diff --git a/pkgs/applications/audio/i-score/default.nix b/pkgs/applications/audio/i-score/default.nix
deleted file mode 100644
index 2592c38e1428..000000000000
--- a/pkgs/applications/audio/i-score/default.nix
+++ /dev/null
@@ -1,85 +0,0 @@
-{
-  alsaLib,
-  boost,
-  cln,
-  cmake,
-  fetchFromGitHub,
-  gcc,
-  ginac,
-  jamomacore,
-  kdnssd,
-  libsndfile,
-  ninja,
-  portaudio,
-  portmidi,
-  qtbase,
-  qtdeclarative,
-  qtimageformats,
-  qtmultimedia,
-  qtquickcontrols2,
-  qtserialport,
-  qtsvg,
-  qttools,
-  qtwebsockets,
-  rtaudio,
-  lib, stdenv
-}:
-
-stdenv.mkDerivation rec {
-  version = "1.0.0-b31";
-  pname = "i-score";
-
-  src = fetchFromGitHub {
-    owner = "OSSIA";
-    repo = "i-score";
-    rev = "v${version}";
-    sha256 = "0g7s6n11w3wflrv5i2047dxx56lryms7xj0mznnlk5bii7g8dxzb";
-    fetchSubmodules = true;
-  };
-
-  buildInputs = [
-    alsaLib
-    boost
-    cln
-    cmake
-    ginac
-    gcc
-    jamomacore
-    kdnssd
-    libsndfile
-    ninja
-    portaudio
-    portmidi
-    qtbase
-    qtdeclarative
-    qtimageformats
-    qtmultimedia
-    qtquickcontrols2
-    qtserialport
-    qtsvg
-    qttools
-    qtwebsockets
-    rtaudio
-  ];
-
-  cmakeFlags = [
-    "-GNinja"
-    "-DISCORE_CONFIGURATION=static-release"
-    "-DISCORE_ENABLE_LTO=OFF"
-    "-DISCORE_BUILD_FOR_PACKAGE_MANAGER=True"
-  ];
-
-  preConfigure = ''
-    export CMAKE_PREFIX_PATH="''${CMAKE_PREFIX_PATH-}:$(echo "${jamomacore}/jamoma/share/cmake/Jamoma")"
-  '';
-
-  postInstall = ''rm $out/bin/i-score.sh'';
-
-  meta = {
-    description = "An interactive sequencer for the intermedia arts";
-    homepage = "http://i-score.org/";
-    license = lib.licenses.cecill20;
-    maintainers = [ lib.maintainers.magnetophon ];
-    platforms = lib.platforms.linux;
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 9f5d9678788f..7d3332c3a7c7 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -258,6 +258,7 @@ mapAliases ({
   inboxer = throw "inboxer has been removed as it is no longer maintained and no longer works as Google shut down the inbox service this package wrapped.";
   infiniband-diags = rdma-core; # added 2019-08-09
   inotifyTools = inotify-tools;
+  i-score = throw "i-score has been removed: abandoned upstream."; # added 2020-11-21
   jamomacore = throw "jamomacore has been removed: abandoned upstream."; # added 2020-11-21
   jasper = throw "jasper has been removed: abandoned upstream with many vulnerabilities";
   jbuilder = dune; # added 2018-09-09
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 83ecc8229f58..e711c940a2f3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5094,8 +5094,6 @@ in
 
   i2pd = callPackage ../tools/networking/i2pd { };
 
-  i-score = libsForQt514.callPackage ../applications/audio/i-score { };
-
   iasl = callPackage ../development/compilers/iasl { };
 
   iannix = libsForQt5.callPackage ../applications/audio/iannix { };