diff --git a/testsuites/samples/pppd/init.c b/testsuites/samples/pppd/init.c
index 21da3f5199..a11f07b0e2 100644
--- a/testsuites/samples/pppd/init.c
+++ b/testsuites/samples/pppd/init.c
@@ -14,7 +14,6 @@
 #include <rtems/rtems_bsdnet.h>
 #include <rtems/rtemspppd.h>
 #include "netconfig.h"
-extern int pppdapp_initialize(void);
 #endif
 
 rtems_task Init(rtems_task_argument argument)
diff --git a/testsuites/samples/pppd/system.h b/testsuites/samples/pppd/system.h
index cbd15e8373..2a931e4549 100644
--- a/testsuites/samples/pppd/system.h
+++ b/testsuites/samples/pppd/system.h
@@ -8,6 +8,7 @@
 
 /* functions */
 extern rtems_task Init(rtems_task_argument argument);
+extern int pppdapp_initialize(void);
 
 #include <bsp.h>