diff --git a/pkgs/tools/system/proot/default.nix b/pkgs/tools/system/proot/default.nix
index 19f88a0e5b28..f338521b87cd 100644
--- a/pkgs/tools/system/proot/default.nix
+++ b/pkgs/tools/system/proot/default.nix
@@ -16,10 +16,6 @@ stdenv.mkDerivation rec {
     substituteInPlace GNUmakefile --replace "/usr/local" "$out"
   '';
 
-  phases = [ "unpackPhase" "buildPhase" "installPhase" ];
-
-
-
   sourceRoot = "git-export/src";
 
   meta = with stdenv.lib; {