diff --git a/src/detect.h b/src/detect.h
index 7408ec8edc..2348c54e67 100644
--- a/src/detect.h
+++ b/src/detect.h
@@ -587,8 +587,6 @@ typedef struct SignatureInitData_ {
     /** address settings for this signature */
     const DetectAddressHead *src, *dst;
 
-    int prefilter_list;
-
     /* holds built-in sm lists */
     struct SigMatch_ *smlists[DETECT_SM_LIST_MAX];
     /* holds built-in sm lists' tails */