diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
index 818a19cb0..be77805ae 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
@@ -49,8 +49,6 @@ multiSlsDetector::multiSlsDetector(int id, bool verify, bool update)
 	pthread_mutex_init(&mp, NULL);
 	mg=mp1;
 	pthread_mutex_init(&mg, NULL);
-	ms=mp1;
-	pthread_mutex_init(&ms, NULL);
 
 	setupMultiDetector(verify, update);
 
diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
index 4c3e15e38..fb66a14db 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
@@ -1712,9 +1712,6 @@ private:
 	/** mutex to synchronizedata processing and plotting threads */
 	pthread_mutex_t mg;
 
-	/** mutex to synchronize slsdetector threads */
-	pthread_mutex_t ms;
-
 	/** sets when the acquisition is finished */
 	int jointhread;