diff --git a/tools/export/iar/ewp.tmpl b/tools/export/iar/ewp.tmpl
index 0ffabd7a52..b69f6f694b 100644
--- a/tools/export/iar/ewp.tmpl
+++ b/tools/export/iar/ewp.tmpl
@@ -171,14 +171,7 @@
 				</option>
 				<option>
 					<name>CCDefines</name>
-					<state>TARGET_K64F</state>
-					<state>TARGET_M4</state>
-					<state>TARGET_Freescale</state>
-					<state>__CORTEX_M4</state>
-					<state>ARM_MATH_CM4</state>
-					<state>__MBED__=1</state>
-					<state>CPU_MK64FN1M0VMD12</state>
-					<state>FSL_RTOS_MBED</state>
+					<state></state>
 				</option>
 				<option>
 					<name>CCPreprocFile</name>