diff --git a/debian/patches/include_limits_h.patch b/debian/patches/include_limits_h.patch
deleted file mode 100644
index 700799a..0000000
--- a/debian/patches/include_limits_h.patch
+++ /dev/null
@@ -1,11 +0,0 @@
-diff -urN knockd-0.5/src/knockd.c knockd-0.5.new/src/knockd.c
---- knockd-0.5/src/knockd.c	2005-06-27 07:11:34.000000000 +0200
-+++ knockd-0.5.new/src/knockd.c	2009-03-10 00:24:25.000000000 +0100
-@@ -26,6 +26,7 @@
- #include <signal.h>
- #include <time.h>
- #include <ctype.h>
-+#include <limits.h>
- #include <string.h>
- #include <fcntl.h>
- #include <netinet/in.h>