diff --git a/thirdparty/fix_s2_build_with_cxx17.patch b/thirdparty/fix_s2_build_with_cxx17.patch
deleted file mode 100644
index 5c9df13de0..0000000000
--- a/thirdparty/fix_s2_build_with_cxx17.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 24cbe13..312af3a 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -13,7 +13,7 @@ if (APPLE)
-     set(CMAKE_MACOSX_RPATH TRUE)
- endif()
- 
--set(CMAKE_CXX_STANDARD 11)
-+set(CMAKE_CXX_STANDARD 17)
- set(CMAKE_CXX_STANDARD_REQUIRED ON)
- # No compiler-specific extensions, i.e. -std=c++11, not -std=gnu++11.
- set(CMAKE_CXX_EXTENSIONS OFF)