diff --git a/nixos/modules/rename.nix b/nixos/modules/rename.nix
index bc9ff9f63dd7..eb74b9bcac12 100644
--- a/nixos/modules/rename.nix
+++ b/nixos/modules/rename.nix
@@ -39,6 +39,7 @@ with lib;
     (mkRenamedOptionModule [ "services" "kubernetes" "apiserver" "address" ] ["services" "kubernetes" "apiserver" "bindAddress"])
     (mkRemovedOptionModule [ "services" "kubernetes" "apiserver" "publicAddress" ] "")
     (mkRenamedOptionModule [ "services" "kubernetes" "addons" "dashboard" "enableRBAC" ] [ "services" "kubernetes" "addons" "dashboard" "rbac" "enable" ])
+    (mkRemovedOptionModule [ "services" "kubernetes" "kubelet" "cadvisorPort" ] "")
     (mkRenamedOptionModule [ "services" "logstash" "address" ] [ "services" "logstash" "listenAddress" ])
     (mkRenamedOptionModule [ "services" "mpd" "network" "host" ] [ "services" "mpd" "network" "listenAddress" ])
     (mkRenamedOptionModule [ "services" "neo4j" "host" ] [ "services" "neo4j" "defaultListenAddress" ])
diff --git a/nixos/modules/services/cluster/kubernetes/default.nix b/nixos/modules/services/cluster/kubernetes/default.nix
index aeaa6bd66c99..e63d91eb9aca 100644
--- a/nixos/modules/services/cluster/kubernetes/default.nix
+++ b/nixos/modules/services/cluster/kubernetes/default.nix
@@ -622,13 +622,6 @@ in {
         type = types.bool;
       };
 
-      # TODO: remove this deprecated flag
-      cadvisorPort = mkOption {
-        description = "Kubernetes kubelet local cadvisor port.";
-        default = 4194;
-        type = types.int;
-      };
-
       clusterDns = mkOption {
         description = "Use alternative DNS.";
         default = "10.1.0.1";
@@ -862,7 +855,6 @@ in {
             --hostname-override=${cfg.kubelet.hostname} \
             --allow-privileged=${boolToString cfg.kubelet.allowPrivileged} \
             --root-dir=${cfg.dataDir} \
-            --cadvisor_port=${toString cfg.kubelet.cadvisorPort} \
             ${optionalString (cfg.kubelet.clusterDns != "")
               "--cluster-dns=${cfg.kubelet.clusterDns}"} \
             ${optionalString (cfg.kubelet.clusterDomain != "")
diff --git a/pkgs/applications/networking/cluster/kubernetes/default.nix b/pkgs/applications/networking/cluster/kubernetes/default.nix
index 96dab6aa66a1..776a1667514f 100644
--- a/pkgs/applications/networking/cluster/kubernetes/default.nix
+++ b/pkgs/applications/networking/cluster/kubernetes/default.nix
@@ -15,13 +15,13 @@ with lib;
 
 stdenv.mkDerivation rec {
   name = "kubernetes-${version}";
-  version = "1.11.3";
+  version = "1.12.0";
 
   src = fetchFromGitHub {
     owner = "kubernetes";
     repo = "kubernetes";
     rev = "v${version}";
-    sha256 = "1gwb5gs9l0adv3qc70wf8dwvbjh1mmgd3hh1jkwsbbnach28dvzb";
+    sha256 = "0bnfhrli9xqf7ygfq5i5p6nsgv7ic57b5b705zbqsxrc24pvsy4s";
   };
 
   buildInputs = [ removeReferencesTo makeWrapper which go_1_10 rsync go-bindata ];