diff --git a/Ports/flatbuffers/patches/flatbuffers-1.12.0.patch b/Ports/flatbuffers/patches/flatbuffers-1.12.0.patch
deleted file mode 100644
index 0169fd1975..0000000000
--- a/Ports/flatbuffers/patches/flatbuffers-1.12.0.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-diff -ruN flatbuffers-1.12.0/src/code_generators.cpp flatbuffers-1.12.0-serenity/src/code_generators.cpp
---- flatbuffers-1.12.0/src/code_generators.cpp	2020-03-12 19:33:39.000000000 -0300
-+++ flatbuffers-1.12.0-serenity/src/code_generators.cpp	2021-03-31 20:39:12.000000000 -0300
-@@ -23,6 +23,17 @@
- #include "flatbuffers/base.h"
- #include "flatbuffers/util.h"
- 
-+#if defined(__serenity__)
-+  // We do not have those functions inside std namespace...
-+
-+namespace std {
-+  auto isnan(double x) { return ::isnan(x); }
-+  auto isinf(double x) { return ::isinf(x); }
-+}
-+
-+#endif
-+
-+
- #if defined(_MSC_VER)
- #  pragma warning(push)
- #  pragma warning(disable : 4127)  // C4127: conditional expression is constant