diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
index 64cfcc75e3c10..f2ee1e889e135 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
@@ -1,6 +1,7 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 # description: ftrace - function pid filters
+# flags: instance
 
 # Make sure that function pid matching filter works.
 # Also test it on an instance directory
@@ -96,13 +97,6 @@ do_test() {
 }
 
 do_test
-
-mkdir instances/foo
-cd instances/foo
-do_test
-cd ../../
-rmdir instances/foo
-
 do_reset
 
 exit 0