2 files changed, 2 insertions, 6 deletions
diff --git a/regexp.h b/regexp.h
index 5d843584aa..502259fdb1 100644
--- a/regexp.h
+++ b/regexp.h
@@ -70,6 +70,7 @@ typedef struct regexp_paren_pair {
         /* what engine created this regexp? */				\
 	const struct regexp_engine* engine; 				\
 	REGEXP *mother_re; /* what re is this a lightweight copy of? */	\
+	HV *paren_names;   /* Optional hash of paren names */		\
 	/* Information about the match that the perl core uses to */	\
 	/* manage things */						\
 	U32 extflags;	/* Flags used both externally and internally */	\
@@ -103,14 +104,10 @@ typedef struct regexp_paren_pair {
 
 typedef struct regexp {
 	_XPV_HEAD;
-	union _xivu xiv_u;
 	_REGEXP_COMMON;
 } regexp;
 
-/*        HV *paren_names;	 Optional hash of paren names
-	  now stored in the IV union */
-
-#define RXp_PAREN_NAMES(rx)	((rx)->xiv_u.xivu_hv)
+#define RXp_PAREN_NAMES(rx)	((rx)->paren_names)
 
 /* used for high speed searches */
 typedef struct re_scream_pos_data_s
diff --git a/sv.h b/sv.h
index 7793e29d96..d5872c92f1 100644
--- a/sv.h
+++ b/sv.h
@@ -420,7 +420,6 @@ union _xivu {
     UV	    xivu_uv;
     I32	    xivu_i32;
     HEK *   xivu_namehek;	/* xpvlv, xpvgv: GvNAME */
-    HV *    xivu_hv;		/* regexp: paren_names */
 };
 
 union _xmgu {