1 files changed, 1 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index e124a3e73bfe..aefdb5661382 100644
--- a/Makefile
+++ b/Makefile
@@ -1647,6 +1647,7 @@ clean: $(clean-dirs)
 		-o -name '*.dwo' -o -name '*.lst' \
 		-o -name '*.su'  \
 		-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
+		-o -name '*.hdrtest.c' \
 		-o -name '*.lex.c' -o -name '*.tab.[ch]' \
 		-o -name '*.asn1.[ch]' \
 		-o -name '*.symtypes' -o -name 'modules.order' \