diff --git a/packages/oc311.nix b/packages/oc311.nix
index b4c7c5d..770bb27 100644
--- a/packages/oc311.nix
+++ b/packages/oc311.nix
@@ -4,8 +4,8 @@ stdenv.mkDerivation {
   name = "oc311";
   version = "3.11";
   src = fetchurl {
-    url = "https://github.com/openshift/origin/releases/download/v3.11.0/openshift-origin-client-tools-v3.11.0-0cbc58b-linux-64bit.tar.gz";
-    sha256 = "4b0f07428ba854174c58d2e38287e5402964c9a9355f6c359d1242efd0990da3";
+    url = "https://artifacts-openshift-release-3-11.svc.ci.openshift.org/zips/openshift-origin-client-tools-v3.11.0-8aa4c38-492-linux-64bit.tar.gz";
+    sha256 = "e8fde584995657e359ddaa5b25e70af2bde4cd494322c712a8cd46bfef00f07f";
   };
 
   nativeBuildInputs = [
diff --git a/packages/oc46.nix b/packages/oc46.nix
index 263db47..b24c8ee 100644
--- a/packages/oc46.nix
+++ b/packages/oc46.nix
@@ -4,8 +4,8 @@ stdenv.mkDerivation rec {
   name = "oc46";
   version = "4.6";
   src = fetchurl {
-    url = "https://github.com/openshift/okd/releases/download/4.6.0-0.okd-2021-02-14-205305/openshift-client-linux-4.6.0-0.okd-2021-02-14-205305.tar.gz";
-    sha256 = "741c456f1d5227eb40722b0dac328c78dceba5103fd306cf7fe57a9474eb3d35";
+    url = "https://mirror.openshift.com/pub/openshift-v4/clients/oc/${version}/linux/oc.tar.gz";
+    sha256 = "60de3dbb6cf085a201c5b9490a6d5066248bfd5d3c42486a8fd43abdbdb731e6";
   };
 
   nativeBuildInputs = [
diff --git a/packages/vaultsink.nix b/packages/vaultsink.nix
deleted file mode 100644
index 0f36856..0000000
--- a/packages/vaultsink.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-with import <nixpkgs> {};
-
-stdenv.mkDerivation rec {
-  name = "vaultsink";
-  version = "0.1.8";
-  src = fetchurl {
-    url = "https://github.com/cookiefactory/vault-sink/releases/download/v${version}/vault-sink-linux-amd64";
-    sha256 = "057799e7f907186993b591e3b2f743b69d7a9fed";
-  };
-
-  nativeBuildInputs = [
-    autoPatchelfHook
-  ];
-
-  installPhase = ''
-    install -m 755 -D vault-sink-linux-amd64 $out/bin/sink
-  '';
-
-  meta = with stdenv.lib; {
-    homepage = "https://github.com/cookiefactory/vault-sink";
-    description = "Vault Secret helper for yaml files";
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ foosinn ];
-  };
-}
diff --git a/roles/dev.nix b/roles/dev.nix
index 28de56d..b3cf5d0 100644
--- a/roles/dev.nix
+++ b/roles/dev.nix
@@ -24,8 +24,6 @@ in {
       requests
     ]))
 
-    mariadb-client
-
     emacs
     gitAndTools.delta
     ltrace