diff --git a/debian/patches/01_check_apt_return_unknown.dpatch b/debian/patches/01_check_apt_return_unknown.dpatch
deleted file mode 100644
index 0661812..0000000
--- a/debian/patches/01_check_apt_return_unknown.dpatch
+++ /dev/null
@@ -1,17 +0,0 @@
-#! /bin/sh /usr/share/dpatch/dpatch-run
-## 01_check_apt_return_unknown.dpatch by Jan Wagner <waja@cyconet.org>
-##
-## DP: Return UNKNOWN, if we don't know what happens (#498812)
-
-@DPATCH@
---- nagios-plugins-1.4.14~/plugins/check_apt.c	2009-10-16 00:20:03.000000000 +0200
-+++ nagios-plugins-1.4.14/plugins/check_apt.c	2009-10-16 00:20:38.000000000 +0200
-@@ -291,7 +291,7 @@
- 	/* If we get anything on stderr, at least set warning */
- 	if(chld_err.buflen){
- 		stderr_warning=1;
--		result = max_state(result, STATE_WARNING);
-+		result = max_state_alt(result, STATE_UNKNOWN);
- 		if(verbose){
- 			for(i = 0; i < chld_err.lines; i++) {
- 				fprintf(stderr, "%s\n", chld_err.line[i]);