diff --git a/Namcap/rules/__init__.py b/Namcap/rules/__init__.py
index 1e05326..525dbc6 100644
--- a/Namcap/rules/__init__.py
+++ b/Namcap/rules/__init__.py
@@ -31,6 +31,7 @@ from . import (
   fileownership,
   gnomemime,
   hardlinks,
+  hookdepends,
   infodirectory,
   javafiles,
   kdeprograms,
diff --git a/Namcap/rules/hookdepends.py b/Namcap/rules/hookdepends.py
new file mode 100644
index 0000000..dcf03a1
--- /dev/null
+++ b/Namcap/rules/hookdepends.py
@@ -0,0 +1,48 @@
+#
+# namcap rules - hookdepends
+# Copyright (C) 2019 Eli Schwartz <eschwartz@archlinux.org>
+# Copyright (C) 2016 Kyle Keen <keenerd@gmail.com>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software
+#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
+#
+
+import re
+from Namcap.ruleclass import *
+
+class HookDependsRule(TarballRule):
+	name = "hookdepends"
+	description = "Check for redundant hook dependencies"
+	subrules = [
+		{
+			'path': '^usr/share/applications/.*\.desktop$',
+			'dep': 'desktop-file-utils',
+		},
+		{
+			'path': '^usr/share/mime$',
+			'dep': 'shared-mime-info',
+		}
+	]
+	def analyze(self, pkginfo, tar):
+		names = [entry.name for entry in tar]
+		for subrule in self.subrules:
+			pattern = re.compile(subrule['path'])
+			if any(pattern.search(n) for n in names):
+				dep = subrule['dep']
+				if dep in pkginfo['depends']:
+					self.warnings = [('external-hooks-unneeded-warning', ())]
+					self.infos.append(('external-hooks-unneeded-name %s', dep))
+
+
+# vim: set ts=4 sw=4 noet:
diff --git a/namcap-tags b/namcap-tags
index 17b9506..84cc3f7 100644
--- a/namcap-tags
+++ b/namcap-tags
@@ -1,11 +1,11 @@
 # namcap tags file
-# The tags file consists of lines specifying the human readable form of the 
-# hyphenated tags used in the namcap code. A line beginning with a '#' is 
+# The tags file consists of lines specifying the human readable form of the
+# hyphenated tags used in the namcap code. A line beginning with a '#' is
 # treated as a comment. Otherwise the format of the file is:
 #
 #	machine-parseable-tag %s :: This is machine parseable tag %s
 #
-# Note that a double colon (::) is used to separate the hyphenated tag from the 
+# Note that a double colon (::) is used to separate the hyphenated tag from the
 # human readable description.
 
 # rules tags
@@ -26,6 +26,8 @@ empty-directory %s :: Directory (%s) is empty
 error-running-rule %s :: Error running rule '%s'
 external-hooks-name %s :: .INSTALL file runs a command (%s) provided by hooks.
 external-hooks-warning :: .INSTALL file runs a command provided by hooks.
+external-hooks-unneeded-name %s :: unneeded dependency on a package (%s) run when needed by hooks.
+external-hooks-unneeded-warning :: unneeded dependency on a package run when needed by hooks.
 extra-var-begins-without-underscore %s :: Non standard variable '%s' doesn't start with an underscore
 file-in-non-standard-dir %s :: File (%s) exists in a non-standard directory.
 file-in-temporary-dir %s :: File (%s) is in a temporary directory.