diff --git a/qt/scientific_interfaces/Inelastic/Manipulation/DataManipulationInterface.cpp b/qt/scientific_interfaces/Inelastic/Manipulation/DataManipulationInterface.cpp
index 0ca49f3e66fc..6572b0936669 100644
--- a/qt/scientific_interfaces/Inelastic/Manipulation/DataManipulationInterface.cpp
+++ b/qt/scientific_interfaces/Inelastic/Manipulation/DataManipulationInterface.cpp
@@ -73,7 +73,7 @@ void DataManipulationInterface::initLayout() {
   // Connect the "Manage User Directories" Button
   connect(m_uiForm.pbManageDirectories, SIGNAL(clicked()), this, SLOT(manageUserDirectories()));
 
-  auto const facility = Mantid::Kernel::ConfigService::Instance().getFacility();
+  auto const &facility = Mantid::Kernel::ConfigService::Instance().getFacility();
   filterUiForFacility(QString::fromStdString(facility.name()));
 
   IndirectInterface::initLayout();
diff --git a/qt/scientific_interfaces/Inelastic/Manipulation/ElwinModel.cpp b/qt/scientific_interfaces/Inelastic/Manipulation/ElwinModel.cpp
index 446309ac58d1..c03b3ae59561 100644
--- a/qt/scientific_interfaces/Inelastic/Manipulation/ElwinModel.cpp
+++ b/qt/scientific_interfaces/Inelastic/Manipulation/ElwinModel.cpp
@@ -23,10 +23,9 @@ using namespace MantidQt::MantidWidgets;
 
 namespace MantidQt::CustomInterfaces {
 
-//----------------------------------------------------------------------------------------------
-/** Constructor
- */
-ElwinModel::ElwinModel() {}
+ElwinModel::ElwinModel()
+    : m_integrationStart(), m_integrationEnd(), m_backgroundStart(), m_backgroundEnd(), m_backgroundSubtraction(),
+      m_normalise(), m_outputWorkspaceNames() {}
 
 void ElwinModel::setupLoadAlgorithm(MantidQt::API::BatchAlgorithmRunner *batchAlgoRunner, std::string const &filepath,
                                     std::string const &outputName) {
@@ -130,7 +129,7 @@ std::string ElwinModel::getOutputWorkspaceNames() const {
   std::vector<std::string> keys = {"qWorkspace", "qSquaredWorkspace", "elfWorkspace", "eltWorkspace"};
   std::ostringstream oss;
   std::transform(keys.cbegin(), keys.cend(), std::ostream_iterator<std::string>(oss, ","),
-                 [&outNames = m_outputWorkspaceNames](const auto &key) { return outNames.at(key); });
+                 [&](const auto &key) { return m_outputWorkspaceNames.at(key); });
   std::string outputWorkspaceNames = oss.str();
   outputWorkspaceNames.resize(outputWorkspaceNames.size() - 1);
   return outputWorkspaceNames;
diff --git a/qt/scientific_interfaces/Inelastic/Manipulation/IqtModel.cpp b/qt/scientific_interfaces/Inelastic/Manipulation/IqtModel.cpp
index 8db4d417ebb5..1709d7edba68 100644
--- a/qt/scientific_interfaces/Inelastic/Manipulation/IqtModel.cpp
+++ b/qt/scientific_interfaces/Inelastic/Manipulation/IqtModel.cpp
@@ -20,10 +20,9 @@ using namespace Mantid::API;
 
 namespace MantidQt::CustomInterfaces {
 
-//----------------------------------------------------------------------------------------------
-/** Constructor
- */
-IqtModel::IqtModel() {}
+IqtModel::IqtModel()
+    : m_sampleWorkspace(), m_resWorkspace(), m_nIterations(), m_energyMin(), m_energyMax(), m_numBins(),
+      m_calculateErrors(), m_enforceNormalization() {}
 
 void IqtModel::setupTransformToIqt(MantidQt::API::BatchAlgorithmRunner *batchAlgoRunner,
                                    std::string const &outputWorkspace) {
diff --git a/qt/scientific_interfaces/Inelastic/Manipulation/IqtPresenter.cpp b/qt/scientific_interfaces/Inelastic/Manipulation/IqtPresenter.cpp
index dda03499c4c5..b3998034a483 100644
--- a/qt/scientific_interfaces/Inelastic/Manipulation/IqtPresenter.cpp
+++ b/qt/scientific_interfaces/Inelastic/Manipulation/IqtPresenter.cpp
@@ -38,10 +38,9 @@ IqtPresenter::IqtPresenter(QWidget *parent, IIqtView *view)
 void IqtPresenter::setup() { m_view->setup(); }
 
 void IqtPresenter::handleSampDataReady(const std::string &wsname) {
-  MatrixWorkspace_sptr workspace;
   try {
-    workspace = AnalysisDataService::Instance().retrieveWS<MatrixWorkspace>(wsname);
-    setInputWorkspace(workspace);
+    auto workspace = AnalysisDataService::Instance().retrieveWS<MatrixWorkspace>(wsname);
+    setInputWorkspace(std::move(workspace));
   } catch (Mantid::Kernel::Exception::NotFoundError &) {
     m_view->showMessageBox("Unable to retrieve workspace: " + wsname);
     m_view->setPreviewSpectrumMaximum(0);
diff --git a/qt/scientific_interfaces/Inelastic/Manipulation/MomentsModel.cpp b/qt/scientific_interfaces/Inelastic/Manipulation/MomentsModel.cpp
index 68e65e0638db..ae21851b7065 100644
--- a/qt/scientific_interfaces/Inelastic/Manipulation/MomentsModel.cpp
+++ b/qt/scientific_interfaces/Inelastic/Manipulation/MomentsModel.cpp
@@ -20,10 +20,7 @@ using namespace Mantid::API;
 
 namespace MantidQt::CustomInterfaces {
 
-//----------------------------------------------------------------------------------------------
-/** Constructor
- */
-MomentsModel::MomentsModel() { m_scale = false; }
+MomentsModel::MomentsModel() : m_inputWorkspace(), m_outputWorkspaceName(), m_eMin(), m_eMax(), m_scale(false) {}
 
 IAlgorithm_sptr MomentsModel::setupAlgorithm() {
   IAlgorithm_sptr momentsAlg = AlgorithmManager::Instance().create("SofQWMoments", -1);
diff --git a/qt/scientific_interfaces/Inelastic/Manipulation/SqwModel.cpp b/qt/scientific_interfaces/Inelastic/Manipulation/SqwModel.cpp
index 6279816fbb34..bfb3e7971b50 100644
--- a/qt/scientific_interfaces/Inelastic/Manipulation/SqwModel.cpp
+++ b/qt/scientific_interfaces/Inelastic/Manipulation/SqwModel.cpp
@@ -39,10 +39,9 @@ void convertToSpectrumAxis(std::string const &inputName, std::string const &outp
 
 namespace MantidQt::CustomInterfaces {
 
-//----------------------------------------------------------------------------------------------
-/** Constructor
- */
-SqwModel::SqwModel() { m_rebinInEnergy = false; }
+SqwModel::SqwModel()
+    : m_inputWorkspace(), m_baseName(), m_eFixed(), m_qLow(), m_qWidth(0.05), m_qHigh(), m_eLow(), m_eWidth(0.005),
+      m_eHigh(), m_rebinInEnergy(false) {}
 
 void SqwModel::setupRebinAlgorithm(MantidQt::API::BatchAlgorithmRunner *batchAlgoRunner) {
   if (m_rebinInEnergy) {
diff --git a/qt/scientific_interfaces/Inelastic/Manipulation/SqwModel.h b/qt/scientific_interfaces/Inelastic/Manipulation/SqwModel.h
index 3963f169bca1..63db4ef0e19c 100644
--- a/qt/scientific_interfaces/Inelastic/Manipulation/SqwModel.h
+++ b/qt/scientific_interfaces/Inelastic/Manipulation/SqwModel.h
@@ -48,10 +48,10 @@ class MANTIDQT_INELASTIC_DLL SqwModel {
   std::string m_baseName;
   double m_eFixed;
   double m_qLow;
-  double m_qWidth = 0.05;
+  double m_qWidth;
   double m_qHigh;
   double m_eLow;
-  double m_eWidth = 0.005;
+  double m_eWidth;
   double m_eHigh;
   bool m_rebinInEnergy;
 };
diff --git a/qt/scientific_interfaces/Inelastic/Manipulation/SymmetriseModel.cpp b/qt/scientific_interfaces/Inelastic/Manipulation/SymmetriseModel.cpp
index 893be417a373..925f4547f8a3 100644
--- a/qt/scientific_interfaces/Inelastic/Manipulation/SymmetriseModel.cpp
+++ b/qt/scientific_interfaces/Inelastic/Manipulation/SymmetriseModel.cpp
@@ -20,13 +20,12 @@ using namespace Mantid::API;
 
 namespace MantidQt::CustomInterfaces {
 
-//----------------------------------------------------------------------------------------------
-/** Constructor
- */
-SymmetriseModel::SymmetriseModel() {}
+SymmetriseModel::SymmetriseModel()
+    : m_inputWorkspace(), m_reflectedInputWorkspace(), m_negativeOutputWorkspace(), m_positiveOutputWorkspace(),
+      m_eMin(), m_eMax(), m_isPositiveReflect(), m_spectraRange() {}
 
 void SymmetriseModel::setupPreviewAlgorithm(MantidQt::API::BatchAlgorithmRunner *batchAlgoRunner,
-                                            std::vector<long> spectraRange) {
+                                            std::vector<long> const &spectraRange) {
 
   if (!m_isPositiveReflect) {
     reflectNegativeToPositive();
diff --git a/qt/scientific_interfaces/Inelastic/Manipulation/SymmetriseModel.h b/qt/scientific_interfaces/Inelastic/Manipulation/SymmetriseModel.h
index c3a6e596e15e..95fe0560cd88 100644
--- a/qt/scientific_interfaces/Inelastic/Manipulation/SymmetriseModel.h
+++ b/qt/scientific_interfaces/Inelastic/Manipulation/SymmetriseModel.h
@@ -22,7 +22,8 @@ class MANTIDQT_INELASTIC_DLL SymmetriseModel {
 public:
   SymmetriseModel();
   ~SymmetriseModel() = default;
-  void setupPreviewAlgorithm(MantidQt::API::BatchAlgorithmRunner *batchAlgoRunner, std::vector<long> spectraRange);
+  void setupPreviewAlgorithm(MantidQt::API::BatchAlgorithmRunner *batchAlgoRunner,
+                             std::vector<long> const &spectraRange);
   std::string setupSymmetriseAlgorithm(MantidQt::API::BatchAlgorithmRunner *batchAlgoRunner);
   void reflectNegativeToPositive();
   void setWorkspaceName(std::string const &workspaceName);
diff --git a/qt/widgets/common/src/WorkspaceUtils.cpp b/qt/widgets/common/src/WorkspaceUtils.cpp
index d611dfb6d6ec..ad43c3b9c507 100644
--- a/qt/widgets/common/src/WorkspaceUtils.cpp
+++ b/qt/widgets/common/src/WorkspaceUtils.cpp
@@ -207,7 +207,7 @@ QPair<double, double> getXRangeFromWorkspace(std::string const &workspaceName, d
 
 QPair<double, double> getXRangeFromWorkspace(const Mantid::API::MatrixWorkspace_const_sptr &workspace,
                                              double precision) {
-  auto const xValues = workspace->x(0);
+  auto const &xValues = workspace->x(0);
   return roundRangeToPrecision(xValues.front(), xValues.back(), precision);
 }