diff --git a/src/basic/fd-util.c b/src/basic/fd-util.c
index fdf6947658..678ab12bb8 100644
--- a/src/basic/fd-util.c
+++ b/src/basic/fd-util.c
@@ -191,12 +191,6 @@ int fd_cloexec(int fd, bool cloexec) {
         return 0;
 }
 
-void stdio_unset_cloexec(void) {
-        (void) fd_cloexec(STDIN_FILENO, false);
-        (void) fd_cloexec(STDOUT_FILENO, false);
-        (void) fd_cloexec(STDERR_FILENO, false);
-}
-
 _pure_ static bool fd_in_set(int fd, const int fdset[], unsigned n_fdset) {
         unsigned i;
 
diff --git a/src/basic/fd-util.h b/src/basic/fd-util.h
index e8d915bfa6..635a538b5a 100644
--- a/src/basic/fd-util.h
+++ b/src/basic/fd-util.h
@@ -71,7 +71,6 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(DIR*, closedir);
 
 int fd_nonblock(int fd, bool nonblock);
 int fd_cloexec(int fd, bool cloexec);
-void stdio_unset_cloexec(void);
 
 int close_all_fds(const int except[], unsigned n_except);