diff --git a/conf/modules/trigger_ext.xml b/conf/modules/trigger_ext.xml
index 1853f9c1e8..cf14c84356 100644
--- a/conf/modules/trigger_ext.xml
+++ b/conf/modules/trigger_ext.xml
@@ -19,7 +19,6 @@
     <define name="TRIGGER_EXT"/>
     <define name="TRIG_EXT_PULSE_TYPE" value="TRIG_EXT_EDGE_FALLING"/>
     <define name="TURBINE_ID" value="42"/>
-    <define name="GPS_TIMESTAMP"/>
   </makefile>
 </module>
 
diff --git a/conf/modules/windturbine.xml b/conf/modules/windturbine.xml
index ef01ed5bf3..928d21aa41 100644
--- a/conf/modules/windturbine.xml
+++ b/conf/modules/windturbine.xml
@@ -12,7 +12,6 @@
   <makefile>
     <file name="windturbine.c"/>
     <define name="TURBINE_ID" value="42"/>
-    <define name="GPS_TIMESTAMP"/>
   </makefile>
 </module>