diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c
index 74baab83fec35..192a2899bae8f 100644
--- a/tools/testing/selftests/memfd/memfd_test.c
+++ b/tools/testing/selftests/memfd/memfd_test.c
@@ -56,7 +56,7 @@ static int mfd_assert_new(const char *name, loff_t sz, unsigned int flags)
 
 static int mfd_assert_reopen_fd(int fd_in)
 {
-	int r, fd;
+	int fd;
 	char path[100];
 
 	sprintf(path, "/proc/self/fd/%d", fd_in);