diff --git a/src/libs/vgeometry/varc_p.h b/src/libs/vgeometry/varc_p.h
index f5481c2d5..b11f1399c 100644
--- a/src/libs/vgeometry/varc_p.h
+++ b/src/libs/vgeometry/varc_p.h
@@ -100,6 +100,9 @@ public:
     bool               isFlipped;
 
     QString            formulaLength;
+
+private:
+    VArcData &operator=(const VArcData &) Q_DECL_EQ_DELETE;
 };
 
 VArcData::~VArcData()
diff --git a/src/libs/vgeometry/vgobject_p.h b/src/libs/vgeometry/vgobject_p.h
index 7c8a2b409..fb94828c0 100644
--- a/src/libs/vgeometry/vgobject_p.h
+++ b/src/libs/vgeometry/vgobject_p.h
@@ -69,6 +69,9 @@ public:
 
     /** @brief mode object created in calculation or drawing mode */
     Draw    mode;
+
+private:
+    VGObjectData &operator=(const VGObjectData &) Q_DECL_EQ_DELETE;
 };
 
 VGObjectData::~VGObjectData()
diff --git a/src/libs/vgeometry/vpointf_p.h b/src/libs/vgeometry/vpointf_p.h
index fd5553ee3..9affe3a94 100644
--- a/src/libs/vgeometry/vpointf_p.h
+++ b/src/libs/vgeometry/vpointf_p.h
@@ -75,6 +75,9 @@ public:
 
     /** @brief _y y coordinate */
     qreal   _y;
+
+private:
+    VPointFData &operator=(const VPointFData &) Q_DECL_EQ_DELETE;
 };
 
 VPointFData::~VPointFData()
diff --git a/src/libs/vgeometry/vspline_p.h b/src/libs/vgeometry/vspline_p.h
index a18ec6b4e..c5ed358ba 100644
--- a/src/libs/vgeometry/vspline_p.h
+++ b/src/libs/vgeometry/vspline_p.h
@@ -113,6 +113,9 @@ public:
 
     /** @brief kCurve coefficient of curvature spline. */
     qreal          kCurve;
+
+private:
+    VSplineData &operator=(const VSplineData &) Q_DECL_EQ_DELETE;
 };
 
 VSplineData::~VSplineData()
diff --git a/src/libs/vgeometry/vsplinepath_p.h b/src/libs/vgeometry/vsplinepath_p.h
index cf6dcd319..2c33ad8d4 100644
--- a/src/libs/vgeometry/vsplinepath_p.h
+++ b/src/libs/vgeometry/vsplinepath_p.h
@@ -63,6 +63,9 @@ public:
      * @brief kCurve coefficient of curvature spline.
      */
     qreal         kCurve;
+
+private:
+    VSplinePathData &operator=(const VSplinePathData &) Q_DECL_EQ_DELETE;
 };
 
 VSplinePathData::~VSplinePathData()
diff --git a/src/libs/vgeometry/vsplinepoint_p.h b/src/libs/vgeometry/vsplinepoint_p.h
index 8af4af3c2..83a64e15c 100644
--- a/src/libs/vgeometry/vsplinepoint_p.h
+++ b/src/libs/vgeometry/vsplinepoint_p.h
@@ -78,6 +78,9 @@ public:
 
     /** @brief kAsm2 coefficient of length second control line. */
     qreal          kAsm2;
+
+private:
+    VSplinePointData &operator=(const VSplinePointData &) Q_DECL_EQ_DELETE;
 };
 
 VSplinePointData::~VSplinePointData()
diff --git a/src/libs/vlayout/vabstractdetail_p.h b/src/libs/vlayout/vabstractdetail_p.h
index 57ee2c96b..e59d6f159 100644
--- a/src/libs/vlayout/vabstractdetail_p.h
+++ b/src/libs/vlayout/vabstractdetail_p.h
@@ -63,6 +63,9 @@ public:
     bool           closed;
     /** @brief width value seamAllowance in mm. */
     qreal          width;
+
+private:
+    VAbstractDetailData &operator=(const VAbstractDetailData &) Q_DECL_EQ_DELETE;
 };
 
 #ifdef Q_CC_GNU
diff --git a/src/libs/vlayout/vcontour_p.h b/src/libs/vlayout/vcontour_p.h
index 6d4f8d262..7eec46b3b 100644
--- a/src/libs/vlayout/vcontour_p.h
+++ b/src/libs/vlayout/vcontour_p.h
@@ -65,6 +65,9 @@ public:
     int paperWidth;
 
     quint32 shift;
+
+private:
+    VContourData &operator=(const VContourData &) Q_DECL_EQ_DELETE;
 };
 
 #ifdef Q_CC_GNU
diff --git a/src/libs/vlayout/vlayoutdetail_p.h b/src/libs/vlayout/vlayoutdetail_p.h
index 1e469d6c4..8a008ac80 100644
--- a/src/libs/vlayout/vlayoutdetail_p.h
+++ b/src/libs/vlayout/vlayoutdetail_p.h
@@ -71,6 +71,9 @@ public:
     qreal layoutWidth;
 
     bool mirror;
+
+private:
+    VLayoutDetailData &operator=(const VLayoutDetailData &) Q_DECL_EQ_DELETE;
 };
 
 #ifdef Q_CC_GNU
diff --git a/src/libs/vlayout/vlayoutpaper_p.h b/src/libs/vlayout/vlayoutpaper_p.h
index d047e0f47..c6423b573 100644
--- a/src/libs/vlayout/vlayoutpaper_p.h
+++ b/src/libs/vlayout/vlayoutpaper_p.h
@@ -74,6 +74,9 @@ public:
     bool rotate;
     int rotationIncrease;
     bool saveLength;
+
+private:
+    VLayoutPaperData &operator=(const VLayoutPaperData &) Q_DECL_EQ_DELETE;
 };
 
 #ifdef Q_CC_GNU
diff --git a/src/libs/vpatterndb/variables/varcradius_p.h b/src/libs/vpatterndb/variables/varcradius_p.h
index 6bd9f8310..cba6d7a40 100644
--- a/src/libs/vpatterndb/variables/varcradius_p.h
+++ b/src/libs/vpatterndb/variables/varcradius_p.h
@@ -55,6 +55,9 @@ public:
     virtual  ~VArcRadiusData() Q_DECL_OVERRIDE;
 
     quint32 arcId;
+
+private:
+    VArcRadiusData &operator=(const VArcRadiusData &) Q_DECL_EQ_DELETE;
 };
 
 VArcRadiusData::~VArcRadiusData()
diff --git a/src/libs/vpatterndb/variables/vcurvevariable_p.h b/src/libs/vpatterndb/variables/vcurvevariable_p.h
index ad7224ccf..bf3152ce9 100644
--- a/src/libs/vpatterndb/variables/vcurvevariable_p.h
+++ b/src/libs/vpatterndb/variables/vcurvevariable_p.h
@@ -58,6 +58,9 @@ public:
 
     quint32 id;
     quint32 parentId;
+
+private:
+    VCurveVariableData &operator=(const VCurveVariableData &) Q_DECL_EQ_DELETE;
 };
 
 VCurveVariableData::~VCurveVariableData()
diff --git a/src/libs/vpatterndb/variables/vincrement_p.h b/src/libs/vpatterndb/variables/vincrement_p.h
index 29c6c8317..aa1a2ecc4 100644
--- a/src/libs/vpatterndb/variables/vincrement_p.h
+++ b/src/libs/vpatterndb/variables/vincrement_p.h
@@ -62,6 +62,9 @@ public:
     QString formula;
     bool    formulaOk;
     VContainer data;
+
+private:
+    VIncrementData &operator=(const VIncrementData &) Q_DECL_EQ_DELETE;
 };
 
 VIncrementData::~VIncrementData()
diff --git a/src/libs/vpatterndb/variables/vinternalvariable_p.h b/src/libs/vpatterndb/variables/vinternalvariable_p.h
index 7a61c2d89..b3f9c5b5d 100644
--- a/src/libs/vpatterndb/variables/vinternalvariable_p.h
+++ b/src/libs/vpatterndb/variables/vinternalvariable_p.h
@@ -57,6 +57,9 @@ public:
     qreal   value;
 
     QString name;
+
+private:
+    VInternalVariableData &operator=(const VInternalVariableData &) Q_DECL_EQ_DELETE;
 };
 
 VInternalVariableData::~VInternalVariableData()
diff --git a/src/libs/vpatterndb/variables/vlineangle_p.h b/src/libs/vpatterndb/variables/vlineangle_p.h
index 0acb1c192..aec3948f0 100644
--- a/src/libs/vpatterndb/variables/vlineangle_p.h
+++ b/src/libs/vpatterndb/variables/vlineangle_p.h
@@ -58,6 +58,9 @@ public:
 
     quint32 p1Id;
     quint32 p2Id;
+
+private:
+    VLineAngleData &operator=(const VLineAngleData &) Q_DECL_EQ_DELETE;
 };
 
 VLineAngleData::~VLineAngleData()
diff --git a/src/libs/vpatterndb/variables/vlinelength_p.h b/src/libs/vpatterndb/variables/vlinelength_p.h
index 8d149e48c..2a38a2736 100644
--- a/src/libs/vpatterndb/variables/vlinelength_p.h
+++ b/src/libs/vpatterndb/variables/vlinelength_p.h
@@ -59,6 +59,9 @@ public:
     quint32 p1Id;
     quint32 p2Id;
     Unit    patternUnit;
+
+private:
+    VLengthLineData &operator=(const VLengthLineData &) Q_DECL_EQ_DELETE;
 };
 
 VLengthLineData::~VLengthLineData()
diff --git a/src/libs/vpatterndb/variables/vmeasurement_p.h b/src/libs/vpatterndb/variables/vmeasurement_p.h
index 96ec10969..c75828228 100644
--- a/src/libs/vpatterndb/variables/vmeasurement_p.h
+++ b/src/libs/vpatterndb/variables/vmeasurement_p.h
@@ -65,6 +65,9 @@ public:
     QString gui_text;
     QString _tagName;
     bool formulaOk;
+
+private:
+    VMeasurementData &operator=(const VMeasurementData &) Q_DECL_EQ_DELETE;
 };
 
 VMeasurementData::~VMeasurementData()
diff --git a/src/libs/vpatterndb/variables/vvariable_p.h b/src/libs/vpatterndb/variables/vvariable_p.h
index 9f948dce7..01e17d4f5 100644
--- a/src/libs/vpatterndb/variables/vvariable_p.h
+++ b/src/libs/vpatterndb/variables/vvariable_p.h
@@ -75,6 +75,9 @@ public:
 
     qreal baseSize;
     qreal baseHeight;
+
+private:
+    VVariableData &operator=(const VVariableData &) Q_DECL_EQ_DELETE;
 };
 
 VVariableData::~VVariableData()
diff --git a/src/libs/vpatterndb/vcontainer.h b/src/libs/vpatterndb/vcontainer.h
index 29cac76c4..094c1cb5e 100644
--- a/src/libs/vpatterndb/vcontainer.h
+++ b/src/libs/vpatterndb/vcontainer.h
@@ -84,6 +84,9 @@ public:
 
     const VTranslateVars *trVars;
     const Unit *patternUnit;
+
+private:
+    VContainerData &operator=(const VContainerData &) Q_DECL_EQ_DELETE;
 };
 
 #if defined(Q_CC_INTEL)
diff --git a/src/libs/vpatterndb/vdetail_p.h b/src/libs/vpatterndb/vdetail_p.h
index d8c45f90b..72aff357a 100644
--- a/src/libs/vpatterndb/vdetail_p.h
+++ b/src/libs/vpatterndb/vdetail_p.h
@@ -66,6 +66,9 @@ public:
 
     /** @brief my bias y axis. */
     qreal          my;
+
+private:
+    VDetailData &operator=(const VDetailData &) Q_DECL_EQ_DELETE;
 };
 
 #ifdef Q_CC_GNU
diff --git a/src/libs/vpatterndb/vnodedetail_p.h b/src/libs/vpatterndb/vnodedetail_p.h
index 0490a603d..82d634469 100644
--- a/src/libs/vpatterndb/vnodedetail_p.h
+++ b/src/libs/vpatterndb/vnodedetail_p.h
@@ -79,6 +79,9 @@ public:
    * @brief reverse true if need reverse points list for node.
    */
   bool        reverse;
+
+private:
+    VNodeDetailData &operator=(const VNodeDetailData &) Q_DECL_EQ_DELETE;
 };
 
 #ifdef Q_CC_GNU