diff --git a/tests/subsys/secure_storage/psa/its/sysbuild.conf b/tests/subsys/secure_storage/psa/its/sysbuild.conf
new file mode 100644
index 000000000000..6408669a8474
--- /dev/null
+++ b/tests/subsys/secure_storage/psa/its/sysbuild.conf
@@ -0,0 +1 @@
+SB_CONFIG_PARTITION_MANAGER=n