diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 18faac39e0d..7fb31d47127 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2013-06-19  Luis Machado  <lgustavo@codesourcery.com>
+
+	* gdb.base/subst.exp: Delete default rules before further
+	tests.
+
 2013-06-19  Yao Qi  <yao@codesourcery.com>
 
 	* gdb.base/maint.exp: Make the test to command 'maint dump-me'
diff --git a/gdb/testsuite/gdb.base/subst.exp b/gdb/testsuite/gdb.base/subst.exp
index e3395570dca..50f6620dcf6 100644
--- a/gdb/testsuite/gdb.base/subst.exp
+++ b/gdb/testsuite/gdb.base/subst.exp
@@ -23,6 +23,12 @@ gdb_reinitialize_dir $srcdir/$subdir
 gdb_test_no_output "set confirm off" \
          "deactivate GDB's confirmation interface"
 
+# Clear any substitution rules that are available by default due
+# to GDB being configured with --with-relocated-sources.
+
+gdb_test_no_output "unset substitute-path" \
+         "remove default substitution rules"
+
 gdb_test "show substitute-path" \
          "List of all source path substitution rules:" \
          "show substitute-path, no rule entered yet"