diff --git a/imap/caldav_db.c b/imap/caldav_db.c
index 404f300b5e..d26de534ea 100644
--- a/imap/caldav_db.c
+++ b/imap/caldav_db.c
@@ -1523,11 +1523,9 @@ EXPORTED void caldav_jscal_filter_by_before(struct caldav_jscal_filter* f,
 {
     if (before) {
         f->before = *before;
-        f->_have_before = 1;
     }
     else {
         f->before = 0;
-        f->_have_before = 0;
     }
 }
 
@@ -1536,11 +1534,9 @@ EXPORTED void caldav_jscal_filter_by_after(struct caldav_jscal_filter* f,
 {
     if (after) {
         f->after = *after;
-        f->_have_after = 1;
     }
     else {
         f->after = 0;
-        f->_have_after = 0;
     }
 }
 
diff --git a/imap/caldav_db.h b/imap/caldav_db.h
index d9e73bdce5..6ae9217dd6 100644
--- a/imap/caldav_db.h
+++ b/imap/caldav_db.h
@@ -238,9 +238,6 @@ struct caldav_jscal_filter {
 
     enum caldav_jscal_filterop op;
     ptrarray_t subfilters;
-
-    int _have_after : 1;
-    int _have_before: 1;
 };
 
 #define CALDAV_JSCAL_FILTER_INITIALIZER { \