diff --git a/rtgui/rawcacorrection.cc b/rtgui/rawcacorrection.cc
index 5ad5d30a3..8dd96e3a4 100644
--- a/rtgui/rawcacorrection.cc
+++ b/rtgui/rawcacorrection.cc
@@ -28,8 +28,8 @@ RAWCACorr::RAWCACorr () : FoldableToolPanel(this, "rawcacorrection", M("TP_CHROM
 {
     auto m = ProcEventMapper::getInstance();
     EvPreProcessCAAutoiterations = m->newEvent(DARKFRAME, "HISTORY_MSG_RAWCACORR_AUTOIT");
-    EvPreProcessCAColourshift = m->newEvent(DARKFRAME, "HISTORY_MSG_RAWCACORR_COLOURSHIFT");
-    EvPreProcessCAColourshiftHistory = m->newEvent(M_VOID, "HISTORY_MSG_RAWCACORR_COLOURSHIFT");
+//    EvPreProcessCAColourshift = m->newEvent(DARKFRAME, "HISTORY_MSG_RAWCACORR_COLOURSHIFT");
+//    EvPreProcessCAColourshiftHistory = m->newEvent(M_VOID, "HISTORY_MSG_RAWCACORR_COLOURSHIFT");
 
     Gtk::Image* icaredL =   Gtk::manage (new RTImage ("circle-red-cyan-small.png"));
     Gtk::Image* icaredR =   Gtk::manage (new RTImage ("circle-cyan-red-small.png"));
diff --git a/rtgui/rawcacorrection.h b/rtgui/rawcacorrection.h
index 1c1ced53b..566f93e03 100644
--- a/rtgui/rawcacorrection.h
+++ b/rtgui/rawcacorrection.h
@@ -35,8 +35,8 @@ protected:
 //    CheckBox* caAvoidcolourshift;
 
     rtengine::ProcEvent EvPreProcessCAAutoiterations;
-    rtengine::ProcEvent EvPreProcessCAColourshift;
-    rtengine::ProcEvent EvPreProcessCAColourshiftHistory;
+//    rtengine::ProcEvent EvPreProcessCAColourshift;
+//    rtengine::ProcEvent EvPreProcessCAColourshiftHistory;
 
 public: