1 files changed, 0 insertions, 1 deletions

diff --git a/bignum.c b/bignum.c
index 7bbe95b254..e0cc7c9f9c 100644
--- a/bignum.c
+++ b/bignum.c
@@ -12,7 +12,6 @@
 #include <math.h>
 #include <ctype.h>
 
-extern VALUE cInteger;
 VALUE cBignum;
 typedef unsigned short USHORT;