diff --git a/plugins/Xpressive/exprtk.hpp.patch b/plugins/Xpressive/exprtk.hpp.patch
deleted file mode 100644
index 21dc89db8..000000000
--- a/plugins/Xpressive/exprtk.hpp.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/exprtk.hpp b/exprtk.hpp
-index 916e74b..ae7de24 100644
---- a/exprtk.hpp
-+++ b/exprtk.hpp
-@@ -1962,7 +1962,7 @@ namespace exprtk
-       template <typename T>
-       inline bool string_to_real(const std::string& s, T& t)
-       {
--         const typename numeric::details::number_type<T>::type num_type;
-+         typename numeric::details::number_type<T>::type num_type;
- 
-          const char_t* begin = s.data();
-          const char_t* end   = s.data() + s.size();