diff --git a/src/http/ngx_http_cache.h b/src/http/ngx_http_cache.h
index 232f096..697c4d4 100644
--- a/src/http/ngx_http_cache.h
+++ b/src/http/ngx_http_cache.h
@@ -13,11 +13,7 @@
 #include <ngx_http.h>
 
 
-/**/
 #define NGX_HTTP_CACHE_STALE         1
-#define NGX_HTTP_CACHE_AGED          2
-#define NGX_HTTP_CACHE_THE_SAME      3
-/**/
 
 #define NGX_HTTP_CACHE_KEY_LEN       16
 
@@ -28,8 +24,6 @@
 } ngx_http_cache_valid_t;
 
 
-/* ngx_http_file_cache_node_t takes exactly 64 bytes on FreeBSD/i386 */
-
 typedef struct {
     ngx_rbtree_node_t                node;
     ngx_queue_t                      queue;
@@ -41,8 +35,8 @@
     unsigned                         uses:10;
     unsigned                         valid_msec:10;
     unsigned                         error:10;
-                                     /* 7 unused bits */
     unsigned                         exists:1;
+                                     /* 13 unused bits */
 
     ngx_file_uniq_t                  uniq;
     time_t                           expire;
diff --git a/src/http/ngx_http_file_cache.c b/src/http/ngx_http_file_cache.c
index 23e3503..0893c15 100644
--- a/src/http/ngx_http_file_cache.c
+++ b/src/http/ngx_http_file_cache.c
@@ -340,8 +340,6 @@
         return NGX_HTTP_CACHE_STALE;
     }
 
-    /* TODO: NGX_HTTP_CACHE_AGED */
-
     return NGX_OK;
 }