1 files changed, 0 insertions, 26 deletions
diff --git a/contrib/groff/libgroff/prime.cc b/contrib/groff/libgroff/prime.cc
deleted file mode 100644
index f0b1eadcc68be..0000000000000
--- a/contrib/groff/libgroff/prime.cc
+++ /dev/null
@@ -1,26 +0,0 @@
-#include <math.h>
-
-int is_prime(unsigned n)
-{
-  if (n <= 3)
-    return 1;
-  if (!(n & 1))
-    return 0;
-  if (n % 3 == 0)
-    return 0;
-  unsigned lim = unsigned(sqrt((double)n));
-  unsigned d = 5;
-  for (;;) {
-    if (d > lim)
-      break;
-    if (n % d == 0)
-      return 0;
-    d += 2;
-    if (d > lim)
-      break;
-    if (n % d == 0)
-      return 0;
-    d += 4;
-  }
-  return 1;
-}