diff --git a/include/r3.h b/include/r3.h
index d62d21f..52c9bc9 100644
--- a/include/r3.h
+++ b/include/r3.h
@@ -33,9 +33,9 @@ struct _node {
     char * combined_pattern;
     pcre * pcre_pattern;
 
-#ifdef PCRE_STUDY_JIT_COMPILE
+// #ifdef PCRE_STUDY_JIT_COMPILE
     pcre_extra * pcre_extra;
-#endif
+// #endif
 
     // edges are mostly less than 255
     unsigned char    compare_type; // compare_type: pcre, opcode, string