diff --git a/src/libs/qmuparser/qmuformulabase.cpp b/src/libs/qmuparser/qmuformulabase.cpp
index 39091a3ae..28f610ea4 100644
--- a/src/libs/qmuparser/qmuformulabase.cpp
+++ b/src/libs/qmuparser/qmuformulabase.cpp
@@ -30,6 +30,8 @@
 #include <QStringDataPtr>
 #include <QStringList>
 
+#include "qmudef.h"
+
 namespace qmu
 {
 
diff --git a/src/libs/qmuparser/qmuparser.cpp b/src/libs/qmuparser/qmuparser.cpp
index 3ddf10a87..3b1dc9f71 100644
--- a/src/libs/qmuparser/qmuparser.cpp
+++ b/src/libs/qmuparser/qmuparser.cpp
@@ -30,11 +30,11 @@
 #include <sstream>
 #include <string>
 #include <QtDebug>
+#include <QtMath>
 
-#include "qmuparserdef.h"
 #include "qmuparsererror.h"
-#include "../vmisc/vmath.h"
 #include "../vmisc/defglobal.h"
+#include "qmudef.h"
 
 /**
  * @file
diff --git a/src/libs/qmuparser/qmuparserbytecode.cpp b/src/libs/qmuparser/qmuparserbytecode.cpp
index ab9aa5ee0..1123e3a9f 100644
--- a/src/libs/qmuparser/qmuparserbytecode.cpp
+++ b/src/libs/qmuparser/qmuparserbytecode.cpp
@@ -100,11 +100,11 @@ void QmuParserByteCode::AddVar(qreal *a_pVar)
     m_iMaxStackSize = qMax(m_iMaxStackSize, m_iStackPos);
 
     // optimization does not apply
-    SToken tok{};
+    SToken tok; // NOLINT
     tok.Cmd       = cmVAR;
-    tok.Val.ptr   = a_pVar; // NOLINT(cppcoreguidelines-pro-type-union-access)
-    tok.Val.data  = 1; // NOLINT(cppcoreguidelines-pro-type-union-access)
-    tok.Val.data2 = 0; // NOLINT(cppcoreguidelines-pro-type-union-access)
+    tok.Val.ptr   = a_pVar;
+    tok.Val.data  = 1;
+    tok.Val.data2 = 0;
     m_vRPN.push_back(tok);
 }
 
@@ -128,11 +128,11 @@ void QmuParserByteCode::AddVal(qreal a_fVal)
     m_iMaxStackSize = qMax(m_iMaxStackSize, m_iStackPos);
 
     // If optimization does not apply
-    SToken tok{};
+    SToken tok; // NOLINT
     tok.Cmd = cmVAL;
-    tok.Val.ptr   = nullptr; // NOLINT(cppcoreguidelines-pro-type-union-access)
-    tok.Val.data  = 0; // NOLINT(cppcoreguidelines-pro-type-union-access)
-    tok.Val.data2 = a_fVal; // NOLINT(cppcoreguidelines-pro-type-union-access)
+    tok.Val.ptr   = nullptr;
+    tok.Val.data  = 0;
+    tok.Val.data2 = a_fVal;
     m_vRPN.push_back(tok);
 }
 
@@ -140,8 +140,8 @@ void QmuParserByteCode::AddVal(qreal a_fVal)
 void QmuParserByteCode::ConstantFolding(ECmdCode a_Oprt)
 {
     int sz = m_vRPN.size();
-    qreal &x = m_vRPN[sz-2].Val.data2, // NOLINT(cppcoreguidelines-pro-type-union-access)
-          &y = m_vRPN[sz-1].Val.data2; // NOLINT(cppcoreguidelines-pro-type-union-access)
+    qreal &x = m_vRPN[sz-2].Val.data2,
+          &y = m_vRPN[sz-1].Val.data2;
     switch (a_Oprt)
     {
         case cmLAND:
@@ -355,7 +355,7 @@ void QmuParserByteCode::AddOp(ECmdCode a_Oprt)
         if (not bOptimized)
         {
             --m_iStackPos;
-            SToken tok{};
+            SToken tok; // NOLINT
             tok.Cmd = a_Oprt;
             m_vRPN.push_back(tok);
         }
@@ -416,7 +416,7 @@ QT_WARNING_POP
 //---------------------------------------------------------------------------------------------------------------------
 void QmuParserByteCode::AddIfElse(ECmdCode a_Oprt)
 {
-    SToken tok{};
+    SToken tok; // NOLINT
     tok.Cmd = a_Oprt;
     m_vRPN.push_back(tok);
 }
@@ -437,7 +437,7 @@ void QmuParserByteCode::AddAssignOp(qreal *a_pVar)
 {
     --m_iStackPos;
 
-    SToken tok{};
+    SToken tok; // NOLINT
     tok.Cmd = cmASSIGN;
     tok.Oprt.ptr = a_pVar;
     m_vRPN.push_back(tok);
@@ -463,7 +463,7 @@ void QmuParserByteCode::AddFun(generic_fun_type a_pFun, int a_iArgc)
     }
     m_iMaxStackSize = qMax(m_iMaxStackSize, m_iStackPos);
 
-    SToken tok{};
+    SToken tok; // NOLINT
     tok.Cmd = cmFUNC;
     tok.Fun.argc = a_iArgc;
     tok.Fun.ptr = a_pFun;
@@ -482,7 +482,7 @@ void QmuParserByteCode::AddBulkFun(generic_fun_type a_pFun, int a_iArgc)
     m_iStackPos = static_cast<quint32>(static_cast<int>(m_iStackPos) - a_iArgc + 1);
     m_iMaxStackSize = qMax(m_iMaxStackSize, m_iStackPos);
 
-    SToken tok{};
+    SToken tok; // NOLINT
     tok.Cmd = cmFUNC_BULK;
     tok.Fun.argc = a_iArgc;
     tok.Fun.ptr = a_pFun;
@@ -501,7 +501,7 @@ void QmuParserByteCode::AddStrFun(generic_fun_type a_pFun, int a_iArgc, int a_iI
 {
     m_iStackPos = static_cast<quint32>(static_cast<int>(m_iStackPos) - a_iArgc + 1);
 
-    SToken tok{};
+    SToken tok; // NOLINT
     tok.Cmd = cmFUNC_STR;
     tok.Fun.argc = a_iArgc;
     tok.Fun.idx = a_iIdx;
@@ -519,7 +519,7 @@ void QmuParserByteCode::AddStrFun(generic_fun_type a_pFun, int a_iArgc, int a_iI
  */
 void QmuParserByteCode::Finalize()
 {
-    SToken tok{};
+    SToken tok; // NOLINT
     tok.Cmd = cmEND;
     m_vRPN.push_back(tok);
     rpn_type(m_vRPN).swap(m_vRPN);     // shrink bytecode vector to fit
diff --git a/src/libs/qmuparser/qmuparserbytecode.h b/src/libs/qmuparser/qmuparserbytecode.h
index 1e11c7e83..694643c42 100644
--- a/src/libs/qmuparser/qmuparserbytecode.h
+++ b/src/libs/qmuparser/qmuparserbytecode.h
@@ -25,7 +25,6 @@
 #include <QVector>
 #include <QtGlobal>
 
-#include "qmudef.h"
 #include "qmuparserdef.h"
 #include "qmuparsertoken.h"
 
diff --git a/src/libs/vlayout/dialogs/dialoglayoutscale.cpp b/src/libs/vlayout/dialogs/dialoglayoutscale.cpp
index bbdc22286..ea3ee6646 100644
--- a/src/libs/vlayout/dialogs/dialoglayoutscale.cpp
+++ b/src/libs/vlayout/dialogs/dialoglayoutscale.cpp
@@ -34,6 +34,10 @@
 #include <QPushButton>
 #include <QShowEvent>
 
+#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
+#include "../vmisc/backport/qoverload.h"
+#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
+
 //---------------------------------------------------------------------------------------------------------------------
 DialogLayoutScale::DialogLayoutScale(bool printTiled, QWidget *parent)
     :QDialog(parent),
diff --git a/src/libs/vtools/dialogs/dialogtoolbox.cpp b/src/libs/vtools/dialogs/dialogtoolbox.cpp
index b6f93f5f0..8f9650e80 100644
--- a/src/libs/vtools/dialogs/dialogtoolbox.cpp
+++ b/src/libs/vtools/dialogs/dialogtoolbox.cpp
@@ -42,6 +42,7 @@
 #include "../vgeometry/vcubicbezierpath.h"
 #include "../vgeometry/vspline.h"
 #include "../vgeometry/vsplinepath.h"
+#include "../qmuparser/qmudef.h"
 
 #include <QDialog>
 #include <QLabel>
diff --git a/src/libs/vtools/tools/drawTools/toolcurve/vabstractspline.cpp b/src/libs/vtools/tools/drawTools/toolcurve/vabstractspline.cpp
index bf298de7e..f05d6b1e3 100644
--- a/src/libs/vtools/tools/drawTools/toolcurve/vabstractspline.cpp
+++ b/src/libs/vtools/tools/drawTools/toolcurve/vabstractspline.cpp
@@ -41,9 +41,9 @@
 #include <new>
 
 #include "../ifc/exception/vexception.h"
-#include "../ifc/exception/vexceptionbadid.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "../qmuparser/qmutokenparser.h"
+#include "../qmuparser/qmudef.h"
 #include "../vgeometry/vgobject.h"
 #include "../vgeometry/vpointf.h"
 #include "../vgeometry/vspline.h"