diff --git a/deprecated/qtsegmentcontrol.cpp b/deprecated/qtsegmentcontrol.cpp
index 128d39f18..fd9f74b45 100644
--- a/deprecated/qtsegmentcontrol.cpp
+++ b/deprecated/qtsegmentcontrol.cpp
@@ -49,16 +49,6 @@ public:
        : position(OnlyOneSegment), selectedPosition(NotAdjacent) { }
     QtStyleOptionSegmentControlSegment(const QtStyleOptionSegmentControlSegment &other)
         : QStyleOption(Version, Type) { *this = other; }
-    QtStyleOptionSegmentControlSegment& operator=(const QtStyleOptionSegmentControlSegment &other)
-    {
-        QStyleOption::operator=(other);
-        text = other.text;
-        icon = other.icon;
-        iconSize = other.iconSize;
-        position = other.position;
-        selectedPosition = other.selectedPosition;
-        return *this;
-    }
 
 protected:
     QtStyleOptionSegmentControlSegment(int version);
diff --git a/src/Core/Measures.h b/src/Core/Measures.h
index 27d5d4826..a853072b4 100644
--- a/src/Core/Measures.h
+++ b/src/Core/Measures.h
@@ -41,15 +41,11 @@ public:
         for (int i = 0; i<MAX_MEASURES; i++) values[i] = 0.0;
     }
     Measure(const Measure &other) {
-        *this = other;
-    }
-    Measure& operator=(const Measure &other) {
         this->when = other.when;
         this->comment = other.comment;
         this->source = other.source;
         this->originalSource = other.originalSource;
         for (int i = 0; i<MAX_MEASURES; i++) this->values[i] = other.values[i];
-        return *this;
     }
     ~Measure() {}
 
diff --git a/src/FileIO/LocationInterpolation.h b/src/FileIO/LocationInterpolation.h
index bef8a9691..4dc7dc2e2 100644
--- a/src/FileIO/LocationInterpolation.h
+++ b/src/FileIO/LocationInterpolation.h
@@ -41,7 +41,6 @@ public:
     v3(double a, double b, double c) : m_t(a, b, c) {};
 
     v3(const v3& o) : m_t(o.m_t) {}
-    v3& operator=(const v3& o) { m_t = o.m_t; return *this; }
 
     double  x() const { return std::get<0>(m_t); }
     double  y() const { return std::get<1>(m_t); }
diff --git a/src/FileIO/RideFile.h b/src/FileIO/RideFile.h
index c368f0225..bf803e991 100644
--- a/src/FileIO/RideFile.h
+++ b/src/FileIO/RideFile.h
@@ -572,17 +572,13 @@ public:
             string[i]="";
         }
     }
-    XDataPoint(const XDataPoint &other) {
-        *this = other;
-    }
-    XDataPoint& operator=(const XDataPoint &other) {
+    XDataPoint (const XDataPoint &other) {
         this->secs=other.secs;
         this->km=other.km;
         for(int i=0; i<XDATA_MAXVALUES; i++) {
             this->number[i]= other.number[i];
             this->string[i]= other.string[i];
         }
-        return *this;
     }
 
     double secs, km;
@@ -593,8 +589,7 @@ public:
 class XDataSeries {
 public:
     XDataSeries() {}
-    XDataSeries(const XDataSeries& other) { *this = other; }
-    XDataSeries& operator=(const XDataSeries &other) {
+    XDataSeries(XDataSeries &other) {
         name = other.name;
         valuename = other.valuename;
         unitname = other.unitname;
@@ -604,7 +599,6 @@ public:
         foreach (XDataPoint *p, other.datapoints) {
             datapoints.push_back(new XDataPoint(*p));
         }
-        return *this;
     }
 
     ~XDataSeries() { foreach(XDataPoint *p, datapoints) delete p; }