@@ -1662,10 +1662,6 @@ The parameters @var{width} and @var{height} are expressions containing

 the following constants:

 @table @option

-@item E, PI, PHI

-the corresponding mathematical approximated values for e

-(euler number), pi (greek PI), phi (golden ratio)

-

 @item in_w, in_h

 the input width and height

@@ -32,9 +32,6 @@

 #include "libswscale/swscale.h"

 static const char *var_names[] = {

-    "PI",

-    "PHI",

-    "E",

     "in_w",   "iw",

     "in_h",   "ih",

     "out_w",  "ow",

@@ -48,9 +45,6 @@ static const char *var_names[] = {

 };

 enum var_name {

-    VAR_PI,

-    VAR_PHI,

-    VAR_E,

     VAR_IN_W,   VAR_IW,

     VAR_IN_H,   VAR_IH,

     VAR_OUT_W,  VAR_OW,

@@ -155,9 +149,6 @@ static int config_props(AVFilterLink *outlink)

     char *expr;

     int ret;

-    var_values[VAR_PI]    = M_PI;

-    var_values[VAR_PHI]   = M_PHI;

-    var_values[VAR_E]     = M_E;

     var_values[VAR_IN_W]  = var_values[VAR_IW] = inlink->w;

     var_values[VAR_IN_H]  = var_values[VAR_IH] = inlink->h;

     var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;