diff --git a/platform/wismote/Makefile.wismote b/platform/wismote/Makefile.wismote
index f469fa27a..c3ead6982 100644
--- a/platform/wismote/Makefile.wismote
+++ b/platform/wismote/Makefile.wismote
@@ -28,8 +28,6 @@ else
 SMALL=1
 endif
 
-CFLAGS += -D__MSP430X__
-
 CONTIKI_TARGET_SOURCEFILES += $(ARCH) $(UIPDRIVERS)
 
 MCU=msp430x5437
diff --git a/platform/wismote/dev/sht15.c b/platform/wismote/dev/sht15.c
index 6fa90a7e8..0d9467e02 100644
--- a/platform/wismote/dev/sht15.c
+++ b/platform/wismote/dev/sht15.c
@@ -46,7 +46,7 @@
 * @return      none
 */
 
-#pragma optimize=none
+/* #pragma optimize=none */
 void halMcuWaitUs(uint16_t usec) // 5 cycles for calling
 {
     // The least we can wait is 3 usec: