diff --git a/compat/vcbuild/include/sys/poll.h b/compat/vcbuild/include/sys/poll.h
deleted file mode 100644
index 0d8552a2c..000000000
--- a/compat/vcbuild/include/sys/poll.h
+++ /dev/null
@@ -1 +0,0 @@
-/* Intentionally empty file to support building git with MSVC */
diff --git a/git-compat-util.h b/git-compat-util.h
index b7eaaa99a..490afb6af 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -86,6 +86,9 @@
 #define _SGI_SOURCE 1
 
 #ifdef WIN32 /* Both MinGW and MSVC */
+# if defined (_MSC_VER)
+#  define _WIN32_WINNT 0x0502
+# endif
 #define WIN32_LEAN_AND_MEAN  /* stops windows.h including winsock.h */
 #include <winsock2.h>
 #include <windows.h>