diff --git a/pkgs/development/java-modules/build-maven-package.nix b/pkgs/development/java-modules/build-maven-package.nix
index 432f972b0ff..baa2eed89c9 100644
--- a/pkgs/development/java-modules/build-maven-package.nix
+++ b/pkgs/development/java-modules/build-maven-package.nix
@@ -16,7 +16,7 @@ in stdenv.mkDerivation rec {
   find = ''find ${concatStringsSep " " (map (x: x + "/m2") flatDeps)} -type d -printf '%P\n' | xargs -I {} mkdir -p $out/m2/{}'';
   copy = ''cp -rsfu ${concatStringsSep " " (map (x: x + "/m2/*") flatDeps)} $out/m2'';
 
-  phases = [ "unpackPhase" "buildPhase" ];
+  dontInstall = true;
 
   buildPhase = ''
     mkdir -p $out/target