diff --git a/pkgs/applications/misc/obinskit/default.nix b/pkgs/applications/misc/obinskit/default.nix
index aa11c069a7a8..bbaa135f47e1 100644
--- a/pkgs/applications/misc/obinskit/default.nix
+++ b/pkgs/applications/misc/obinskit/default.nix
@@ -1,33 +1,24 @@
-{ lib
-, stdenv
+{ stdenv
 , fetchurl
-, xorg
 , libxkbcommon
 , systemd
-, gcc-unwrapped
+, xorg
 , electron_3
-, wrapGAppsHook
+, makeWrapper
 , makeDesktopItem
 }:
-
 let
-  libPath = lib.makeLibraryPath [
-    libxkbcommon
-    xorg.libXt
-    systemd.lib
-    stdenv.cc.cc.lib
-  ];
-
   desktopItem = makeDesktopItem rec {
     name = "Obinskit";
     exec = "obinskit";
-    icon = "obinskit.png";
+    icon = "obinskit";
     desktopName = "Obinskit";
     genericName = "Obinskit keyboard configurator";
     categories = "Utility";
   };
 
-in stdenv.mkDerivation rec {
+in
+stdenv.mkDerivation rec {
   pname = "obinskit";
   version = "1.1.4";
 
@@ -40,44 +31,33 @@ in stdenv.mkDerivation rec {
 
   sourceRoot = "ObinsKit_${version}_x64";
 
-  nativeBuildInputs = [ wrapGAppsHook ];
+  nativeBuildInputs = [ makeWrapper ];
 
   dontConfigure = true;
   dontBuild = true;
 
   installPhase = ''
     mkdir -p $out/opt/obinskit
-    install icudtl.dat $out/opt/obinskit/
-    install natives_blob.bin $out/opt/obinskit/
-    install v8_context_snapshot.bin $out/opt/obinskit/
-    install blink_image_resources_200_percent.pak $out/opt/obinskit/
-    install content_resources_200_percent.pak $out/opt/obinskit/
-    install content_shell.pak $out/opt/obinskit/
-    install ui_resources_200_percent.pak $out/opt/obinskit/
-    install views_resources_200_percent.pak $out/opt/obinskit/
+
     cp -r resources $out/opt/obinskit/
     cp -r locales $out/opt/obinskit/
 
-    mkdir -p $out/bin
-    ln -s ${electron_3}/bin/electron $out/bin/obinskit
-
     mkdir -p $out/share/{applications,pixmaps}
     install resources/icons/tray-darwin@2x.png $out/share/pixmaps/obinskit.png
     ln -s ${desktopItem}/share/applications/* $out/share/applications
   '';
 
-  preFixup = ''
-    gappsWrapperArgs+=(
-      --add-flags $out/opt/obinskit/resources/app.asar
-      --prefix LD_LIBRARY_PATH : "${libPath}"
-    )
+  postFixup = ''
+    makeWrapper ${electron_3}/bin/electron $out/bin/${pname} \
+      --add-flags $out/opt/obinskit/resources/app.asar \
+      --prefix LD_LIBRARY_PATH : "${stdenv.lib.makeLibraryPath [ stdenv.cc.cc.lib libxkbcommon systemd.lib xorg.libXt ]}"
   '';
 
-  meta = with lib; {
+  meta = with stdenv.lib; {
     description = "Graphical configurator for Anne Pro and Anne Pro II keyboards";
-    homepage = "http://en.obins.net/obinskit/";
+    homepage = "http://en.obins.net/obinskit/"; # https is broken
     license = licenses.unfree;
-    maintainers = [ maintainers.shou ];
+    maintainers = with maintainers; [ shou ];
     platforms = [ "x86_64-linux" ];
   };
 }
diff --git a/pkgs/development/tools/electron/3.x.nix b/pkgs/development/tools/electron/3.x.nix
deleted file mode 100644
index ee4b69ddca3c..000000000000
--- a/pkgs/development/tools/electron/3.x.nix
+++ /dev/null
@@ -1,77 +0,0 @@
-{ stdenv, libXScrnSaver, makeWrapper, fetchurl, unzip, atomEnv, gtk2, at-spi2-atk }:
-
-let
-  version = "3.1.13";
-  name = "electron-${version}";
-
-  throwSystem = throw "Unsupported system: ${stdenv.hostPlatform.system}";
-
-  meta = with stdenv.lib; {
-    description = "Cross platform desktop application shell";
-    homepage = "https://github.com/electron/electron";
-    license = licenses.mit;
-    maintainers = with maintainers; [ travisbhartwell manveru ];
-    platforms = [ "x86_64-darwin" "x86_64-linux" "i686-linux" "armv7l-linux" "aarch64-linux" ];
-  };
-
-  linux = {
-    inherit name version meta;
-    src = {
-      i686-linux = fetchurl {
-        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-ia32.zip";
-        sha256 = "04i0rcp4ajp4nf4arcl5crcc7a85sf0ixqd8jx07k2b1irv4dc23";
-      };
-      x86_64-linux = fetchurl {
-        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-x64.zip";
-        sha256 = "1psmbplz6jhnnf6hmfhxbmmhn4n1dpnhzbc12pxn645xhfpk9ark";
-      };
-      armv7l-linux = fetchurl {
-        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-armv7l.zip";
-        sha256 = "1pzs2cj12xw18jwab0mb8xhndwd95lbsj5ml5xdw2mb0ip5jsvsa";
-      };
-      aarch64-linux = fetchurl {
-        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-arm64.zip";
-        sha256 = "13pc7xn0dkb8i31vg9zplqcvb7r9r7q3inmr3419b5p9bl0687x8";
-      };
-    }.${stdenv.hostPlatform.system} or throwSystem;
-
-    buildInputs = [ unzip makeWrapper ];
-
-    buildCommand = ''
-      mkdir -p $out/lib/electron $out/bin
-      unzip -d $out/lib/electron $src
-      ln -s $out/lib/electron/electron $out/bin
-
-      fixupPhase
-
-      patchelf \
-        --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-        --set-rpath "${atomEnv.libPath}:${gtk2}/lib:${at-spi2-atk}/lib:$out/lib/electron" \
-        $out/lib/electron/electron
-
-      wrapProgram $out/lib/electron/electron \
-        --prefix LD_PRELOAD : ${stdenv.lib.makeLibraryPath [ libXScrnSaver ]}/libXss.so.1
-    '';
-  };
-
-  darwin = {
-    inherit name version meta;
-
-    src = fetchurl {
-      url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-darwin-x64.zip";
-      sha256 = "1vvjm4jifzjqvbs2kjlwg1h9p2czr2b5imjr9hld1j8nyfrzb0dx";
-    };
-
-    buildInputs = [ unzip ];
-
-    buildCommand = ''
-      mkdir -p $out/Applications
-      unzip $src
-      mv Electron.app $out/Applications
-      mkdir -p $out/bin
-      ln -s $out/Applications/Electron.app/Contents/MacOS/Electron $out/bin/electron
-    '';
-  };
-in
-
-  stdenv.mkDerivation (if stdenv.isDarwin then darwin else linux)
diff --git a/pkgs/development/tools/electron/default.nix b/pkgs/development/tools/electron/default.nix
index 7c8a223fe40f..14f9c209537d 100644
--- a/pkgs/development/tools/electron/default.nix
+++ b/pkgs/development/tools/electron/default.nix
@@ -4,6 +4,14 @@ let
   mkElectron = import ./generic.nix args;
 in
 {
+  electron_3 = mkElectron "3.1.13" {
+    x86_64-linux = "1psmbplz6jhnnf6hmfhxbmmhn4n1dpnhzbc12pxn645xhfpk9ark";
+    x86_64-darwin = "1vvjm4jifzjqvbs2kjlwg1h9p2czr2b5imjr9hld1j8nyfrzb0dx";
+    i686-linux = "04i0rcp4ajp4nf4arcl5crcc7a85sf0ixqd8jx07k2b1irv4dc23";
+    armv7l-linux = "1pzs2cj12xw18jwab0mb8xhndwd95lbsj5ml5xdw2mb0ip5jsvsa";
+    aarch64-linux = "13pc7xn0dkb8i31vg9zplqcvb7r9r7q3inmr3419b5p9bl0687x8";
+  };
+
   electron_4 = mkElectron "4.2.12" {
     x86_64-linux = "72c5319c92baa7101bea3254a036c0cd3bcf257f4a03a0bb153668b7292ee2dd";
     x86_64-darwin = "89b0e16bb9b7072ed7ed1906fccd08540acdd9f42dd8a29c97fa17d811b8c5e5";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 89817e1c9015..53588d825fca 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9989,9 +9989,7 @@ in
   aws-adfs = with python3Packages; toPythonApplication aws-adfs;
 
   inherit (callPackages ../development/tools/electron { })
-    electron_4 electron_5 electron_6 electron_7 electron_8 electron_9;
-
-  electron_3 = callPackage ../development/tools/electron/3.x.nix { };
+    electron_3 electron_4 electron_5 electron_6 electron_7 electron_8 electron_9;
   electron = electron_4;
 
   autobuild = callPackage ../development/tools/misc/autobuild { };