@@ -1744,15 +1744,6 @@ is selected and passed to the output, otherwise it is discarded.

 The expression can contain the following constants:

 @table @option

-@item PI

-Greek PI

-

-@item PHI

-golden ratio

-

-@item E

-Euler number

-

 @item n

 the sequential number of the filtered frame, starting from 0

@@ -28,10 +28,6 @@

 #include "avfilter.h"

 static const char *var_names[] = {

-    "E",                 ///< Euler number

-    "PHI",               ///< golden ratio

-    "PI",                ///< greek pi

-

     "TB",                ///< timebase

     "pts",               ///< original pts in the file of the frame

@@ -69,10 +65,6 @@ static const char *var_names[] = {

 };

 enum var_name {

-    VAR_E,

-    VAR_PHI,

-    VAR_PI,

-

     VAR_TB,

     VAR_PTS,

@@ -146,10 +138,6 @@ static int config_input(AVFilterLink *inlink)

 {

     SelectContext *select = inlink->dst->priv;

-    select->var_values[VAR_E]   = M_E;

-    select->var_values[VAR_PHI] = M_PHI;

-    select->var_values[VAR_PI]  = M_PI;

-

     select->var_values[VAR_N]          = 0.0;

     select->var_values[VAR_SELECTED_N] = 0.0;