diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
index 162eca8..5c8da37 100644
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -162,11 +162,6 @@
 static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post,
     void *data);
 
-static char *ngx_http_fastcgi_upstream_max_fails_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf);
-static char *ngx_http_fastcgi_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf);
-
 
 static ngx_conf_post_t  ngx_http_fastcgi_lowat_post =
     { ngx_http_fastcgi_lowat_check };
@@ -399,20 +394,6 @@
       offsetof(ngx_http_fastcgi_loc_conf_t, upstream.next_upstream),
       &ngx_http_fastcgi_next_upstream_masks },
 
-    { ngx_string("fastcgi_upstream_max_fails"),
-      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
-      ngx_http_fastcgi_upstream_max_fails_unsupported,
-      0,
-      0,
-      NULL },
-
-    { ngx_string("fastcgi_upstream_fail_timeout"),
-      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
-      ngx_http_fastcgi_upstream_fail_timeout_unsupported,
-      0,
-      0,
-      NULL },
-
     { ngx_string("fastcgi_param"),
       NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
       ngx_conf_set_keyval_slot,
@@ -2749,29 +2730,3 @@
 
     return NGX_CONF_OK;
 }
-
-
-static char *
-ngx_http_fastcgi_upstream_max_fails_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf)
-{
-    ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-         "\"fastcgi_upstream_max_fails\" is not supported, "
-         "use the \"max_fails\" parameter of the \"server\" directive ",
-         "inside the \"upstream\" block");
-
-    return NGX_CONF_ERROR;
-}
-
-
-static char *
-ngx_http_fastcgi_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf)
-{
-    ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-         "\"fastcgi_upstream_fail_timeout\" is not supported, "
-         "use the \"fail_timeout\" parameter of the \"server\" directive ",
-         "inside the \"upstream\" block");
-
-    return NGX_CONF_ERROR;
-}
diff --git a/src/http/modules/ngx_http_memcached_module.c b/src/http/modules/ngx_http_memcached_module.c
index 607e319..745f73a 100644
--- a/src/http/modules/ngx_http_memcached_module.c
+++ b/src/http/modules/ngx_http_memcached_module.c
@@ -38,11 +38,6 @@
 static char *ngx_http_memcached_pass(ngx_conf_t *cf, ngx_command_t *cmd,
     void *conf);
 
-static char *ngx_http_memcached_upstream_max_fails_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf);
-static char *ngx_http_memcached_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf);
-
 
 static ngx_conf_bitmask_t  ngx_http_memcached_next_upstream_masks[] = {
     { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
@@ -105,20 +100,6 @@
       offsetof(ngx_http_memcached_loc_conf_t, upstream.next_upstream),
       &ngx_http_memcached_next_upstream_masks },
 
-    { ngx_string("memcached_upstream_max_fails"),
-      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
-      ngx_http_memcached_upstream_max_fails_unsupported,
-      0,
-      0,
-      NULL },
-
-    { ngx_string("memcached_upstream_fail_timeout"),
-      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
-      ngx_http_memcached_upstream_fail_timeout_unsupported,
-      0,
-      0,
-      NULL },
-
       ngx_null_command
 };
 
@@ -640,29 +621,3 @@
 
     return NGX_CONF_OK;
 }
-
-
-static char *
-ngx_http_memcached_upstream_max_fails_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf)
-{
-    ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-         "\"memcached_upstream_max_fails\" is not supported, "
-         "use the \"max_fails\" parameter of the \"server\" directive ",
-         "inside the \"upstream\" block");
-
-    return NGX_CONF_ERROR;
-}
-
-
-static char *
-ngx_http_memcached_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf)
-{
-    ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-         "\"memcached_upstream_fail_timeout\" is not supported, "
-         "use the \"fail_timeout\" parameter of the \"server\" directive ",
-         "inside the \"upstream\" block");
-
-    return NGX_CONF_ERROR;
-}
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 1db2657..29fd2a4 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -142,11 +142,6 @@
 
 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
 
-static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf);
-static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf);
-
 #if (NGX_HTTP_SSL)
 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf,
     ngx_http_proxy_loc_conf_t *plcf);
@@ -422,20 +417,6 @@
       offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
       &ngx_http_proxy_next_upstream_masks },
 
-    { ngx_string("proxy_upstream_max_fails"),
-      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
-      ngx_http_proxy_upstream_max_fails_unsupported,
-      0,
-      0,
-      NULL },
-
-    { ngx_string("proxy_upstream_fail_timeout"),
-      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
-      ngx_http_proxy_upstream_fail_timeout_unsupported,
-      0,
-      0,
-      NULL },
-
     { ngx_string("proxy_pass_header"),
       NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
       ngx_conf_set_str_array_slot,
@@ -2959,32 +2940,6 @@
 }
 
 
-static char *
-ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf)
-{
-    ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-         "\"proxy_upstream_max_fails\" is not supported, "
-         "use the \"max_fails\" parameter of the \"server\" directive ",
-         "inside the \"upstream\" block");
-
-    return NGX_CONF_ERROR;
-}
-
-
-static char *
-ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
-    ngx_command_t *cmd, void *conf)
-{
-    ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-         "\"proxy_upstream_fail_timeout\" is not supported, "
-         "use the \"fail_timeout\" parameter of the \"server\" directive ",
-         "inside the \"upstream\" block");
-
-    return NGX_CONF_ERROR;
-}
-
-
 #if (NGX_HTTP_SSL)
 
 static ngx_int_t