diff --git a/rtengine/curves.cc b/rtengine/curves.cc
index 857708811..d431478eb 100644
--- a/rtengine/curves.cc
+++ b/rtengine/curves.cc
@@ -695,29 +695,5 @@ namespace rtengine {
 	
 	//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 	
-	
-
-LUTf CurveFactory::gammatab;
-LUTf CurveFactory::igammatab_srgb;
-LUTf CurveFactory::gammatab_srgb;
-
-void CurveFactory::init () {
-	
-	gammatab(65536,0);
-	igammatab_srgb(65536,0);
-	gammatab_srgb(65536,0);
-
-  for (int i=0; i<65536; i++)
-    gammatab_srgb[i] = (65535.0 * gamma2 (i/65535.0));
-  for (int i=0; i<65536; i++)
-    igammatab_srgb[i] = (65535.0 * igamma2 (i/65535.0));
-  for (int i=0; i<65536; i++)
-    gammatab[i] = (65535.0 * pow (i/65535.0, 0.454545));
-    
-/*    FILE* f = fopen ("c.txt", "wt");
-    for (int i=0; i<256; i++)
-        fprintf (f, "%g %g\n", i/255.0, clower (i/255.0, 2.0, 1.0));
-    fclose (f);*/
-}
 
 }
diff --git a/rtengine/curves.h b/rtengine/curves.h
index ce60e9313..d2275ed26 100644
--- a/rtengine/curves.h
+++ b/rtengine/curves.h
@@ -46,12 +46,6 @@ class CurveFactory {
 
   protected:
 
-    // look-up tables for the standard srgb gamma and its inverse (filled by init())
-    static LUTf igammatab_srgb;
-    static LUTf gammatab_srgb;
-    // look-up tables for the simple exponential gamma
-    static LUTf gammatab;
-
     // functions calculating the parameters of the contrast curve based on the desired slope at the center
     static double solve_upper (double m, double c, double deriv);
     static double solve_lower (double m, double c, double deriv);
@@ -152,9 +146,6 @@ class CurveFactory {
 	}
 	//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-    static void init ();
-    static void cleanup ();
-
     static inline double centercontrast   (double x, double b, double m);
     
     // standard srgb gamma and its inverse
@@ -171,18 +162,7 @@ class CurveFactory {
     static inline double igamma           (double x, double gamma, double start, double slope, double mul, double add){
 											return (x <= start*slope ? x/slope : exp(log((x+add)/mul)*gamma) );
 										  }
-											
-    // gamma functions on [0,65535] based on look-up tables
-	static inline float    gamma_srgb       (int x) { return gammatab_srgb[x]; }
-	static inline float    gamma            (int x) { return gammatab[x]; }
-	static inline float    igamma_srgb      (int x) { return igammatab_srgb[x]; }
-	static inline float    gamma_srgb       (float x) { return gammatab_srgb[x]; }
-	static inline float    gamma            (float x) { return gammatab[x]; }
-	static inline float    igamma_srgb      (float x) { return igammatab_srgb[x]; }
-	//static inline float    gamma_srgb       (double x) { return gammatab_srgb[x]; }
-	//static inline float    gamma            (double x) { return gammatab[x]; }
-	//static inline float    igamma_srgb      (double x) { return igammatab_srgb[x]; }
-	
+
 	static inline float hlcurve (const float exp_scale, const float comp, const float hlrange, float level) 
 	{
 		if (comp>0.0) {
diff --git a/rtengine/init.cc b/rtengine/init.cc
index 0b88f5069..eb51703f5 100644
--- a/rtengine/init.cc
+++ b/rtengine/init.cc
@@ -22,7 +22,6 @@
 #include "dcp.h"
 #include "improcfun.h"
 #include "improccoordinator.h"
-#include "curves.h"
 #include "dfmanager.h"
 #include "ffmanager.h"
 #include "rtthumbnail.h"
@@ -44,7 +43,6 @@ int init (const Settings* s, Glib::ustring baseDir) {
 
     profileStore.init ();
     ProcParams::init ();
-    CurveFactory::init ();
     Color::init ();
     ImProcFunctions::initMunsell();
     ImProcFunctions::initCache ();
diff --git a/rtengine/rawimagesource.h b/rtengine/rawimagesource.h
index 9cf9b4f22..aaf59e514 100644
--- a/rtengine/rawimagesource.h
+++ b/rtengine/rawimagesource.h
@@ -154,7 +154,7 @@ class RawImageSource : public ImageSource {
         ColorTemp   getWB       () { return wb; }
         ColorTemp   getAutoWB   ();
         ColorTemp   getSpotWB   (std::vector<Coord2D> red, std::vector<Coord2D> green, std::vector<Coord2D>& blue, int tran);
-        bool        isWBProviderReady () { return rawData != NULL; };//TODO this generates compiler warning: converting to non-pointer type 'long long int' from NULL [-Wconversion-null]
+        bool        isWBProviderReady () { return rawData; }
 
         double      getDefGain  () { return defGain; }