diff --git a/libutils/FileMap.cpp b/libutils/FileMap.cpp
index 6d92f74..71f00dc 100644
--- a/libutils/FileMap.cpp
+++ b/libutils/FileMap.cpp
@@ -196,7 +196,7 @@
 // Provide guidance to the system.
 int FileMap::advise(MapAdvice advice)
 {
-#if HAVE_MADVISE
+#if !defined(_WIN32)
     int cc, sysAdvice;
 
     switch (advice) {
@@ -216,5 +216,5 @@
     return cc;
 #else
     return -1;
-#endif // HAVE_MADVISE
+#endif
 }