,7 @@
 #undef CHECK_WOULD_LOG_ENABLED
 
 
+#if !defined(_WIN32)
 static std::string make_log_pattern(android::base::LogSeverity severity,
                                     const char* message) {
   static const char log_characters[] = "VDIWEFF";
@@ -203,6 +204,7 @@
       "%c \\d+-\\d+ \\d+:\\d+:\\d+ \\s*\\d+ \\s*\\d+ %s:\\d+] %s",
       log_char, basename(&holder[0]), message);
 }
+#endif
 
 static void CheckMessage(const CapturedStderr& cap,
                          android::base::LogSeverity severity, const char* expected) {
diff --git a/base/utf8.cpp b/base/utf8.cpp
index 5984fb0..adb46d0 100644
--- a/base/utf8.cpp
+++ b/base/utf8.cpp
@@ -195,7 +195,7 @@
   return _wfopen(name_utf16.c_str(), mode_utf16.c_str());
 }
 
-int mkdir(const char* name, mode_t mode) {
+int mkdir(const char* name, mode_t) {
   std::wstring name_utf16;
   if (!UTF8PathToWindowsLongPath(name, &name_utf16)) {
     return -1;