diff --git a/bin/feedgnuplot b/bin/feedgnuplot
index 8fa7364..84ba483 100755
--- a/bin/feedgnuplot
+++ b/bin/feedgnuplot
@@ -104,7 +104,7 @@ sub interpretCommandline
              'circles', 'legend=s{2}', 'autolegend!', 'xlabel=s', 'ylabel=s', 'y2label=s', 'zlabel=s',
              'title=s', 'xlen=f', 'ymin=f', 'ymax=f', 'xmin=f', 'xmax=f', 'y2min=f', 'y2max=f',
              'zmin=f', 'zmax=f', 'y2=s@', 'curvestyle=s{2}', 'curvestyleall=s', 'extracmds=s@',
-             'size=s', 'square!', 'square_xy!', 'hardcopy=s', 'maxcurves=i', 'monotonic!',
+             'square!', 'square_xy!', 'hardcopy=s', 'maxcurves=i', 'monotonic!',
              'histogram=s@', 'binwidth=f', 'histstyle=s',
              'terminal=s',
              'extraValuesPerPoint=i', 'help', 'dump',
@@ -355,15 +355,13 @@ sub mainThread
       # set a square aspect ratio. Gnuplot does this differently for 2D and 3D plots
       if(! $options{'3d'})
       {
-        $options{size} = '' unless defined $options{size};
-        $options{size} .= ' ratio -1';
+        print(PIPE "set size ratio -1\n");
       }
       else
       {
         print(PIPE "set view equal xyz\n");
       }
     }
-    print(PIPE "set size $options{size}\n")                     if defined $options{size};
 
     if($options{square_xy})
     {
diff --git a/bin/feedgnuplot.pod b/bin/feedgnuplot.pod
index 121308b..fe18551 100644
--- a/bin/feedgnuplot.pod
+++ b/bin/feedgnuplot.pod
@@ -329,8 +329,6 @@ As an example, if line 3 of the input is "0 9 1 20"
                        for instance. Can be passed multiple times, or passed a comma-
                        separated list
 
-  --size  xxx          Gnuplot size option
-
   --square             Plot data with aspect ratio 1. For 3D plots, this controls the
                        aspect ratio for all 3 axes
 
diff --git a/completions/bash/feedgnuplot b/completions/bash/feedgnuplot
index 7f86eb3..b571d63 100644
--- a/completions/bash/feedgnuplot
+++ b/completions/bash/feedgnuplot
@@ -27,7 +27,6 @@ complete -W                                     \
     --y2                                        \
     --curvestyleall                             \
     --extracmds                                 \
-    --size                                      \
     --square                                    \
     --square_xy                                 \
     --hardcopy                                  \
diff --git a/completions/zsh/_feedgnuplot b/completions/zsh/_feedgnuplot
index c84ca31..1da88c9 100644
--- a/completions/zsh/_feedgnuplot
+++ b/completions/zsh/_feedgnuplot
@@ -28,7 +28,6 @@ _arguments -S
     '*--y2:plot to place on the Y2 axis:'                                               \
     '--curvestyleall[Additional styles for ALL curves]:'                                \
     '*--extracmds[Additional gnuplot commands]:'                                        \
-    '--size[Gnuplot size option]:'                                                      \
     '--square[Plot data with square aspect ratio]'                                      \
     '--square_xy[For 3D plots, set square aspect ratio for ONLY the x,y axes]'          \
     '--hardcopy[Plot to a file]:'                                                       \