diff --git a/gdb/testsuite/config/.Sanitize b/gdb/testsuite/config/.Sanitize
index 54598443c6..60dfb0edde 100644
--- a/gdb/testsuite/config/.Sanitize
+++ b/gdb/testsuite/config/.Sanitize
@@ -23,6 +23,8 @@ Do-first:
 
 Things-to-keep:
 
+config.rel.in
+makefile.rel.in
 mips-gdb.exp
 nind-gdb.exp
 udi-gdb.exp