diff --git a/qt/scientific_interfaces/Muon/ALCDataLoadingPresenter.cpp b/qt/scientific_interfaces/Muon/ALCDataLoadingPresenter.cpp
index fb1457b8e7b8ccbd31f3e46e8ce3919f6dc7cdd3..906ec150908da6dbd35ea75974739ede4251a366 100644
--- a/qt/scientific_interfaces/Muon/ALCDataLoadingPresenter.cpp
+++ b/qt/scientific_interfaces/Muon/ALCDataLoadingPresenter.cpp
@@ -325,7 +325,6 @@ void ALCDataLoadingPresenter::setData(MatrixWorkspace_const_sptr data) {
 bool ALCDataLoadingPresenter::checkCustomGrouping() {
   bool groupingOK = true;
   if (m_view->detectorGroupingType() == "Custom") {
-    auto fds = m_view->getForwardGrouping();
     auto detectors = Mantid::Kernel::Strings::parseRange(
         isCustomGroupingValid(m_view->getForwardGrouping(), groupingOK));
     const auto backward = Mantid::Kernel::Strings::parseRange(