diff --git a/collector/patches/epub2+3.0.2.patch b/collector/patches/epub2+3.0.2.patch
deleted file mode 100644
index acfc9a9c..00000000
--- a/collector/patches/epub2+3.0.2.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/node_modules/epub2/lib/epub.js b/node_modules/epub2/lib/epub.js
-index 729208b..8412959 100644
---- a/node_modules/epub2/lib/epub.js
-+++ b/node_modules/epub2/lib/epub.js
-@@ -536,7 +536,7 @@ class EPub extends events_1.EventEmitter {
-                         ? ''
-                         : (branch[i].navLabel && branch[i].navLabel.text || branch[i].navLabel || "").trim();
-                     */
--                    title = (branch[i].navLabel && branch[i].navLabel.text || branch[i].navLabel || "").trim();
-+                    title = String(branch[i].navLabel && branch[i].navLabel.text || branch[i].navLabel || "").trim();
-                 }
-                 var order = Number(branch[i]["@"] && branch[i]["@"].playOrder || 0);
-                 if (isNaN(order)) {