diff --git a/slsDetectorSoftware/src/Detector.cpp b/slsDetectorSoftware/src/Detector.cpp
index bf4866f3c..c9b23ca1e 100644
--- a/slsDetectorSoftware/src/Detector.cpp
+++ b/slsDetectorSoftware/src/Detector.cpp
@@ -148,7 +148,7 @@ Result<defs::detectorSettings> Detector::getSettings(Positions pos) const {
     return pimpl->Parallel(&slsDetector::getSettings, pos);
 }
 
-void Detector::setSettings(defs::detectorSettings value, Positions pos) {
+void Detector::setSettings(const defs::detectorSettings value, Positions pos) {
     pimpl->Parallel(&slsDetector::setSettings, pos, value);
 }
 
diff --git a/slsDetectorSoftware/src/DetectorImpl.h b/slsDetectorSoftware/src/DetectorImpl.h
index 89d755249..f2bc44270 100755
--- a/slsDetectorSoftware/src/DetectorImpl.h
+++ b/slsDetectorSoftware/src/DetectorImpl.h
@@ -19,7 +19,6 @@ class detectorData;
 #define MULTI_SHMAPIVERSION 0x190809
 #define MULTI_SHMVERSION 0x200131
 #define SHORT_STRING_LENGTH 50
-#define DATE_LENGTH 30
 
 #include <future>
 #include <numeric>