diff --git a/src/cmd/svgpic/plsvg.c b/src/cmd/svgpic/plsvg.c
index 3f342e68..7f6db9d4 100644
--- a/src/cmd/svgpic/plsvg.c
+++ b/src/cmd/svgpic/plsvg.c
@@ -288,14 +288,12 @@ void circle(double x, double y, double r)
 void spline(double x, double y, double n, ofloat *p, int attr, double ddval)
 {
 	int i;
-	double x1, y1, x2, y2;
+	double x1, y1;
 
 	printf("<path d=\"M %.3f %.3f", xconv(x), yconv(y));
 	x1 = 0;
 	y1 = 0;
 	for (i = 0; i < 2 * n; i += 2) {
-		x2 = x1;
-		y2 = y1;
 		x1 = x;
 		y1 = y;
 		x += p[i];