diff --git a/composer.json b/composer.json
index 663abc1b7f..2f275f840b 100644
--- a/composer.json
+++ b/composer.json
@@ -86,7 +86,6 @@
 		"egroupware/z-push-dev": "self.version",
 		"egroupware/activesync": "self.version",
 		"egroupware/adodb-php": "self.version",
-		"pear-pear.horde.org/horde_text_diff": "^2.2",
 		"bower-asset/diff2html": "^2.7"
 	},
 	"require-dev": {