diff --git a/pkgs/development/ruby-modules/gem/default.nix b/pkgs/development/ruby-modules/gem/default.nix
index 5bde59eab04d..d00ce7fccf5c 100644
--- a/pkgs/development/ruby-modules/gem/default.nix
+++ b/pkgs/development/ruby-modules/gem/default.nix
@@ -36,7 +36,6 @@ lib.makeOverridable (
     rubyName = builtins.parseDrvName ruby.name;
   in "${rubyName.name}${rubyName.version}-")
 , buildInputs ? []
-, doCheck ? false
 , meta ? {}
 , patches ? []
 , gemPath ? []
@@ -79,7 +78,6 @@ in
 
 stdenv.mkDerivation ((builtins.removeAttrs attrs ["source"]) // {
   inherit ruby;
-  inherit doCheck;
   inherit dontBuild;
   inherit dontStrip;
   inherit type;
@@ -96,8 +94,6 @@ stdenv.mkDerivation ((builtins.removeAttrs attrs ["source"]) // {
 
   inherit src;
 
-  phases = attrs.phases or [ "unpackPhase" "patchPhase" "buildPhase" "installPhase" "fixupPhase" ];
-
   unpackPhase = attrs.unpackPhase or ''
     runHook preUnpack