diff --git a/DeviceAdapters/ABS/ABSCamera.cpp b/DeviceAdapters/ABS/ABSCamera.cpp
index ed6d26fb8..93a16c3f2 100644
--- a/DeviceAdapters/ABS/ABSCamera.cpp
+++ b/DeviceAdapters/ABS/ABSCamera.cpp
@@ -187,7 +187,6 @@ binSize_(1),
 cameraCCDXSize_(512),
 cameraCCDYSize_(512),
 nComponents_(1),
-triggerDevice_(""),
 dropPixels_(false),
 saturatePixels_(false),
 fractionOfPixelsToDropOrSaturate_(0.002)
@@ -1315,17 +1314,6 @@ int CABSCamera::ThreadRun (void)
     }
   }
 
-  // Trigger
-  if (triggerDevice_.length() > 0) {
-    MM::Device* triggerDev = GetDevice(triggerDevice_.c_str());
-    if (triggerDev != 0) {
-      //char label[256];
-      //triggerDev->GetLabel(label);
-      LogMessage("trigger requested");
-      triggerDev->SetProperty("Trigger","+");
-    }
-  }
-
   if (abortGetImageFired_)
     return ret;
 
@@ -2959,19 +2947,6 @@ int CABSCamera::OnTemperature(MM::PropertyBase* pProp, MM::ActionType eAct)
   return DEVICE_OK;
 }
 
-int CABSCamera::OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct)
-{
-  if (eAct == MM::BeforeGet)
-  {
-    pProp->Set(triggerDevice_.c_str());
-  }
-  else if (eAct == MM::AfterSet)
-  {
-    pProp->Get(triggerDevice_);
-  }
-  return DEVICE_OK;
-}
-
 
 ///////////////////////////////////////////////////////////////////////////////
 // Private CABSCamera methods
diff --git a/DeviceAdapters/ABS/ABSCamera.h b/DeviceAdapters/ABS/ABSCamera.h
index ff4ab5a79..d420e32cf 100644
--- a/DeviceAdapters/ABS/ABSCamera.h
+++ b/DeviceAdapters/ABS/ABSCamera.h
@@ -165,7 +165,6 @@ friend class  CABSCameraSequenceThread;
   int   OnBayerDemosaic   (MM::PropertyBase* pProp, MM::ActionType eAct);
   int   OnStdResolution   (MM::PropertyBase* pProp, MM::ActionType eAct);
   int   OnErrorSimulation (MM::PropertyBase* , MM::ActionType );
-  int   OnTriggerDevice   (MM::PropertyBase* pProp, MM::ActionType eAct);
   int   OnSaturatePixels  (MM::PropertyBase* pProp, MM::ActionType eAct);
   // io-ports
   int   OnTriggerInport   (MM::PropertyBase* pProp, MM::ActionType eAct);
@@ -302,7 +301,6 @@ friend class  CABSCameraSequenceThread;
   long          binSize_;
   long          cameraCCDXSize_;
   long          cameraCCDYSize_;
-  std::string   triggerDevice_;
 
   bool          dropPixels_;
   bool          saturatePixels_;
diff --git a/DeviceAdapters/AmScope/AmScope.cpp b/DeviceAdapters/AmScope/AmScope.cpp
index 62f32b0f1..812abc7cd 100644
--- a/DeviceAdapters/AmScope/AmScope.cpp
+++ b/DeviceAdapters/AmScope/AmScope.cpp
@@ -805,17 +805,6 @@ int AmScope::RunSequenceOnThread(MM::MMTime startTime)
 {
    int ret=DEVICE_ERR;
    
-   // Trigger
-   if (triggerDevice_.length() > 0)
-   {
-      MM::Device* triggerDev = GetDevice(triggerDevice_.c_str());
-      if (triggerDev != 0)
-	  {
-      	LogMessage("trigger requested");
-      	triggerDev->SetProperty("Trigger","+");
-      }
-   }
-
    //double exposure = GetSequenceExposure();
 
    if (!fastImage_)
diff --git a/DeviceAdapters/AmScope/AmScope.h b/DeviceAdapters/AmScope/AmScope.h
index 319a3e8dc..a23555357 100644
--- a/DeviceAdapters/AmScope/AmScope.h
+++ b/DeviceAdapters/AmScope/AmScope.h
@@ -131,7 +131,6 @@ class AmScope : public CLegacyCameraBase<AmScope>
    bool sequenceRunning_;
    long imageCounter_;
    MMThreadLock imgPixelsLock_;
-   std::string triggerDevice_;
    std::string flipHorizontal_;
    std::string flipVertical_;
    bool fastImage_;
diff --git a/DeviceAdapters/IDS_uEye/IDS_uEye.cpp b/DeviceAdapters/IDS_uEye/IDS_uEye.cpp
index 777f140f2..b87a84151 100644
--- a/DeviceAdapters/IDS_uEye/IDS_uEye.cpp
+++ b/DeviceAdapters/IDS_uEye/IDS_uEye.cpp
@@ -151,7 +151,6 @@ CIDS_uEye::CIDS_uEye() :
    ccdT_ (0.0),
    nComponents_(1),
    pDemoResourceLock_(0),
-   triggerDevice_(""),
    dropPixels_(false),
    fractionOfPixelsToDropOrSaturate_(0.002)
 {
@@ -533,10 +532,6 @@ int CIDS_uEye::Initialize()
       return nRet;
 
 
-   // Trigger device
-   pAct = new CPropertyAction (this, &CIDS_uEye::OnTriggerDevice);
-   CreateProperty("TriggerDevice","", MM::String, false, pAct);
-
    pAct = new CPropertyAction (this, &CIDS_uEye::OnDropPixels);
    CreateProperty("DropPixels", "0", MM::Integer, false, pAct);
    AddAllowedValue("DropPixels", "0");
@@ -1352,15 +1347,6 @@ int CIDS_uEye::ThreadRun (void)
   
    int ret=DEVICE_ERR;
    
-   // Trigger
-   if (triggerDevice_.length() > 0) {
-      MM::Device* triggerDev = GetDevice(triggerDevice_.c_str());
-      if (triggerDev != 0) {
-      	LogMessage("trigger requested");
-      	triggerDev->SetProperty("Trigger","+");
-      }
-   }
-   
    ret = SnapImage();
    if (ret != DEVICE_OK)
    {
@@ -2111,21 +2097,6 @@ int CIDS_uEye::OnTrigger(MM::PropertyBase* pProp, MM::ActionType eAct)
 }
 
 
-int CIDS_uEye::OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct)
-{
-  
-   if (eAct == MM::BeforeGet)
-   {
-      pProp->Set(triggerDevice_.c_str());
-   }
-   else if (eAct == MM::AfterSet)
-   {
-      pProp->Get(triggerDevice_);
-   }
-   return DEVICE_OK;
-}
-
-
 /**
 * Handles "FlashMode" property.
 * The "freerunning" mode can currently not be used: The camera only snaps
diff --git a/DeviceAdapters/IDS_uEye/IDS_uEye.h b/DeviceAdapters/IDS_uEye/IDS_uEye.h
index 7899251e1..52000b7ac 100644
--- a/DeviceAdapters/IDS_uEye/IDS_uEye.h
+++ b/DeviceAdapters/IDS_uEye/IDS_uEye.h
@@ -294,7 +294,6 @@ class CIDS_uEye : public CCameraBase<CIDS_uEye>
   int OnCameraCCDXSize(MM::PropertyBase* , MM::ActionType );
   int OnCameraCCDYSize(MM::PropertyBase* , MM::ActionType );
   int OnTrigger(MM::PropertyBase* pProp, MM::ActionType eAct);
-  int OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct);
   int OnDropPixels(MM::PropertyBase* pProp, MM::ActionType eAct);
   int OnFractionOfPixelsToDropOrSaturate(MM::PropertyBase* pProp, MM::ActionType eAct);
   int OnGainMaster(MM::PropertyBase* pProp, MM::ActionType eAct);
@@ -332,7 +331,6 @@ class CIDS_uEye : public CCameraBase<CIDS_uEye>
   MM::MMTime sequenceStartTime_;
   long imageCounter_;
   double ccdT_;
-  std::string triggerDevice_;
 
   UINT pixelClkMin_;                                            //minimal pixel clock (MHz)
   UINT pixelClkMax_;                                            //maximal pixel clock (MHz)
diff --git a/DeviceAdapters/Mightex_C_Cam/Mightex_USBCamera.cpp b/DeviceAdapters/Mightex_C_Cam/Mightex_USBCamera.cpp
index 486e6b6bf..f1f9bc49d 100755
--- a/DeviceAdapters/Mightex_C_Cam/Mightex_USBCamera.cpp
+++ b/DeviceAdapters/Mightex_C_Cam/Mightex_USBCamera.cpp
@@ -628,7 +628,6 @@ CMightex_BUF_USBCCDCamera::CMightex_BUF_USBCCDCamera() :
 	cameraCCDXSize_(DEFAULT_WIDTH),
 	cameraCCDYSize_(DEFAULT_HEIGHT),
    ccdT_ (0.0),
-   triggerDevice_(""),
    stopOnOverflow_(false),
 	dropPixels_(false),
    fastImage_(false),
@@ -949,10 +948,6 @@ int CMightex_BUF_USBCCDCamera::Initialize()
    pAct = new CPropertyAction (this, &CMightex_BUF_USBCCDCamera::OnCameraCCDYSize);
    CreateIntegerProperty("OnCameraCCDYSize", 512, false, pAct);
 
-   // Trigger device
-   pAct = new CPropertyAction (this, &CMightex_BUF_USBCCDCamera::OnTriggerDevice);
-   CreateStringProperty("TriggerDevice", "", false, pAct);
-
    pAct = new CPropertyAction (this, &CMightex_BUF_USBCCDCamera::OnDropPixels);
    CreateIntegerProperty("DropPixels", 0, false, pAct);
    AddAllowedValue("DropPixels", "0");
@@ -1586,15 +1581,6 @@ int CMightex_BUF_USBCCDCamera::ThreadRun (MM::MMTime startTime)
 
    int ret=DEVICE_ERR;
    
-   // Trigger
-   if (triggerDevice_.length() > 0) {
-      MM::Device* triggerDev = GetDevice(triggerDevice_.c_str());
-      if (triggerDev != 0) {
-      	LogMessage("trigger requested");
-      	triggerDev->SetProperty("Trigger","+");
-      }
-   }
-
    ret = InsertImage();
      
 
@@ -2346,20 +2332,6 @@ int CMightex_BUF_USBCCDCamera::OnCameraCCDYSize(MM::PropertyBase* pProp, MM::Act
 
 }
 
-int CMightex_BUF_USBCCDCamera::OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct)
-{
-
-   if (eAct == MM::BeforeGet)
-   {
-      pProp->Set(triggerDevice_.c_str());
-   }
-   else if (eAct == MM::AfterSet)
-   {
-      pProp->Get(triggerDevice_);
-   }
-   return DEVICE_OK;
-}
-
 
 int CMightex_BUF_USBCCDCamera::OnCCDTemp(MM::PropertyBase* pProp, MM::ActionType eAct)
 {
diff --git a/DeviceAdapters/Mightex_C_Cam/Mightex_USBCamera.h b/DeviceAdapters/Mightex_C_Cam/Mightex_USBCamera.h
index 1afc1af84..bfaf84735 100755
--- a/DeviceAdapters/Mightex_C_Cam/Mightex_USBCamera.h
+++ b/DeviceAdapters/Mightex_C_Cam/Mightex_USBCamera.h
@@ -122,7 +122,6 @@ class CMightex_BUF_USBCCDCamera : public CCameraBase<CMightex_BUF_USBCCDCamera>
    //int OnErrorSimulation(MM::PropertyBase* , MM::ActionType );
    //int OnCameraCCDXSize(MM::PropertyBase* , MM::ActionType );
    //int OnCameraCCDYSize(MM::PropertyBase* , MM::ActionType );
-   //int OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct);
    //int OnDropPixels(MM::PropertyBase* pProp, MM::ActionType eAct);
    //int OnFastImage(MM::PropertyBase* pProp, MM::ActionType eAct);
    //int OnSaturatePixels(MM::PropertyBase* pProp, MM::ActionType eAct);
@@ -174,7 +173,6 @@ class CMightex_BUF_USBCCDCamera : public CCameraBase<CMightex_BUF_USBCCDCamera>
 	long cameraCCDXSize_;
 	long cameraCCDYSize_;
    double ccdT_;
-	std::string triggerDevice_;
 
    bool stopOnOverflow_;
 
diff --git a/DeviceAdapters/Mightex_SB_Cam/Mightex_SB_Camera.cpp b/DeviceAdapters/Mightex_SB_Cam/Mightex_SB_Camera.cpp
index 7a45b1937..50b31e405 100644
--- a/DeviceAdapters/Mightex_SB_Cam/Mightex_SB_Camera.cpp
+++ b/DeviceAdapters/Mightex_SB_Cam/Mightex_SB_Camera.cpp
@@ -423,7 +423,6 @@ CMightex_SB_Camera::CMightex_SB_Camera() :
 	cameraXSize_(SB_DEFAULT_WIDTH),
 	cameraYSize_(SB_DEFAULT_HEIGHT),
    cam_T_ (0.0),
-   triggerDevice_(""),
    stopOnOverflow_(false),
 	dropPixels_(false),
    fastImage_(false),
@@ -1204,15 +1203,6 @@ int CMightex_SB_Camera::ThreadRun (MM::MMTime startTime)
 
    int ret=DEVICE_ERR;
    
-   // Trigger
-   if (triggerDevice_.length() > 0) {
-      MM::Device* triggerDev = GetDevice(triggerDevice_.c_str());
-      if (triggerDev != 0) {
-      	LogMessage("trigger requested");
-      	triggerDev->SetProperty("Trigger","+");
-      }
-   }
-
    ret = InsertImage();
      
 
diff --git a/DeviceAdapters/Mightex_SB_Cam/Mightex_SB_Camera.h b/DeviceAdapters/Mightex_SB_Cam/Mightex_SB_Camera.h
index 85a73cdb0..7c249d4d9 100644
--- a/DeviceAdapters/Mightex_SB_Cam/Mightex_SB_Camera.h
+++ b/DeviceAdapters/Mightex_SB_Cam/Mightex_SB_Camera.h
@@ -160,7 +160,6 @@ class CMightex_SB_Camera : public CCameraBase<CMightex_SB_Camera>
 	long cameraXSize_;
 	long cameraYSize_;
    double cam_T_;
-	std::string triggerDevice_;
 
    bool stopOnOverflow_;
 
diff --git a/DeviceAdapters/OpenCVgrabber/OpenCVgrabber.cpp b/DeviceAdapters/OpenCVgrabber/OpenCVgrabber.cpp
index 37c5b66b8..03a45cc7d 100644
--- a/DeviceAdapters/OpenCVgrabber/OpenCVgrabber.cpp
+++ b/DeviceAdapters/OpenCVgrabber/OpenCVgrabber.cpp
@@ -152,7 +152,6 @@ COpenCVgrabber::COpenCVgrabber() :
    nComponents_(4),
    xFlip_(false),
    yFlip_(false),
-   triggerDevice_(""),
    stopOnOverFlow_(false)
 {
    // call the base class method to set-up default error codes/messages
@@ -845,17 +844,6 @@ int COpenCVgrabber::ThreadRun (void)
 {
    int ret=DEVICE_ERR;
    
-   // Trigger
-   if (triggerDevice_.length() > 0) {
-      MM::Device* triggerDev = GetDevice(triggerDevice_.c_str());
-      if (triggerDev != 0) {
-      	//char label[256];
-      	//triggerDev->GetLabel(label);
-      	LogMessage("trigger requested");
-      	triggerDev->SetProperty("Trigger","+");
-      }
-   }
-      
    ret = SnapImage();
    if (ret != DEVICE_OK) return ret;
 
@@ -1514,20 +1502,6 @@ int COpenCVgrabber::OnCameraCCDYSize(MM::PropertyBase* pProp, MM::ActionType eAc
 
 }
 
-int COpenCVgrabber::OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct)
-{
-
-   if (eAct == MM::BeforeGet)
-   {
-      pProp->Set(triggerDevice_.c_str());
-   }
-   else if (eAct == MM::AfterSet)
-   {
-      pProp->Get(triggerDevice_);
-   }
-   return DEVICE_OK;
-}
-
 
 ///////////////////////////////////////////////////////////////////////////////
 // Private COpenCVgrabber methods
diff --git a/DeviceAdapters/OpenCVgrabber/OpenCVgrabber.h b/DeviceAdapters/OpenCVgrabber/OpenCVgrabber.h
index f20ee8f13..3af6970f5 100644
--- a/DeviceAdapters/OpenCVgrabber/OpenCVgrabber.h
+++ b/DeviceAdapters/OpenCVgrabber/OpenCVgrabber.h
@@ -125,7 +125,6 @@ class COpenCVgrabber : public CCameraBase<COpenCVgrabber>
 
    int OnCameraCCDXSize(MM::PropertyBase* , MM::ActionType );
    int OnCameraCCDYSize(MM::PropertyBase* , MM::ActionType );
-   int OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct);
    MM::MMTime CurrentTime(void) { return GetCurrentMMTime(); };
    int OnResolution(MM::PropertyBase* pProp, MM::ActionType eAct);
    int OnFlipX(MM::PropertyBase* pProp, MM::ActionType eAct);
@@ -159,7 +158,6 @@ class COpenCVgrabber : public CCameraBase<COpenCVgrabber>
    int nComponents_;
    bool xFlip_;
    bool yFlip_;
-	std::string triggerDevice_;
    bool stopOnOverFlow_;
 
    MMThreadLock imgPixelsLock_;
diff --git a/DeviceAdapters/RaptorEPIX/RaptorEPIX.cpp b/DeviceAdapters/RaptorEPIX/RaptorEPIX.cpp
index b4588f5e2..15b99e756 100644
--- a/DeviceAdapters/RaptorEPIX/RaptorEPIX.cpp
+++ b/DeviceAdapters/RaptorEPIX/RaptorEPIX.cpp
@@ -937,7 +937,6 @@ CRaptorEPIX::CRaptorEPIX(int nCameraType) :
 	cameraCCDYSize_(888),
    nComponents_(1),
    pDemoResourceLock_(0),
-   triggerDevice_(""),
 	dropPixels_(false),
 	saturatePixels_(false),
 	fractionOfPixelsToDropOrSaturate_(0.002),
@@ -3213,10 +3212,6 @@ int CRaptorEPIX::Initialize()
    CreateProperty("CCD X Pixels", osCCDX.str().c_str(), MM::Integer, true);
    CreateProperty("CCD Y Pixels", osCCDY.str().c_str(), MM::Integer, true);
 
-   // Trigger device
-//   pAct = new CPropertyAction (this, &CRaptorEPIX::OnTriggerDevice); 
-//   CreateProperty("TriggerDevice","", MM::String, false, pAct);
-
    // TE Cooler
    pAct = new CPropertyAction (this, &CRaptorEPIX::OnTECooler);
    nRet = CreateProperty(g_Keyword_TECooler,g_Keyword_Off, MM::String, false, pAct);
@@ -5938,17 +5933,6 @@ int CRaptorEPIX::ThreadRun (void)
 
 	int ret=DEVICE_ERR;
    
-   // Trigger
-   if (triggerDevice_.length() > 0) {
-      MM::Device* triggerDev = GetDevice(triggerDevice_.c_str());
-      if (triggerDev != 0) {
-      	//char label[256];
-      	//triggerDev->GetLabel(label);
-      	LogMessage("trigger requested");
-      	triggerDev->SetProperty("Trigger","+");
-      }
-   }
-   
 	
    MMThreadGuard g2(g_serialLock_[UNITSOPENMAP]);
    
@@ -10464,20 +10448,6 @@ int CRaptorEPIX::OnCameraCCDYSize(MM::PropertyBase* pProp, MM::ActionType eAct)
 
 }
 
-int CRaptorEPIX::OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct)
-{
-
-   if (eAct == MM::BeforeGet)
-   {
-      pProp->Set(triggerDevice_.c_str());
-   }
-   else if (eAct == MM::AfterSet)
-   {
-      pProp->Get(triggerDevice_);
-   }
-   return DEVICE_OK;
-}
-
 
 ///////////////////////////////////////////////////////////////////////////////
 // Private CRaptorEPIX methods
diff --git a/DeviceAdapters/RaptorEPIX/RaptorEPIX.h b/DeviceAdapters/RaptorEPIX/RaptorEPIX.h
index b18ca36db..c26a532bd 100644
--- a/DeviceAdapters/RaptorEPIX/RaptorEPIX.h
+++ b/DeviceAdapters/RaptorEPIX/RaptorEPIX.h
@@ -298,7 +298,6 @@ class CRaptorEPIX : public CCameraBase<CRaptorEPIX>
    int OnErrorSimulation(MM::PropertyBase* , MM::ActionType );
    int OnCameraCCDXSize(MM::PropertyBase* , MM::ActionType );
    int OnCameraCCDYSize(MM::PropertyBase* , MM::ActionType );
-   int OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct);
    int OnDropPixels(MM::PropertyBase* pProp, MM::ActionType eAct);
    int OnSaturatePixels(MM::PropertyBase* pProp, MM::ActionType eAct);
    int OnFractionOfPixelsToDropOrSaturate(MM::PropertyBase* pProp, MM::ActionType eAct);
@@ -531,7 +530,6 @@ class CRaptorEPIX : public CCameraBase<CRaptorEPIX>
 	long binSize_;
 	long cameraCCDXSize_;
 	long cameraCCDYSize_;
-	std::string triggerDevice_;
 	const char* cameraDeviceName_;
 	const char* cameraName_;
 	double triggerTimeout_;
diff --git a/DeviceAdapters/TUCam/MMTUCam.cpp b/DeviceAdapters/TUCam/MMTUCam.cpp
index 7bd6d619d..655296a05 100755
--- a/DeviceAdapters/TUCam/MMTUCam.cpp
+++ b/DeviceAdapters/TUCam/MMTUCam.cpp
@@ -273,7 +273,6 @@ CMMTUCam::CMMTUCam() :
     cameraCCDXSize_(512),
     cameraCCDYSize_(512),
     ccdT_ (0.0),
-    triggerDevice_(""),
     stopOnOverflow_(false),
     dropPixels_(false),
     fastImage_(false),
@@ -2916,17 +2915,6 @@ int CMMTUCam::RunSequenceOnThread(MM::MMTime startTime)
 {
     int ret = DEVICE_ERR;
 
-    // Trigger
-    if (triggerDevice_.length() > 0) 
-    {
-        MM::Device* triggerDev = GetDevice(triggerDevice_.c_str());
-        if (triggerDev != 0) 
-        {
-            LogMessage("trigger requested");
-            triggerDev->SetProperty("Trigger","+");
-        }
-    }
-
 	ret = WaitForFrame(img_, INFINITE);
 /*   
     if (!fastImage_)
@@ -7691,19 +7679,6 @@ int CMMTUCam::OnCameraCCDYSize(MM::PropertyBase* pProp, MM::ActionType eAct)
 
 }
 
-int CMMTUCam::OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct)
-{
-   if (eAct == MM::BeforeGet)
-   {
-      pProp->Set(triggerDevice_.c_str());
-   }
-   else if (eAct == MM::AfterSet)
-   {
-      pProp->Get(triggerDevice_);
-   }
-   return DEVICE_OK;
-}
-
 
 int CMMTUCam::OnCCDTemp(MM::PropertyBase* pProp, MM::ActionType eAct)
 {
diff --git a/DeviceAdapters/TUCam/MMTUCam.h b/DeviceAdapters/TUCam/MMTUCam.h
index bd1ec04e9..231c12f0b 100755
--- a/DeviceAdapters/TUCam/MMTUCam.h
+++ b/DeviceAdapters/TUCam/MMTUCam.h
@@ -342,7 +342,6 @@ class CMMTUCam : public CCameraBase<CMMTUCam>
     int OnErrorSimulation(MM::PropertyBase* , MM::ActionType );
     int OnCameraCCDXSize(MM::PropertyBase* , MM::ActionType );
     int OnCameraCCDYSize(MM::PropertyBase* , MM::ActionType );
-    int OnTriggerDevice(MM::PropertyBase* pProp, MM::ActionType eAct);
     int OnDropPixels(MM::PropertyBase* pProp, MM::ActionType eAct);
     int OnFastImage(MM::PropertyBase* pProp, MM::ActionType eAct);
     int OnSaturatePixels(MM::PropertyBase* pProp, MM::ActionType eAct);
@@ -410,7 +409,6 @@ class CMMTUCam : public CCameraBase<CMMTUCam>
     long cameraCCDXSize_;
     long cameraCCDYSize_;
     double ccdT_;
-    std::string triggerDevice_;
 
     bool stopOnOverflow_;
 
diff --git a/DeviceAdapters/UniversalMMHubUsb/ummhUsb.cpp b/DeviceAdapters/UniversalMMHubUsb/ummhUsb.cpp
index d0f17e56c..5d19b1160 100644
--- a/DeviceAdapters/UniversalMMHubUsb/ummhUsb.cpp
+++ b/DeviceAdapters/UniversalMMHubUsb/ummhUsb.cpp
@@ -3780,15 +3780,6 @@ int UmmhCamera::RunSequenceOnThread(MM::MMTime startTime)
 {
    /*int ret=DEVICE_ERR;
    
-   // Trigger
-   if (triggerDevice_.length() > 0) {
-      MM::Device* triggerDev = GetDevice(triggerDevice_.c_str());
-      if (triggerDev != 0) {
-      	LogMessage("trigger requested");
-      	triggerDev->SetProperty("Trigger","+");
-      }
-   }
-
    double exposure = GetSequenceExposure();
 
    if (!fastImage_)