diff --git a/slsDetectorSoftware/commonFiles/sls_detector_defs.h b/slsDetectorSoftware/commonFiles/sls_detector_defs.h
index dd979f220..c8f947bf7 100755
--- a/slsDetectorSoftware/commonFiles/sls_detector_defs.h
+++ b/slsDetectorSoftware/commonFiles/sls_detector_defs.h
@@ -283,11 +283,9 @@ enum externalCommunicationMode{
   GET_EXTERNAL_COMMUNICATION_MODE=-1,/**<return flag for communication mode */
   AUTO_TIMING, /**< internal timing */
   TRIGGER_EXPOSURE, /**< trigger mode i.e. exposure is triggered */
-  TRIGGER_FRAME, /**< each trigger triggers one frame at a time */
   TRIGGER_READOUT, /**< stop trigger mode i.e. readout is triggered by external signal */
   GATE_FIX_NUMBER, /**< gated and reads out after a fixed number of gates */
-  GATE_WITH_START_TRIGGER, /**< gated with start trigger */
-  TRIGGER_WINDOW /**< exposure time coincides with the external signal */
+  GATE_WITH_START_TRIGGER /**< gated with start trigger */
 };
 /** 
     detector IDs/versions
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorBase.h b/slsDetectorSoftware/slsDetector/slsDetectorBase.h
index bd5060f52..25f48cf9c 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorBase.h
+++ b/slsDetectorSoftware/slsDetector/slsDetectorBase.h
@@ -644,11 +644,9 @@ class slsDetectorBase :  public virtual slsDetectorDefs, public virtual errorDef
     switch(f) {						 \
     case AUTO_TIMING:      return string( "auto");			\
     case TRIGGER_EXPOSURE: return string("trigger");			\
-    case TRIGGER_FRAME: return string("trigger_frame");			\
     case TRIGGER_READOUT: return string("ro_trigger");			\
     case GATE_FIX_NUMBER: return string("gating");			\
     case GATE_WITH_START_TRIGGER: return string("triggered_gating");	\
-    case TRIGGER_WINDOW: return string("trigger_window");	\
     default:    return string( "unknown");				\
     }    };
   
@@ -663,11 +661,9 @@ class slsDetectorBase :  public virtual slsDetectorDefs, public virtual errorDef
   static externalCommunicationMode externalCommunicationType(string sval){\
     if (sval=="auto")      return AUTO_TIMING;\
     if (sval=="trigger")     return TRIGGER_EXPOSURE;	\
-    if (sval=="trigger_frame")     return TRIGGER_FRAME;	\
     if  (sval=="ro_trigger") return TRIGGER_READOUT;\
     if  (sval=="gating") return GATE_FIX_NUMBER;\
     if  (sval=="triggered_gating") return GATE_WITH_START_TRIGGER;\
-    if (sval=="trigger_window")     return TRIGGER_WINDOW;	\
     return GET_EXTERNAL_COMMUNICATION_MODE;			\
   };