diff --git a/src/header/_fenv/cbindgen.toml b/src/header/_fenv/cbindgen.toml
index e8ca9b12ad..6b94e4d28e 100644
--- a/src/header/_fenv/cbindgen.toml
+++ b/src/header/_fenv/cbindgen.toml
@@ -1,4 +1,4 @@
-sys_includes = ["stdint.h", "sys/types.h"]
+sys_includes = ["stdint.h"]
 include_guard = "_RELIBC_FENV_H"
 language = "C"
 style = "Tag"