diff --git a/rtengine/procevents.h b/rtengine/procevents.h
index a4fa62af2..acafce8c1 100644
--- a/rtengine/procevents.h
+++ b/rtengine/procevents.h
@@ -55,22 +55,22 @@ enum ProcEvent {
     EvShrDAmount=30,
     EvShrDDamping=31,
     EvShrDIterations=32,
-    EvCBAvoidClip=33,
-    EvCBSatLimiter=34,
-    EvCBSatLimit=35,
-    EvCBBoost=36,
+    EvCBAvoidClip=33, // obsolete
+    EvCBSatLimiter=34,// obsolete
+    EvCBSatLimit=35,  // obsolete
+    EvCBBoost=36,     // obsolete
     EvWBMethod=37,
     EvWBTemp=38,
     EvWBGreen=39,
-    EvCShiftA=40,
-    EvCShiftB=41,
-    EvLDNEnabled=42,
-    EvLDNRadius=43,
-    EvLDNEdgeTolerance=44,
-    EvCDNEnabled=45,
-    EvCDNRadius=46,
-    EvCDNEdgeTolerance=47,
-    EvCDNEdgeSensitive=48,
+    EvCShiftA=40,     // obsolete
+    EvCShiftB=41,     // obsolete
+    EvLDNEnabled=42,  // obsolete
+    EvLDNRadius=43,   // obsolete
+    EvLDNEdgeTolerance=44, // obsolete
+    EvCDNEnabled=45,  // obsolete
+    EvCDNRadius=46,   // obsolete
+    EvCDNEdgeTolerance=47, // obsolete
+    EvCDNEdgeSensitive=48, // obsolete
     EvSHEnabled=49,
     EvSHHighlights=50,
     EvSHShadows=51,
@@ -106,8 +106,8 @@ enum ProcEvent {
     EvProfileChangeNotification=81,
     EvSHHighQuality=82,
     EvPerspCorr=83,
-    EvEqualizer=84,
-    EvEqlEnabled=85,
+    EvEqualizer=84, // obsolete
+    EvEqlEnabled=85,// obsolete
     EvIDNEnabled=86,
     EvIDNThresh=87,
     EvDPDNEnabled=88,
diff --git a/rtengine/refreshmap.cc b/rtengine/refreshmap.cc
index 03ee38e4a..b5a5f72ae 100644
--- a/rtengine/refreshmap.cc
+++ b/rtengine/refreshmap.cc
@@ -53,9 +53,22 @@ SHARPENING,       // EvShrDRadius,
 SHARPENING,       // EvShrDAmount,
 SHARPENING,       // EvShrDDamping,
 SHARPENING,       // EvShrDIterations,
+0,                // EvCBAvoidClip: obsolete
+0,                // EvCBSatLimiter: obsolete
+0,                // EvCBSatLimit: obsolete
+0,                // EvCBBoost: obsolete
 WHITEBALANCE,     // EvWBMethod,
 WHITEBALANCE,     // EvWBTemp,
 WHITEBALANCE,     // EvWBGreen,
+0,                // EvCShiftA: obsolete
+0,                // EvCShiftB: obsolete
+0,                // EvLDNEnabled: obsolete,
+0,                // EvLDNRadius: obsolete,
+0,                // EvLDNEdgeTolerance: obsolete,
+0,                // EvCDNEnabled:obsolete,
+0,                // EvCDNRadius: obsolete,
+0,                // EvCDNEdgeTolerance: obsolete,
+0,                // EvCDNEdgeSensitive: obsolete,
 RETINEX,          // EvSHEnabled,
 RGBCURVE,         // EvSHHighlights,
 RGBCURVE,         // EvSHShadows,
@@ -91,6 +104,8 @@ RESIZE,           // EvResizeEnabled
 ALL,              // EvProfileChangeNotification
 RETINEX,          // EvShrHighQuality
 TRANSFORM,        // EvPerspCorr
+0,                // EvEqualizer: obsolete
+0,                // EvEqlEnabled:obsolete
 IMPULSEDENOISE,   // EvIDNEnabled,
 IMPULSEDENOISE,   // EvIDNThresh,
 DIRPYRDENOISE,    // EvDPDNEnabled,