diff --git a/grep.h b/grep.h
index 6a1f0ab017..400172676a 100644
--- a/grep.h
+++ b/grep.h
@@ -136,7 +136,6 @@ struct grep_opt {
 
 	const char *prefix;
 	int prefix_length;
-	regex_t regexp;
 	int linenum;
 	int columnnum;
 	int invert;