diff --git a/tests/validate.c b/tests/validate.c
index 96d5408..2087cc4 100644
--- a/tests/validate.c
+++ b/tests/validate.c
@@ -97,9 +97,6 @@
   double
     h;
 
-  /*
-    Convert HSI to RGB colorspace.
-  */
   h=360.0*hue;
   h-=360.0*floor(h/360.0);
   if (h < 120.0)
@@ -145,9 +142,6 @@
     alpha,
     beta;
 
-  /*
-    Convert RGB to HSI colorspace.
-  */
   *intensity=(QuantumScale*red+QuantumScale*green+QuantumScale*blue)/3.0;
   if (*intensity <= 0.0)
     {
@@ -173,9 +167,6 @@
     min,
     x;
 
-  /*
-    Convert HSL to RGB colorspace.
-  */
   h=hue*360.0;
   if (lightness <= 0.5)
     c=2.0*lightness*saturation;
@@ -253,9 +244,6 @@
     max,
     min;
 
-  /*
-    Convert RGB to HSL colorspace.
-  */
   max=MagickMax(QuantumScale*red,MagickMax(QuantumScale*green,
     QuantumScale*blue));
   min=MagickMin(QuantumScale*red,MagickMin(QuantumScale*green,
@@ -295,9 +283,6 @@
     min,
     x;
 
-  /*
-    Convert HSV to RGB colorspace.
-  */
   h=hue*360.0;
   c=value*saturation;
   min=value-c;
@@ -365,9 +350,6 @@
     g,
     r;
 
-  /*
-    Convert RGB to XYZ colorspace.
-  */
   r=QuantumScale*DecodePixelGamma(red);
   g=QuantumScale*DecodePixelGamma(green);
   b=QuantumScale*DecodePixelGamma(blue);
@@ -449,9 +431,6 @@
     g,
     r;
 
-  /*
-    Convert XYZ to RGB colorspace.
-  */
   r=3.2406*x-1.5372*y-0.4986*z;
   g=(-0.9689*x+1.8758*y+0.0415*z);
   b=0.0557*x-0.2040*y+1.0570*z;
@@ -475,9 +454,6 @@
 static void ConvertRGBToYPbPr(const double red,const double green,
   const double blue,double *Y,double *Pb,double *Pr)
 {
-  /*
-    Convert RGB to YPbPr colorspace.
-  */
   *Y=QuantumScale*(0.298839*red+0.586811*green+0.114350*blue);
   *Pb=QuantumScale*((-0.1687367)*red-0.331264*green+0.5*blue)+0.5;
   *Pr=QuantumScale*(0.5*red-0.418688*green-0.081312*blue)+0.5;
@@ -486,18 +462,12 @@
 static void ConvertRGBToYCbCr(const double red,const double green,
   const double blue,double *Y,double *Cb,double *Cr)
 {
-  /*
-    Convert RGB to YCbCr colorspace.
-  */
   ConvertRGBToYPbPr(red,green,blue,Y,Cb,Cr);
 }
 
 static void ConvertYPbPrToRGB(const double Y,const double Pb,const double Pr,
   double *red,double *green,double *blue)
 {
-  /*
-    Convert YPbPr to RGB colorspace.
-  */
   *red=QuantumRange*(0.99999999999914679361*Y-1.2188941887145875e-06*(Pb-0.5)+
     1.4019995886561440468*(Pr-0.5));
   *green=QuantumRange*(0.99999975910502514331*Y-0.34413567816504303521*(Pb-0.5)-
@@ -509,9 +479,6 @@
 static void ConvertYCbCrToRGB(const double Y,const double Cb,
   const double Cr,double *red,double *green,double *blue)
 {
-  /*
-    Convert YCbCr to RGB colorspace.
-  */
   ConvertYPbPrToRGB(Y,Cb,Cr,red,green,blue);
 }
 
@@ -530,9 +497,6 @@
     Y,
     Z;
 
-  /*
-    Convert LCHab to RGB colorspace.
-  */
   ConvertLCHabToXYZ(luma*100.0,255.0*(chroma-0.5),255.0*(hue-0.5),&X,&Y,&Z);
   ConvertXYZToRGB(X,Y,Z,red,green,blue);
 }
@@ -545,9 +509,6 @@
     max,
     min;
 
-  /*
-    Convert RGB to HSV colorspace.
-  */
   max=MagickMax(QuantumScale*red,MagickMax(QuantumScale*green,
     QuantumScale*blue));
   min=MagickMin(QuantumScale*red,MagickMin(QuantumScale*green,
@@ -626,9 +587,6 @@
 static inline void ConvertXYZToLMS(const double x,const double y,
   const double z,double *L,double *M,double *S)
 {
-  /*
-    Convert XYZ to LMS colorspace.
-  */
   *L=0.7328*x+0.4296*y-0.1624*z;
   *M=(-0.7036*x+1.6975*y+0.0061*z);
   *S=0.0030*x+0.0136*y+0.9834*z;
@@ -719,9 +677,6 @@
 static void ConvertRGBToYDbDr(const double red,const double green,
   const double blue,double *Y,double *Db,double *Dr)
 {
-  /*
-    Convert RGB to YDbDr colorspace.
-  */
   *Y=QuantumScale*(0.298839*red+0.586811*green+0.114350*blue);
   *Db=QuantumScale*(-0.450*red-0.883*green+1.333*blue)+0.5;
   *Dr=QuantumScale*(-1.333*red+1.116*green+0.217*blue)+0.5;
@@ -730,9 +685,6 @@
 static void ConvertYDbDrToRGB(const double Y,const double Db,const double Dr,
   double *red,double *green,double *blue)
 {
-  /*
-    Convert YDbDr to RGB colorspace.
-  */
   *red=QuantumRange*(Y+9.2303716147657e-05*(Db-0.5)-0.52591263066186533*
     (Dr-0.5));
   *green=QuantumRange*(Y-0.12913289889050927*(Db-0.5)+0.26789932820759876*
@@ -744,9 +696,6 @@
 static void ConvertRGBToYIQ(const double red,const double green,
   const double blue,double *Y,double *I,double *Q)
 {
-  /*
-    Convert RGB to YIQ colorspace.
-  */
   *Y=QuantumScale*(0.298839*red+0.586811*green+0.114350*blue);
   *I=QuantumScale*(0.595716*red-0.274453*green-0.321263*blue)+0.5;
   *Q=QuantumScale*(0.211456*red-0.522591*green+0.311135*blue)+0.5;
@@ -755,9 +704,6 @@
 static void ConvertYIQToRGB(const double Y,const double I,const double Q,
   double *red,double *green,double *blue)
 {
-  /*
-    Convert YIQ to RGB colorspace.
-  */
   *red=QuantumRange*(Y+0.9562957197589482261*(I-0.5)+0.6210244164652610754*
     (Q-0.5));
   *green=QuantumRange*(Y-0.2721220993185104464*(I-0.5)-0.6473805968256950427*
@@ -769,9 +715,6 @@
 static void ConvertRGBToYUV(const double red,const double green,
   const double blue,double *Y,double *U,double *V)
 {
-  /*
-    Convert RGB to YUV colorspace.
-  */
   *Y=QuantumScale*(0.298839*red+0.586811*green+0.114350*blue);
   *U=QuantumScale*((-0.147)*red-0.289*green+0.436*blue)+0.5;
   *V=QuantumScale*(0.615*red-0.515*green-0.100*blue)+0.5;
@@ -780,9 +723,6 @@
 static void ConvertYUVToRGB(const double Y,const double U,const double V,
   double *red,double *green,double *blue)
 {
-  /*
-    Convert YUV to RGB colorspace.
-  */
   *red=QuantumRange*(Y-3.945707070708279e-05*(U-0.5)+1.1398279671717170825*
     (V-0.5));
   *green=QuantumRange*(Y-0.3946101641414141437*(U-0.5)-0.5805003156565656797*