diff --git a/epan/print.c b/epan/print.c
index 90648fe04a..074621ae01 100644
--- a/epan/print.c
+++ b/epan/print.c
@@ -119,19 +119,11 @@ static gboolean json_is_first;
    This helps break explicit dependency on the dissectors. */
 static int proto_data = -1;
 static int proto_frame = -1;
-static int hf_frame_arrival_time = -1;
-static int hf_frame_number = -1;
-static int hf_frame_len = -1;
-static int hf_frame_capture_len = -1;
 
 void print_cache_field_handles(void)
 {
     proto_data = proto_get_id_by_short_name("Data");
     proto_frame = proto_get_id_by_short_name("Frame");
-    hf_frame_arrival_time = proto_registrar_get_id_byname("frame.time");
-    hf_frame_number = proto_registrar_get_id_byname("frame.number");
-    hf_frame_len = proto_registrar_get_id_byname("frame.len");
-    hf_frame_capture_len = proto_registrar_get_id_byname("frame.cap_len");
 }
 
 gboolean