diff --git a/conf/modules/gsm.xml b/conf/modules/gsm.xml
index 263ff38bd8..536867f43d 100644
--- a/conf/modules/gsm.xml
+++ b/conf/modules/gsm.xml
@@ -5,7 +5,6 @@
     <file name="gsm.h"/>
   </header>
   <init fun="gsm_init()"/>
-  <periodic fun="gsm_periodic_1Hz()" period="1." start="gsm_start()" stop="gsm_stop()"/>
   <periodic fun="gsm_send_report()" period="60."/>
   <event fun="gsm_event()"/>
   <makefile>