diff --git a/ports/mpfr/portfile.cmake b/ports/mpfr/portfile.cmake
index db32d43b9f..0e82d2623a 100644
--- a/ports/mpfr/portfile.cmake
+++ b/ports/mpfr/portfile.cmake
@@ -10,11 +10,6 @@ vcpkg_extract_source_archive(${ARCHIVE})
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/gmp_printf.c DESTINATION ${SOURCE_PATH}/src)
 
-# Prepend stdint to the mpfr header
-file(READ "${SOURCE_PATH}/src/mpfr.h" _contents)
-string(CONCAT _contents "#include \"stdint.h\"\n" ${_contents})
-file(WRITE "${SOURCE_PATH}/src/mpfr.h" ${_contents})
-
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
 )