diff --git a/nmap.h b/nmap.h
index fcaef5526..94a81cfc0 100644
--- a/nmap.h
+++ b/nmap.h
@@ -215,7 +215,6 @@ void *realloc();
 #endif
 
 #include <fcntl.h>
-#include <stdarg.h>
 
 #ifdef HAVE_PWD_H
 #include <pwd.h>
diff --git a/output.h b/output.h
index 12636f594..decb1594e 100644
--- a/output.h
+++ b/output.h
@@ -165,6 +165,7 @@
 #include "portlist.h"
 #include <nsock.h>
 
+#include <stdarg.h>
 #include <string>
 
 #ifdef WIN32
diff --git a/utils.h b/utils.h
index 3058c31de..d45d501fb 100644
--- a/utils.h
+++ b/utils.h
@@ -126,7 +126,6 @@
 #define UTILS_H
 
 #include <stdlib.h>
-#include <stdarg.h>
 #include <string.h>
 #include <errno.h>
 #include <ctype.h>