diff --git a/site_ansto/anstohttp.c b/site_ansto/anstohttp.c
index 00cf993f..e53b3a0a 100644
--- a/site_ansto/anstohttp.c
+++ b/site_ansto/anstohttp.c
@@ -26,7 +26,6 @@
 #include <HistMem.i>
 
 extern char *trim(char *);
-extern pICallBack statemon_cbinterface; 
 int ANSTO_HTTP_PAUSE = 0;
 int AnstoHttpPause(pHistDriver self,SConnection *pCon);
 /*===================================================================
@@ -460,14 +459,12 @@ static int AnstoHttpStatus_Base(pHistDriver self,SConnection *pCon,int *pextrast
     pInternal = (pAnstoHttp) self->pPriv;
     if(strstr(daqStatus,"Started") != NULL){
       if (last_known_status != HWBusy)
-        InvokeCallBack(statemon_cbinterface, STSTART, devName);
     	if (pextrastatus) *pextrastatus=ANSTO_HS_STATUS_STARTED;
         return last_known_status=HWBusy;
     } else  if(strstr(daqStatus,"Paused") != NULL){
     	if (pextrastatus) *pextrastatus=ANSTO_HS_STATUS_PAUSED;
         return last_known_status=HWIdle;
     } else  if(strstr(daqStatus,"Stopped") != NULL){
-      InvokeCallBack(statemon_cbinterface, STEND, devName);
     	if (pextrastatus) *pextrastatus=ANSTO_HS_STATUS_STOPPED;
         return last_known_status=HWIdle;
     //
@@ -616,7 +613,6 @@ static int AnstoHttpVeto(pHistDriver self,SConnection *pCon)
     pPriv->pause = 1;
     
     AnstoHttpStatusWithRetries(self,ANSTO_HS_STATUS_PAUSED,pCon);
-    InvokeCallBack(statemon_cbinterface, STPAUSE, devName);
     
     return OKOK;
 }
@@ -634,7 +630,6 @@ static int AnstoHttpNoVeto(pHistDriver self,SConnection *pCon)
     }
     pPriv->pause = 0;
     AnstoHttpStatusWithRetries(self,ANSTO_HS_STATUS_STARTED,pCon);
-    InvokeCallBack(statemon_cbinterface, STCONTINUE, devName);
     return OKOK;
 }
 int AnstoHttpPause(pHistDriver self,SConnection *pCon){