diff --git a/nixos/release-combined.nix b/nixos/release-combined.nix
index 4cc418f88881..090d8400f1cb 100644
--- a/nixos/release-combined.nix
+++ b/nixos/release-combined.nix
@@ -1,5 +1,4 @@
-{ nixpkgs ? { outPath = ./..; revCount = 5678; shortRev = "gfedcba"; }
-, officialRelease ? false
+{ nixpkgs ? { outPath = ./..; revCount = 56789; shortRev = "gfedcba"; }
 , stableBranch ? false
 , supportedSystems ? [ "x86_64-linux" "i686-linux" ]
 }:
@@ -19,12 +18,12 @@ let
 in rec {
 
   nixos = removeMaintainers (import ./release.nix {
-    inherit officialRelease stableBranch;
+    inherit stableBranch;
     nixpkgs = nixpkgsSrc;
   });
 
   nixpkgs = builtins.removeAttrs (removeMaintainers (import ../pkgs/top-level/release.nix {
-    inherit officialRelease supportedSystems;
+    inherit supportedSystems;
     nixpkgs = nixpkgsSrc;
   })) [ "unstable" ];
 
diff --git a/nixos/release.nix b/nixos/release.nix
index 4caabd97839e..30f87aaa4f2c 100644
--- a/nixos/release.nix
+++ b/nixos/release.nix
@@ -1,5 +1,4 @@
-{ nixpkgs ? { outPath = ./..; revCount = 5678; shortRev = "gfedcba"; }
-, officialRelease ? false
+{ nixpkgs ? { outPath = ./..; revCount = 56789; shortRev = "gfedcba"; }
 , stableBranch ? false
 , supportedSystems ? [ "x86_64-linux" "i686-linux" ]
 }:
@@ -8,8 +7,7 @@ let
 
   version = builtins.readFile ../.version;
   versionSuffix =
-    if officialRelease then ""
-    else (if stableBranch then "." else "pre") + "${toString nixpkgs.revCount}.${nixpkgs.shortRev}";
+    (if stableBranch then "." else "pre") + "${toString nixpkgs.revCount}.${nixpkgs.shortRev}";
 
   forAllSystems = pkgs.lib.genAttrs supportedSystems;