diff --git a/nmap.h b/nmap.h
index 0ae506d30..62650aaf5 100644
--- a/nmap.h
+++ b/nmap.h
@@ -183,8 +183,6 @@ void *realloc();
 #include <sys/param.h> /* Defines MAXHOSTNAMELEN on BSD*/
 #endif
 
-#include <stdio.h>
-
 #if HAVE_RPC_TYPES_H
 #include <rpc/types.h>
 #endif
diff --git a/nmap_error.h b/nmap_error.h
index 44233a466..a5308460b 100644
--- a/nmap_error.h
+++ b/nmap_error.h
@@ -144,7 +144,6 @@
 #endif
 
 #include <stdarg.h>
-#include <stdio.h>
 
 #if HAVE_UNISTD_H
 #include <unistd.h>
diff --git a/tcpip.h b/tcpip.h
index 239c462d2..c45abf82d 100644
--- a/tcpip.h
+++ b/tcpip.h
@@ -166,8 +166,6 @@ void *realloc();
 #include <sys/param.h> /* Defines MAXHOSTNAMELEN on BSD*/
 #endif
 
-#include <stdio.h>
-
 #if HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
diff --git a/utils.h b/utils.h
index 84d1c2fb8..ad6726e52 100644
--- a/utils.h
+++ b/utils.h
@@ -125,7 +125,6 @@
 #ifndef UTILS_H
 #define UTILS_H
 
-#include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>