#define CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING   (1ULL<<58) /* New, v7 encoding */
 #define CEPH_FEATURE_FS_FILE_LAYOUT_V2       (1ULL<<58) /* file_layout_t */
 
-/*
- * The introduction of CEPH_FEATURE_OSD_SNAPMAPPER caused the feature
- * vector to evaluate to 64 bit ~0.  To cope, we designate 1ULL << 63
- * to mean 33 bit ~0, and introduce a helper below to do the
- * translation.
- *
- * This was introduced by ceph.git commit
- *   9ea02b84104045c2ffd7e7f4e7af512953855ecd v0.58-657-g9ea02b8
- * and fixed by ceph.git commit
- *   4255b5c2fb54ae40c53284b3ab700fdfc7e61748 v0.65-263-g4255b5c
- */
 #define CEPH_FEATURE_RESERVED (1ULL<<63)
 
-static inline u64 ceph_sanitize_features(u64 features)
-{
-       if (features & CEPH_FEATURE_RESERVED) {
-               /* everything through OSD_SNAPMAPPER */
-               return 0x1ffffffffull;
-       } else {
-               return features;
-       }
-}
-
 /*
  * Features supported.
  */
 
 {
        u64 sup_feat = from_msgr(con->msgr)->supported_features;
        u64 req_feat = from_msgr(con->msgr)->required_features;
-       u64 server_feat = ceph_sanitize_features(
-                               le64_to_cpu(con->in_reply.features));
+       u64 server_feat = le64_to_cpu(con->in_reply.features);
        int ret;
 
        dout("process_connect on %p tag %d\n", con, (int)con->in_tag);