diff --git a/Makefile b/Makefile
index fea237bc80..42b7d60e19 100644
--- a/Makefile
+++ b/Makefile
@@ -1827,7 +1827,7 @@ distclean: clean
 	$(RM) configure
 
 clean:
-	$(RM) *.o mozilla-sha1/*.o arm/*.o ppc/*.o compat/*.o compat/*/*.o xdiff/*.o \
+	$(RM) *.o block-sha1/*.o arm/*.o ppc/*.o compat/*.o compat/*/*.o xdiff/*.o \
 		$(LIB_FILE) $(XDIFF_LIB)
 	$(RM) $(ALL_PROGRAMS) $(BUILT_INS) git$X
 	$(RM) $(TEST_PROGRAMS)