--- a/src/core/ngx_palloc.c
+++ b/src/core/ngx_palloc.c
@@ -193,46 +193,6 @@ ngx_pcalloc(ngx_pool_t *pool, size_t siz
 }
 
 
-void *
-ngx_shalloc(size_t size)
-{
-    u_char  *p;
-
-    if (size < sizeof(int) || (size & 1)) {
-        p = ngx_cycle->shm_last;
-
-    } else {
-        p = ngx_align_ptr(ngx_cycle->shm_last, NGX_ALIGNMENT);
-    }
-
-    if ((size_t) (ngx_cycle->shm_end - p) >= size) {
-        ngx_cycle->shm_last = p + size;
-        return p;
-    }
-
-    ngx_log_error(NGX_LOG_EMERG, ngx_cycle->log, 0,
-                  "allocation of %uz bytes in shared memory failed, "
-                  "only %uz are available",
-                  size, ngx_cycle->shm_end - ngx_cycle->shm_last);
-
-    return NULL;
-}
-
-
-void *
-ngx_shcalloc(size_t size)
-{
-    void *p;
-
-    p = ngx_shalloc(size);
-    if (p) {
-        ngx_memzero(p, size);
-    }
-
-    return p;
-}
-
-
 ngx_pool_cleanup_t *
 ngx_pool_cleanup_add(ngx_pool_t *p, size_t size)
 {