diff --git a/src/cmd/grap/grapl.lx b/src/cmd/grap/grapl.lx
index 6d93f083..f22de6b4 100644
--- a/src/cmd/grap/grapl.lx
+++ b/src/cmd/grap/grapl.lx
@@ -9,8 +9,6 @@
 #include "grap.h"
 #include "y.tab.h"
 
-extern	struct	symtab	symtab[];
-
 int	yyback(int *, int);
 int	yylook(void);
 int	yywrap(void);