diff --git a/doxygen-percent_sign.patch b/doxygen-percent_sign.patch
deleted file mode 100644
index 417ac48..0000000
--- a/doxygen-percent_sign.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff -up doxygen-1.8.11/src/util.cpp.than doxygen-1.8.11/src/util.cpp
---- doxygen-1.8.11/src/util.cpp.than	2016-03-06 11:13:21.831912181 +0100
-+++ doxygen-1.8.11/src/util.cpp	2016-03-06 11:15:20.359280738 +0100
-@@ -6732,6 +6732,9 @@ QCString latexEscapePDFString(const char
-       case '\\': t << "\\textbackslash{}"; break;
-       case '{':  t << "\\{"; break;
-       case '}':  t << "\\}"; break;
-+      case '_': t << "\\_"; break;
-+      case '%':  t << "\\%"; break;
-+      case '&':  t << "\\&"; break;
-       default:
-         t << c;
-         break;