diff --git a/testing/ostest/smp_call.c b/testing/ostest/smp_call.c
index 6a992328cf1..74231066f40 100644
--- a/testing/ostest/smp_call.c
+++ b/testing/ostest/smp_call.c
@@ -29,13 +29,14 @@
 
 #include <nuttx/sched.h>
 
+#if defined(CONFIG_SMP) && defined(CONFIG_BUILD_FLAT)
+
 /****************************************************************************
  * Private Data
  ****************************************************************************/
 
 static struct smp_call_data_s g_call_data;
 
-#if defined(CONFIG_SMP) && defined(CONFIG_BUILD_FLAT)
 /****************************************************************************
  * Private Functions
  ****************************************************************************/