1 files changed, 0 insertions, 2 deletions

diff --git a/ps.c b/ps.c
index 94a7086..ab8a158 100644
--- a/ps.c
+++ b/ps.c
@@ -9,8 +9,6 @@
 
 #include "puzzles.h"
 
-#define ROOT2 1.414213562
-
 struct psdata {
     FILE *fp;
     bool colour;