diff --git a/rtengine/procparams.cc b/rtengine/procparams.cc
index 1655c5eb5..148fc2906 100644
--- a/rtengine/procparams.cc
+++ b/rtengine/procparams.cc
@@ -123,10 +123,6 @@ RetinexParams::RetinexParams ()
 
 void RetinexParams::getDefaulttransmissionCurve(std::vector<double> &curve)
 {
-    /*   double v[8] =   {   0.0, 0.50, 0.35, 0.35,
-                           1.0, 0.50, 0.35, 0.35,
-                       };
-    */
     double v[12] =   {   0.00, 0.25, 0.35, 0.35,
                          0.60, 0.90, 0.35, 0.35,
                          1.00, 0.50, 0.35, 0.35,
@@ -141,40 +137,6 @@ void RetinexParams::getDefaulttransmissionCurve(std::vector<double> &curve)
     }
 }
 
-void RetinexParams::getDefaultCDCurve(std::vector<double> &curve)
-{
-    double v[4] = { 0., 0.,
-                 //    0.25, 0.25,
-                  //   0.5, 0.5,
-                 //    0.75, 0.75,
-                     1., 1.,
-                   };
-
-    curve.resize(5);
-    curve.at(0) = double(DCT_NURBS);
-
-    for (size_t i = 1; i < curve.size(); ++i) {
-        curve.at(i) = v[i - 1];
-    }
-}
-
-void RetinexParams::getDefaultCDHCurve(std::vector<double> &curve)
-{
-    double v[4] = { 0.00, 0.00,
-                  //   0.5, 0.5,
-                     1.0, 1.0,
-                   };
-
-    curve.resize(5);
-    curve.at(0) = double(DCT_NURBS);
-
-    for (size_t i = 1; i < curve.size(); ++i) {
-        curve.at(i) = v[i - 1];
-    }
-}
-
-
-
 void RetinexParams::setDefaults()
 {
     enabled = false;
@@ -185,13 +147,14 @@ void RetinexParams::setDefaults()
     offs    = 0;
     vart    = 125;
     limd = 8;
-    getDefaulttransmissionCurve(transmissionCurve);
-    getDefaultCDCurve(cdcurve);
-    getDefaultCDHCurve(cdHcurve);
     retinexMethod = "high";
     retinexcolorspace = "Lab";
     medianmap = true;
-
+    cdcurve.clear();
+    cdcurve.push_back(DCT_Linear);
+    cdHcurve.clear();
+    cdHcurve.push_back(DCT_Linear);
+    getDefaulttransmissionCurve(transmissionCurve);
 }
 
 void RetinexParams::getCurves(RetinextransmissionCurve &transmissionCurveLUT) const
diff --git a/rtengine/procparams.h b/rtengine/procparams.h
index 91dfbf7bc..08060dcec 100644
--- a/rtengine/procparams.h
+++ b/rtengine/procparams.h
@@ -287,9 +287,6 @@ public:
     void getCurves(RetinextransmissionCurve &transmissionCurveLUT) const;
 
     static void getDefaulttransmissionCurve(std::vector<double> &curve);
-    static void getDefaultCDCurve(std::vector<double> &curve);
-    static void getDefaultCDHCurve(std::vector<double> &curve);
-
 };
 
 
diff --git a/rtgui/retinex.cc b/rtgui/retinex.cc
index b1c290e14..76cb24675 100644
--- a/rtgui/retinex.cc
+++ b/rtgui/retinex.cc
@@ -53,11 +53,10 @@ Retinex::Retinex () : FoldableToolPanel(this, "retinex", M("TP_RETINEX_LABEL"),
     retinexVBox->pack_start(*dhbox);
     std::vector<double> defaultCurve;
 
+    // Histogram equalizer Lab curve
     curveEditorGD = new CurveEditorGroup (options.lastRetinexDir, M("TP_RETINEX_CONTEDIT_LAB"));
     curveEditorGD->setCurveListener (this);
-    rtengine::RetinexParams::getDefaultCDCurve(defaultCurve);
     cdshape = static_cast<DiagonalCurveEditor*>(curveEditorGD->addCurve(CT_Diagonal, M("TP_RETINEX_CURVEEDITOR_CD")));
-    cdshape->setResetCurve(DiagonalCurveType(defaultCurve.at(0)), defaultCurve);
     cdshape->setTooltip(M("TP_RETINEX_CURVEEDITOR_CD_TOOLTIP"));
     std::vector<GradientMilestone> milestones22;
 
@@ -68,11 +67,10 @@ Retinex::Retinex () : FoldableToolPanel(this, "retinex", M("TP_RETINEX_LABEL"),
 
     curveEditorGD->curveListComplete();
 
+    // Histogram equalizer HSL curve
     curveEditorGDH = new CurveEditorGroup (options.lastRetinexDir, M("TP_RETINEX_CONTEDIT_HSL"));
     curveEditorGDH->setCurveListener (this);
-    rtengine::RetinexParams::getDefaultCDHCurve(defaultCurve);
     cdshapeH = static_cast<DiagonalCurveEditor*>(curveEditorGDH->addCurve(CT_Diagonal, M("TP_RETINEX_CURVEEDITOR_CD")));
-    cdshapeH->setResetCurve(DiagonalCurveType(defaultCurve.at(0)), defaultCurve);
     cdshapeH->setTooltip(M("TP_RETINEX_CURVEEDITOR_CD_TOOLTIP"));
     std::vector<GradientMilestone> milestones22H;
 
@@ -84,6 +82,7 @@ Retinex::Retinex () : FoldableToolPanel(this, "retinex", M("TP_RETINEX_LABEL"),
     curveEditorGDH->curveListComplete();
 
 
+    // Transmission map curve
     transmissionCurveEditorG = new CurveEditorGroup (options.lastRetinexDir, M("TP_RETINEX_TRANSMISSION"));
     transmissionCurveEditorG->setCurveListener (this);