diff --git a/pkgs/by-name/va/vanillatd/package.nix b/pkgs/by-name/va/vanillatd/package.nix
index abc618638afb..4c336c2c1204 100644
--- a/pkgs/by-name/va/vanillatd/package.nix
+++ b/pkgs/by-name/va/vanillatd/package.nix
@@ -141,8 +141,7 @@ stdenv.mkDerivation (finalAttrs: {
           buildInputs = [ dataDerivation ] ++ finalAttrs.buildInputs;
           nativeBuildInputs = [ rsync ];
 
-          phases = [ "buildPhase" ];
-          buildPhase =
+          buildCommand =
             let
               Default_Data_Path =
                 if stdenv.hostPlatform.isDarwin then
diff --git a/pkgs/by-name/va/vanillatd/passthru-packages.nix b/pkgs/by-name/va/vanillatd/passthru-packages.nix
index 145871ef806e..f1d34e1d274f 100644
--- a/pkgs/by-name/va/vanillatd/passthru-packages.nix
+++ b/pkgs/by-name/va/vanillatd/passthru-packages.nix
@@ -8,10 +8,9 @@
 }:
 builtins.mapAttrs
   (
-    name: buildPhase:
+    name: buildCommand:
     stdenvNoCC.mkDerivation {
-      inherit name buildPhase;
-      phases = [ "buildPhase" ];
+      inherit name buildCommand;
       nativeBuildInputs = [ unar ];
       meta = {
         sourceProvenance = with lib.sourceTypes; [