diff --git a/src/google/protobuf/compiler/command_line_interface.cc b/src/google/protobuf/compiler/command_line_interface.cc
index 1914fc4820..621d98c59b 100644
--- a/src/google/protobuf/compiler/command_line_interface.cc
+++ b/src/google/protobuf/compiler/command_line_interface.cc
@@ -37,6 +37,12 @@
 
 #include <stdio.h>
 #include <sys/types.h>
+#ifdef major
+#undef major
+#endif
+#ifdef minor
+#undef minor
+#endif
 #include <sys/stat.h>
 #include <fcntl.h>
 #ifdef _MSC_VER
diff --git a/src/google/protobuf/compiler/mock_code_generator.cc b/src/google/protobuf/compiler/mock_code_generator.cc
index e82e6ae160..a4b522cec3 100644
--- a/src/google/protobuf/compiler/mock_code_generator.cc
+++ b/src/google/protobuf/compiler/mock_code_generator.cc
@@ -40,7 +40,6 @@
 #endif
 #include <vector>
 
-#include <google/protobuf/compiler/plugin.pb.h>
 #include <google/protobuf/stubs/logging.h>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/testing/file.h>
@@ -54,6 +53,14 @@
 #include <google/protobuf/stubs/substitute.h>
 #include <gtest/gtest.h>
 
+#ifdef major
+#undef major
+#endif
+#ifdef minor
+#undef minor
+#endif
+#include <google/protobuf/compiler/plugin.pb.h>
+
 namespace google {
 namespace protobuf {
 namespace compiler {