diff --git a/gdb/copyright.py b/gdb/copyright.py
index 3c44ae2d689..8ae9ffff65b 100644
--- a/gdb/copyright.py
+++ b/gdb/copyright.py
@@ -209,6 +209,7 @@ def main():
 EXCLUDE_LIST = (
     "gdb/nat/glibc_thread_db.h",
     "gdb/CONTRIBUTE",
+    "gdbsupport/Makefile.in",
     "gnulib/import",
     "gnulib/config.in",
     "gnulib/Makefile.in",