diff --git a/testhal/ATSAMA5D2/CRYPTO/.project b/testhal/ATSAMA5D2/CRYPTO/.project
index a91ef1674..e20edfd7d 100644
--- a/testhal/ATSAMA5D2/CRYPTO/.project
+++ b/testhal/ATSAMA5D2/CRYPTO/.project
@@ -92,10 +92,4 @@
 			<locationURI>CHIBIOS/os</locationURI>
 		</link>
 	</linkedResources>
-	<variableList>
-		<variable>
-			<name>CHIBIOS</name>
-			<value>file:/C:/ChibiStudio/chibios_trunk</value>
-		</variable>
-	</variableList>
 </projectDescription>
diff --git a/testhal/ATSAMA5D2/CRYPTO/chconf.h b/testhal/ATSAMA5D2/CRYPTO/chconf.h
index 0c9477e7a..a8150cd31 100644
--- a/testhal/ATSAMA5D2/CRYPTO/chconf.h
+++ b/testhal/ATSAMA5D2/CRYPTO/chconf.h
@@ -49,7 +49,8 @@
  * @details Frequency of the system timer that drives the system ticks. This
  *          setting also defines the system tick time unit.
  */
-#define CH_CFG_ST_FREQUENCY                 1000
+#define CH_CFG_ST_FREQUENCY                 1000              /* periodic tick. */
+//#define CH_CFG_ST_FREQUENCY                 (83000000 / 32) /* tick-less. */
 
 /**
  * @brief   Time intervals data size.