--- a/src/core/ngx_slab.c
+++ b/src/core/ngx_slab.c
@@ -4,41 +4,8 @@
  */
 
 
-typedef struct ngx_slab_map_s  ngx_slab_map_t;
 
-struct ngx_http_slab_map_s {
-    uintptr_t        mask;
-    ngx_slab_elt_t  *next;
-};
-
-
-typedef struct {
-    ngx_slab_elt_t  *slabs;
-
-    ngx_slab_elt_t  *map;
-    size_t           map_size;
-
-    size_t           size;
-
-} ngx_slab_t;
-
-
-void *
-ngx_slab_init(ngx_slab_pool_t *pool, size_t size)
+void *ngx_slab_alloc(ngx_slab_pool_t *pool, size_t size)
 {
-    slab->map_size = (slab->size + ngx_pagesize - 1)
-                          / (ngx_pagesize / sizeof(ngx_slab_map_t));
-
-
-    return NULL;
+   return NULL;
 }
-
-
-void *
-ngx_slab_alloc(ngx_slab_t *pool, size_t size)
-{
-    n = size - 1;
-
-
-    return NULL;
-}