diff --git a/nixos/doc/manual/release-notes/rl-2305.section.md b/nixos/doc/manual/release-notes/rl-2305.section.md
index c79647962b9..e0eff137873 100644
--- a/nixos/doc/manual/release-notes/rl-2305.section.md
+++ b/nixos/doc/manual/release-notes/rl-2305.section.md
@@ -156,6 +156,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - Nebula now runs as a system user and group created for each nebula network, using the `CAP_NET_ADMIN` ambient capability on launch rather than starting as root. Ensure that any files each Nebula instance needs to access are owned by the correct user and group, by default `nebula-${networkName}`.
 
+- The `i18n.inputMethod.fcitx` option has been replaced with `i18n.inputMethod.fcitx5` because fcitx 4 `pkgs.fcitx` has been removed.
+
 - In `mastodon` it is now necessary to specify location of file with `PostgreSQL` database password. In `services.mastodon.database.passwordFile` parameter default value `/var/lib/mastodon/secrets/db-password` has been changed to `null`.
 
 - The `--target-host` and `--build-host` options of `nixos-rebuild` no longer treat the `localhost` value specially – to build on/deploy to local machine, omit the relevant flag.
diff --git a/nixos/modules/i18n/input-method/default.md b/nixos/modules/i18n/input-method/default.md
index 05ae12065c3..42cb8a8d7b6 100644
--- a/nixos/modules/i18n/input-method/default.md
+++ b/nixos/modules/i18n/input-method/default.md
@@ -9,7 +9,7 @@ than there are keys on the keyboard.
 The following input methods are available in NixOS:
 
   - IBus: The intelligent input bus.
-  - Fcitx: A customizable lightweight input method.
+  - Fcitx5: The next generation of fcitx, addons (including engines, dictionaries, skins) can be added using `i18n.inputMethod.fcitx5.addons`.
   - Nabi: A Korean input method based on XIM.
   - Uim: The universal input method, is a library with a XIM bridge.
   - Hime: An extremely easy-to-use input method framework.
@@ -67,38 +67,40 @@ application in the Nix store. The `glib` packages must
 match exactly. If they do not, uninstalling and reinstalling the
 application is a likely fix.
 
-## Fcitx {#module-services-input-methods-fcitx}
+## Fcitx5 {#module-services-input-methods-fcitx}
 
-Fcitx is an input method framework with extension support. It has three
+Fcitx5 is an input method framework with extension support. It has three
 built-in Input Method Engine, Pinyin, QuWei and Table-based input methods.
 
 The following snippet can be used to configure Fcitx:
 
 ```
 i18n.inputMethod = {
-  enabled = "fcitx";
-  fcitx.engines = with pkgs.fcitx-engines; [ mozc hangul m17n ];
+  enabled = "fcitx5";
+  fcitx5.addons = with pkgs; [ fcitx5-mozc fcitx5-hangul fcitx5-m17n ];
 };
 ```
 
-`i18n.inputMethod.fcitx.engines` is optional and can be
-used to add extra Fcitx engines.
+`i18n.inputMethod.fcitx5.addons` is optional and can be
+used to add extra Fcitx5 addons.
 
-Available extra Fcitx engines are:
+Available extra Fcitx5 addons are:
 
-  - Anthy (`fcitx-engines.anthy`): Anthy is a system for
+  - Anthy (`fcitx5-anthy`): Anthy is a system for
     Japanese input method. It converts Hiragana text to Kana Kanji mixed text.
-  - Chewing (`fcitx-engines.chewing`): Chewing is an
+  - Chewing (`fcitx5-chewing`): Chewing is an
     intelligent Zhuyin input method. It is one of the most popular input
     methods among Traditional Chinese Unix users.
-  - Hangul (`fcitx-engines.hangul`): Korean input method.
-  - Unikey (`fcitx-engines.unikey`): Vietnamese input method.
-  - m17n (`fcitx-engines.m17n`): m17n is an input method that
+  - Hangul (`fcitx5-hangul`): Korean input method.
+  - Unikey (`fcitx5-unikey`): Vietnamese input method.
+  - m17n (`fcitx5-m17n`): m17n is an input method that
     uses input methods and corresponding icons in the m17n database.
-  - mozc (`fcitx-engines.mozc`): A Japanese input method from
+  - mozc (`fcitx5-mozc`): A Japanese input method from
     Google.
-  - table-others (`fcitx-engines.table-others`): Various
+  - table-others (`fcitx5-table-other`): Various
     table-based input methods.
+  - chinese-addons (`fcitx5-chinese-addons`): Various chinese input methods.
+  - rime (`fcitx5-rime`): RIME support for fcitx5.
 
 ## Nabi {#module-services-input-methods-nabi}
 
diff --git a/nixos/modules/i18n/input-method/default.nix b/nixos/modules/i18n/input-method/default.nix
index 5f803b4f2ee..d967d4335c7 100644
--- a/nixos/modules/i18n/input-method/default.nix
+++ b/nixos/modules/i18n/input-method/default.nix
@@ -29,9 +29,9 @@ in
   options.i18n = {
     inputMethod = {
       enabled = mkOption {
-        type    = types.nullOr (types.enum [ "ibus" "fcitx" "fcitx5" "nabi" "uim" "hime" "kime" ]);
+        type    = types.nullOr (types.enum [ "ibus" "fcitx5" "nabi" "uim" "hime" "kime" ]);
         default = null;
-        example = "fcitx";
+        example = "fcitx5";
         description = lib.mdDoc ''
           Select the enabled input method. Input methods is a software to input symbols that are not available on standard input devices.
 
@@ -40,7 +40,6 @@ in
           Currently the following input methods are available in NixOS:
 
           - ibus: The intelligent input bus, extra input engines can be added using `i18n.inputMethod.ibus.engines`.
-          - fcitx: A customizable lightweight input method, extra input engines can be added using `i18n.inputMethod.fcitx.engines`.
           - fcitx5: The next generation of fcitx, addons (including engines, dictionaries, skins) can be added using `i18n.inputMethod.fcitx5.addons`.
           - nabi: A Korean input method based on XIM. Nabi doesn't support Qt 5.
           - uim: The universal input method, is a library with a XIM bridge. uim mainly support Chinese, Japanese and Korean.
diff --git a/nixos/modules/i18n/input-method/fcitx.nix b/nixos/modules/i18n/input-method/fcitx.nix
deleted file mode 100644
index 043ec3d55c1..00000000000
--- a/nixos/modules/i18n/input-method/fcitx.nix
+++ /dev/null
@@ -1,46 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-with lib;
-
-let
-  cfg = config.i18n.inputMethod.fcitx;
-  fcitxPackage = pkgs.fcitx.override { plugins = cfg.engines; };
-  fcitxEngine = types.package // {
-    name  = "fcitx-engine";
-    check = x: (lib.types.package.check x) && (attrByPath ["meta" "isFcitxEngine"] false x);
-  };
-in
-{
-  options = {
-
-    i18n.inputMethod.fcitx = {
-      engines = mkOption {
-        type    = with types; listOf fcitxEngine;
-        default = [];
-        example = literalExpression "with pkgs.fcitx-engines; [ mozc hangul ]";
-        description =
-          let
-            enginesDrv = filterAttrs (const isDerivation) pkgs.fcitx-engines;
-            engines = concatStringsSep ", "
-              (map (name: "`${name}`") (attrNames enginesDrv));
-          in
-            lib.mdDoc "Enabled Fcitx engines. Available engines are: ${engines}.";
-      };
-    };
-
-  };
-
-  config = mkIf (config.i18n.inputMethod.enabled == "fcitx") {
-    i18n.inputMethod.package = fcitxPackage;
-
-    environment.variables = {
-      GTK_IM_MODULE = "fcitx";
-      QT_IM_MODULE  = "fcitx";
-      XMODIFIERS    = "@im=fcitx";
-    };
-    services.xserver.displayManager.sessionCommands = "${fcitxPackage}/bin/fcitx";
-  };
-
-  # uses attributes of the linked package
-  meta.buildDocsInSandbox = false;
-}
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 945b053f7cd..70be24a754d 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -103,7 +103,6 @@
   ./hardware/xone.nix
   ./hardware/xpadneo.nix
   ./i18n/input-method/default.nix
-  ./i18n/input-method/fcitx.nix
   ./i18n/input-method/fcitx5.nix
   ./i18n/input-method/hime.nix
   ./i18n/input-method/ibus.nix
diff --git a/nixos/modules/rename.nix b/nixos/modules/rename.nix
index 2849b23fa2c..158c7934195 100644
--- a/nixos/modules/rename.nix
+++ b/nixos/modules/rename.nix
@@ -107,6 +107,8 @@ with lib;
     (mkRemovedOptionModule [ "services" "riak" ] "The corresponding package was removed from nixpkgs.")
     (mkRemovedOptionModule [ "services" "cryptpad" ] "The corresponding package was removed from nixpkgs.")
 
+    (mkRemovedOptionModule [ "i18n" "inputMethod" "fcitx" ] "The fcitx module has been removed. Plesae use fcitx5 instead")
+
     # Do NOT add any option renames here, see top of the file
   ];
 }
diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index 7fa1dcbdcdb..cdd9e00d258 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -218,7 +218,7 @@ in {
   extra-python-packages = handleTest ./extra-python-packages.nix {};
   evcc = handleTest ./evcc.nix {};
   fancontrol = handleTest ./fancontrol.nix {};
-  fcitx = handleTest ./fcitx {};
+  fcitx5 = handleTest ./fcitx5 {};
   fenics = handleTest ./fenics.nix {};
   ferm = handleTest ./ferm.nix {};
   firefox = handleTest ./firefox.nix { firefoxPackage = pkgs.firefox; };
diff --git a/nixos/tests/fcitx/config b/nixos/tests/fcitx/config
deleted file mode 100644
index 169768994e2..00000000000
--- a/nixos/tests/fcitx/config
+++ /dev/null
@@ -1,12 +0,0 @@
-[Hotkey]
-SwitchKey=Disabled
-IMSwitchHotkey=ALT_SHIFT
-TimeInterval=240
-
-[Program]
-DelayStart=5
-
-[Output]
-
-[Appearance]
-
diff --git a/nixos/tests/fcitx/profile b/nixos/tests/fcitx/profile
deleted file mode 100644
index 77497a1496b..00000000000
--- a/nixos/tests/fcitx/profile
+++ /dev/null
@@ -1,4 +0,0 @@
-[Profile]
-IMName=zhengma-large
-EnabledIMList=fcitx-keyboard-us:True,zhengma-large:True,m17n_sa_harvard-kyoto:True
-PreeditStringInClientWindow=False
diff --git a/nixos/tests/fcitx5/config b/nixos/tests/fcitx5/config
new file mode 100644
index 00000000000..cf4334639f1
--- /dev/null
+++ b/nixos/tests/fcitx5/config
@@ -0,0 +1,11 @@
+[Hotkey]
+EnumerateSkipFirst=False
+
+[Hotkey/TriggerKeys]
+0=Control+space
+
+[Hotkey/EnumerateForwardKeys]
+0=Alt+Shift_L
+
+[Hotkey/EnumerateBackwardKeys]
+0=Alt+Shift_R
diff --git a/nixos/tests/fcitx/default.nix b/nixos/tests/fcitx5/default.nix
similarity index 52%
rename from nixos/tests/fcitx/default.nix
rename to nixos/tests/fcitx5/default.nix
index c132249fcb2..261a5f1f45c 100644
--- a/nixos/tests/fcitx/default.nix
+++ b/nixos/tests/fcitx5/default.nix
@@ -1,64 +1,48 @@
-import ../make-test-python.nix (
+import ../make-test-python.nix ({ pkgs, ... }:
+# copy_from_host works only for store paths
+rec {
+  name = "fcitx5";
+  nodes.machine = { pkgs, ... }:
   {
-    pkgs, ...
-  }:
-    # copy_from_host works only for store paths
-    rec {
-        name = "fcitx";
-        meta.broken = true; # takes hours to time out since October 2021
-        nodes.machine =
-        {
-          pkgs,
-          ...
-        }:
-          {
+    imports = [
+      ../common/user-account.nix
+    ];
 
-            imports = [
-              ../common/user-account.nix
-            ];
+    environment.systemPackages = [
+      # To avoid clashing with xfce4-terminal
+      pkgs.alacritty
+    ];
 
-            environment.systemPackages = [
-              # To avoid clashing with xfce4-terminal
-              pkgs.alacritty
-            ];
+    services.xserver = {
+      enable = true;
 
+      displayManager = {
+        lightdm.enable = true;
+        autoLogin = {
+          enable = true;
+          user = "alice";
+        };
+      };
 
-            services.xserver =
-            {
-              enable = true;
+      desktopManager.xfce.enable = true;
+    };
 
-              displayManager = {
-                lightdm.enable = true;
-                autoLogin = {
-                  enable = true;
-                  user = "alice";
-                };
-              };
+    i18n.inputMethod = {
+      enabled = "fcitx5";
+      fcitx5.addons = [
+        pkgs.fcitx5-m17n
+        pkgs.fcitx5-chinese-addons
+      ];
+    };
+  };
 
-              desktopManager.xfce.enable = true;
-            };
-
-            i18n = {
-              inputMethod = {
-                enabled = "fcitx";
-                fcitx.engines = [
-                  pkgs.fcitx-engines.m17n
-                  pkgs.fcitx-engines.table-extra
-                ];
-              };
-            };
-          }
-        ;
-
-        testScript = { nodes, ... }:
-        let
-            user = nodes.machine.config.users.users.alice;
-            userName      = user.name;
-            userHome      = user.home;
-            xauth         = "${userHome}/.Xauthority";
-            fcitx_confdir = "${userHome}/.config/fcitx";
-        in
-        ''
+  testScript = { nodes, ... }:
+    let
+      user = nodes.machine.users.users.alice;
+      xauth         = "${user.home}/.Xauthority";
+      fcitx_confdir = "${user.home}/.config/fcitx5";
+    in
+      ''
             # We need config files before login session
             # So copy first thing
 
@@ -75,13 +59,13 @@ import ../make-test-python.nix (
 
             start_all()
 
-            machine.wait_for_file("${xauth}")
+            machine.wait_for_file("${xauth}}")
             machine.succeed("xauth merge ${xauth}")
 
             machine.sleep(5)
 
-            machine.succeed("su - ${userName} -c 'alacritty&'")
-            machine.succeed("su - ${userName} -c 'fcitx&'")
+            machine.succeed("su - ${user.name} -c 'alacritty&'")
+            machine.succeed("su - ${user.name} -c 'fcitx5&'")
             machine.sleep(10)
 
             ### Type on terminal
@@ -109,8 +93,10 @@ import ../make-test-python.nix (
             machine.send_key("ctrl-spc")
             machine.sleep(1)
 
-            ### Default zhengma, enter 一下
-            machine.send_chars("a2")
+            ### Default wubi, enter 一下
+            machine.send_chars("gggh")
+            machine.sleep(1)
+            machine.send_key("\n")
             machine.sleep(1)
 
             ### Switch to Harvard Kyoto
@@ -134,9 +120,8 @@ import ../make-test-python.nix (
             machine.screenshot("terminal_chars")
 
             ### Verify that file contents are as expected
-            file_content = machine.succeed("cat ${userHome}/fcitx_test.out")
+            file_content = machine.succeed("cat ${user.home}/fcitx_test.out")
             assert file_content == "☺一下क\n"
             ''
-    ;
-  }
-)
+  ;
+})
diff --git a/nixos/tests/fcitx5/profile b/nixos/tests/fcitx5/profile
new file mode 100644
index 00000000000..55e7b7b459f
--- /dev/null
+++ b/nixos/tests/fcitx5/profile
@@ -0,0 +1,15 @@
+[Groups/0]
+Name=NixOS_test
+Default Layout=us
+DefaultIM=wbx
+
+[Groups/0/Items/0]
+Name=wbx
+Layout=us
+
+[Groups/0/Items/1]
+Name=m17n_sa_harvard-kyoto
+Layout=us
+
+[GroupOrder]
+0=NixOS_test
diff --git a/pkgs/applications/terminal-emulators/mlterm/default.nix b/pkgs/applications/terminal-emulators/mlterm/default.nix
index 817042a7bcf..d27e5bec1ac 100644
--- a/pkgs/applications/terminal-emulators/mlterm/default.nix
+++ b/pkgs/applications/terminal-emulators/mlterm/default.nix
@@ -3,7 +3,7 @@
 , harfbuzz #substituting glyphs with opentype fonts
 , fribidi, m17n_lib #bidi and encoding
 , openssl, libssh2 #build-in ssh
-, fcitx, ibus, uim #IME
+, fcitx5, fcitx5-gtk, ibus, uim #IME
 , wrapGAppsHook #color picker in mlconfig
 , Cocoa #Darwin
 }:
@@ -37,7 +37,8 @@ stdenv.mkDerivation rec {
     vte
     m17n_lib
 
-    fcitx
+    fcitx5
+    fcitx5-gtk
     ibus
   ] ++ lib.optionals (stdenv.system != "aarch64-linux") [
     # FIXME Currently broken on aarch64-linux
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-anthy/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-anthy/default.nix
deleted file mode 100644
index 74553dcebbb..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-anthy/default.nix
+++ /dev/null
@@ -1,28 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, fcitx, anthy, gettext, pkg-config }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-anthy";
-  version = "0.2.4";
-
-  src = fetchurl {
-    url = "http://download.fcitx-im.org/fcitx-anthy/${pname}-${version}.tar.xz";
-    sha256 = "sha256-Hxhs2RXuFf/bhczcQ3+Zj+gI3+Z4BEfIzMIfUOUNX7M=";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ fcitx anthy gettext ];
-
-  preInstall = ''
-    substituteInPlace src/cmake_install.cmake \
-      --replace ${fcitx} $out
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    description   = "Fcitx Wrapper for anthy";
-    license       = licenses.gpl2Plus;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ ericsagnes ];
-  };
-
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-chewing/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-chewing/default.nix
deleted file mode 100644
index defbe616ab2..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-chewing/default.nix
+++ /dev/null
@@ -1,32 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, fcitx, gettext, libchewing, pkg-config }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-chewing";
-  version = "0.2.3";
-
-  src = fetchurl {
-    url = "http://download.fcitx-im.org/fcitx-chewing/${pname}-${version}.tar.xz";
-    sha256 = "1w5smp5zvjx681cp1znjypyr9sw5x6v0wnsk8a7ncwxi9q9wf4xk";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ fcitx gettext libchewing ];
-
-  preInstall = ''
-   substituteInPlace src/cmake_install.cmake \
-      --replace ${fcitx} $out
-   substituteInPlace data/cmake_install.cmake \
-      --replace ${fcitx} $out
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    homepage      = "https://github.com/fcitx/fcitx-chewing";
-    downloadPage  = "http://download.fcitx-im.org/fcitx-chewing/";
-    description   = "Fcitx engine for chewing";
-    license       = licenses.gpl2;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ ericsagnes ];
-  };
-
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-cloudpinyin/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-cloudpinyin/default.nix
deleted file mode 100644
index d84407e982b..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-cloudpinyin/default.nix
+++ /dev/null
@@ -1,29 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, pkg-config, fcitx, gettext, curl }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-cloudpinyin";
-  version = "0.3.7";
-
-  src = fetchurl {
-    url = "http://download.fcitx-im.org/fcitx-cloudpinyin/${pname}-${version}.tar.xz";
-    sha256 = "0ai347wv3qdjzcbh0j9hdjpzwvh2kk57324xbxq37nzagrdgg5x0";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ fcitx gettext curl ];
-
-  preInstall = ''
-    substituteInPlace src/cmake_install.cmake \
-      --replace ${fcitx} $out
-    substituteInPlace po/cmake_install.cmake \
-      --replace ${fcitx} $out
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    description  = "A standalone module for fcitx that uses web API to provide better pinyin result";
-    homepage     = "https://github.com/fcitx/fcitx-cloudpinyin";
-    license      = licenses.gpl3Plus;
-    platforms    = platforms.linux;
-  };
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-hangul/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-hangul/default.nix
deleted file mode 100644
index d99a0228e22..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-hangul/default.nix
+++ /dev/null
@@ -1,31 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, fcitx, libhangul, gettext, pkg-config }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-hangul";
-  version = "0.3.1";
-
-  src = fetchurl {
-    url = "http://download.fcitx-im.org/fcitx-hangul/${pname}-${version}.tar.xz";
-    sha256 = "0ds4071ljq620w7vnprm2jl8zqqkw7qsxvzbjapqak4jarczvmbd";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ fcitx libhangul gettext ];
-
-  preInstall = ''
-    substituteInPlace src/cmake_install.cmake \
-      --replace ${fcitx} $out
-    substituteInPlace data/cmake_install.cmake \
-      --replace ${fcitx} $out
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    homepage      = "https://github.com/fcitx/fcitx-hangul";
-    downloadPage  = "http://download.fcitx-im.org/fcitx-hangul/";
-    description   = "Fcitx Wrapper for hangul";
-    license       = licenses.gpl2;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ ericsagnes ];
-  };
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-libpinyin/datapath.patch b/pkgs/tools/inputmethods/fcitx-engines/fcitx-libpinyin/datapath.patch
deleted file mode 100644
index 84dd5fc8f46..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-libpinyin/datapath.patch
+++ /dev/null
@@ -1,16 +0,0 @@
---- a/src/utils.cpp
-+++ b/src/utils.cpp
-@@ -9,12 +9,7 @@ char* FcitxLibPinyinGetSysPath(LIBPINYIN_LANGUAGE_TYPE type)
- #ifdef LIBPINYIN_TOOLS_FOUND
-     if (type == LPLT_Simplified) {
- #endif
--        /* portable detect here */
--        if (getenv("FCITXDIR")) {
--            syspath = fcitx_utils_get_fcitx_path_with_filename("datadir", "libpinyin/data");
--        } else {
--            syspath = strdup(LIBPINYIN_PKGDATADIR "/data");
--        }
-+        syspath = strdup(LIBPINYIN_PKGDATADIR "/data");
- #ifdef LIBPINYIN_TOOLS_FOUND
-     }
-     else {
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-libpinyin/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-libpinyin/default.nix
deleted file mode 100644
index 422b1148d05..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-libpinyin/default.nix
+++ /dev/null
@@ -1,55 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, pkg-config, fcitx, gettext, libpinyin, glib, pcre, dbus, qtwebengine, qtbase, fcitx-qt5 }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-libpinyin";
-  version = "0.5.4";
-
-  src = fetchurl {
-    url = "http://download.fcitx-im.org/fcitx-libpinyin/${pname}-${version}.tar.xz";
-    sha256 = "1wvsc21imbgq3chlxfw4aycmkb2vi1bkjj9frvhga2m5b5pq82k5";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config  ];
-  buildInputs = [ fcitx-qt5 qtbase qtwebengine.dev fcitx gettext libpinyin glib pcre dbus ];
-
-  # With a typical installation via NixOS option i18n.inputMethod.fcitx.engines,
-  # the FCITXDIR environment variable is set to $out of fcitx-with-plugins,
-  # which leads to an incorrect path for pinyin data.
-  #
-  # It is impossible or difficult to fix this issue without patching. We want
-  # FCITXDIR to point into libpinyin, which is currently not symlinked within
-  # fcitx-with-plugins (only fcitx-libpinyin is symlinked). Also, FCITXDIR
-  # doesn't accept multiple directories.
-  patches = [ ./datapath.patch ];
-
-  preInstall = ''
-    substituteInPlace src/cmake_install.cmake \
-      --replace ${fcitx} $out
-    substituteInPlace data/cmake_install.cmake \
-      --replace ${fcitx} $out
-    substituteInPlace dictmanager/cmake_install.cmake \
-      --replace ${fcitx} $out
-  '';
-
-  preBuild = let
-    ZHUYIN_DATA_FILE_NAME = "model.text.20161206.tar.gz";
-    store_path = fetchurl {
-      url = "https://download.fcitx-im.org/data/${ZHUYIN_DATA_FILE_NAME}";
-      sha256 = "017p11si1b7bkwx36xaybq5a9icq1pd7x1jbymqw92akfgjj8w2w";
-    };
-  in
-    ''
-      cp -rv ${store_path} $NIX_BUILD_TOP/$name/data/${ZHUYIN_DATA_FILE_NAME}
-    '';
-
-  dontWrapQtApps = true;
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    description  = "Fcitx Wrapper for libpinyin, Library to deal with pinyin";
-    homepage     = "https://github.com/fcitx/fcitx-libpinyin";
-    license      = licenses.gpl3Plus;
-    maintainers = with maintainers; [ ericsagnes ];
-    platforms    = platforms.linux;
-  };
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-m17n/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-m17n/default.nix
deleted file mode 100644
index 31a73555988..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-m17n/default.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, fcitx, gettext, m17n_lib, m17n_db, pkg-config }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-m17n";
-  version = "0.2.4";
-
-  src = fetchurl {
-    url = "http://download.fcitx-im.org/fcitx-m17n/${pname}-${version}.tar.xz";
-    sha256 = "15s52h979xz967f8lm0r0qkplig2w3wjck1ymndbg9kvj25ib0ng";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ fcitx gettext m17n_lib m17n_db ];
-
-  preInstall = ''
-    substituteInPlace im/cmake_install.cmake \
-    --replace ${fcitx} $out
-    '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    homepage      = "https://github.com/fcitx/fcitx-m17n";
-    downloadPage  = "http://download.fcitx-im.org/fcitx-table-other/";
-    description   = "Fcitx wrapper for m17n";
-    license       = licenses.gpl3Plus;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ ericsagnes ];
-  };
-
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-mozc/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-mozc/default.nix
deleted file mode 100644
index 269611f4bd7..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-mozc/default.nix
+++ /dev/null
@@ -1,113 +0,0 @@
-{ lib, clangStdenv, fetchFromGitHub, fetchurl, fetchpatch, gyp, which, ninja,
-  python, pkg-config, protobuf, gtk2, zinnia, qt5, libxcb, tegaki-zinnia-japanese,
-  fcitx, gettext }:
-let
-  japanese_usage_dictionary = fetchFromGitHub {
-    owner  = "hiroyuki-komatsu";
-    repo   = "japanese-usage-dictionary";
-    rev    = "e5b3425575734c323e1d947009dd74709437b684";
-    sha256 = "0pyrpz9c8nxccwpgyr36w314mi8h132cis8ijvlqmmhqxwsi30hm";
-  };
-  icons = fetchurl {
-    url    = "http://download.fcitx-im.org/fcitx-mozc/fcitx-mozc-icon.tar.gz";
-    sha256 = "10bdjn481jsh32vll7r756l392anz44h6207vjqwby3rplk31np1";
-  };
-in clangStdenv.mkDerivation rec {
-  pname = "fcitx-mozc";
-  version = "2.23.2815.102";
-
-  src = fetchFromGitHub {
-    owner  = "google";
-    repo   = "mozc";
-    rev    = "afb03ddfe72dde4cf2409863a3bfea160f7a66d8";
-    sha256 = "0w2dy2j9x5nc7x3g95j17r3m60vbfyn5j617h7js9xryv33yzpgx";
-  };
-
-  nativeBuildInputs = [ gyp which ninja python pkg-config qt5.wrapQtAppsHook ];
-  buildInputs = [ protobuf gtk2 zinnia qt5.qtbase libxcb fcitx gettext ];
-
-  postUnpack = ''
-    rmdir $sourceRoot/src/third_party/japanese_usage_dictionary/
-    ln -s ${japanese_usage_dictionary} $sourceRoot/src/third_party/japanese_usage_dictionary
-    tar -xzf ${icons} -C $sourceRoot/src
-  '';
-
-  patch_version = "${version}.1";
-  patches = [
-    (fetchpatch rec {
-      name   = "fcitx-mozc-${patch_version}.patch";
-      url    = "https://download.fcitx-im.org/fcitx-mozc/${name}";
-      sha256 = "0a8q3vzcbai1ccdrl6qdb81gvbw8aby4lqkl6qs9hg68p6zg42hg";
-     })
-    # https://github.com/google/mozc/pull/444 - fix for gcc8 STL
-    (fetchpatch {
-      url = "https://github.com/google/mozc/commit/82d38f929882a9c62289b179c6fe41efed249987.patch";
-      sha256 = "07cja1b7qfsd3i76nscf1zwiav74h7d6h2g9g2w4bs3h1mc9jwla";
-    })
-    # Support dates after 2019
-    (fetchpatch {
-      url = "https://salsa.debian.org/debian/mozc/-/raw/master/debian/patches/add_support_new_japanese_era.patch";
-      sha256 = "1dsiiglrmm8i8shn2hv0j2b8pv6miysjrimj4569h606j4lwmcw2";
-    })
-  ];
-
-  postPatch = ''
-    substituteInPlace src/unix/fcitx/mozc.conf \
-      --replace "/usr/share/fcitx/mozc/icon/mozc.png" "mozc"
-  '';
-
-  configurePhase = ''
-    export GYP_DEFINES="document_dir=$out/share/doc/mozc use_libzinnia=1 use_libprotobuf=1 use_fcitx5=0 zinnia_model_file=${tegaki-zinnia-japanese}/share/tegaki/models/zinnia/handwriting-ja.model"
-    cd src && python build_mozc.py gyp --gypdir=${gyp}/bin --server_dir=$out/lib/mozc
-  '';
-
-  buildPhase = ''
-    PYTHONPATH="$PWD:$PYTHONPATH" python build_mozc.py build -c Release \
-      server/server.gyp:mozc_server \
-      gui/gui.gyp:mozc_tool \
-      unix/fcitx/fcitx.gyp:fcitx-mozc
-  '';
-
-  installPhase = ''
-    install -d        $out/share/licenses/fcitx-mozc
-    head -n 29 server/mozc_server.cc > $out/share/licenses/fcitx-mozc/LICENSE
-    install -m 644    data/installer/*.html             $out/share/licenses/fcitx-mozc/
-
-    install -d        $out/share/doc/mozc
-    install -m    644 data/installer/*.html             $out/share/doc/mozc/
-
-    install -D -m 755 out_linux/Release/mozc_server     $out/lib/mozc/mozc_server
-    install    -m 755 out_linux/Release/mozc_tool       $out/lib/mozc/mozc_tool
-
-    wrapQtApp $out/lib/mozc/mozc_tool
-
-    install -D -m 755 out_linux/Release/fcitx-mozc.so   $out/lib/fcitx/fcitx-mozc.so
-    install -D -m 644 unix/fcitx/fcitx-mozc.conf        $out/share/fcitx/addon/fcitx-mozc.conf
-    install -D -m 644 unix/fcitx/mozc.conf              $out/share/fcitx/inputmethod/mozc.conf
-
-    install -d        $out/share/doc/mozc
-
-    for mofile in out_linux/Release/gen/unix/fcitx/po/*.mo
-    do
-      filename=`basename $mofile`
-      lang=$filename.mo
-      install -D -m 644 "$mofile" "$out/share/locale/$lang/LC_MESSAGES/fcitx-mozc.mo"
-    done
-
-    install -d        $out/share/fcitx/imicon
-    install    -m 644 fcitx-mozc-icons/mozc.png      $out/share/fcitx/imicon/mozc.png
-    install -d        $out/share/fcitx/mozc/icon
-    install    -m 644 fcitx-mozc-icons/*.png                 $out/share/fcitx/mozc/icon/
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    description   = "Fcitx engine for Google japanese input method";
-    homepage      = "https://github.com/google/mozc";
-    downloadPage  = "http://download.fcitx-im.org/fcitx-mozc/";
-    license       = licenses.free;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ gebner ericsagnes ];
-  };
-
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-rime/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-rime/default.nix
deleted file mode 100644
index 65363b26270..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-rime/default.nix
+++ /dev/null
@@ -1,37 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, pkg-config, fcitx, librime, brise, hicolor-icon-theme }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-rime";
-  version = "0.3.2";
-
-  src = fetchurl {
-    url = "https://download.fcitx-im.org/fcitx-rime/${pname}-${version}.tar.xz";
-    sha256 = "0bd8snfa6jr8dhnm0s0z021iryh5pbaf7p15rhkgbigw2pssczpr";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ fcitx librime brise hicolor-icon-theme ];
-
-  # cmake cannont automatically find our nonstandard brise install location
-  cmakeFlags = [ "-DRIME_DATA_DIR=${brise}/share/rime-data" ];
-
-  preInstall = ''
-    substituteInPlace src/cmake_install.cmake \
-       --replace ${fcitx} $out
-    substituteInPlace data/cmake_install.cmake \
-       --replace ${fcitx} $out
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    homepage      = "https://github.com/fcitx/fcitx-rime";
-    downloadPage  = "https://download.fcitx-im.org/fcitx-rime/";
-    description   = "Rime support for Fcitx";
-    license       = licenses.gpl2;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ sifmelcara ];
-    # this package is deprecated, please use fcitx5 instead.
-    # and it cannot be built with the new version of librime
-    broken        = true;
-  };
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-skk/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-skk/default.nix
deleted file mode 100644
index c1a1994a907..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-skk/default.nix
+++ /dev/null
@@ -1,42 +0,0 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, fcitx, libskk, skk-dicts }:
-
-stdenv.mkDerivation {
-  pname = "fcitx-skk";
-  version = "0.1.4";
-  src = fetchFromGitHub {
-    owner = "fcitx";
-    repo = "fcitx-skk";
-    rev = "f66d0f56a40ff833edbfa68a4be4eaa2e93d0e3d";
-    sha256 = "1yl2syqrk212h26vzzkwl19fyp71inqmsli9411h4n2hbcp6m916";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ fcitx libskk skk-dicts ];
-
-  cmakeFlags = [ "-DSKK_DEFAULT_PATH=${skk-dicts}/share/SKK-JISYO.combined"
-                 "-DENABLE_QT=FALSE"
-               ];
-  preInstall = ''
-    substituteInPlace src/cmake_install.cmake \
-      --replace ${fcitx} $out
-    substituteInPlace po/cmake_install.cmake \
-      --replace ${fcitx} $out
-    substituteInPlace data/cmake_install.cmake \
-      --replace ${fcitx} $out
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    description   = "A SKK style input method engine for fcitx";
-    longDescription = ''
-      Fcitx-skk is an input method engine for fcitx. It is based on libskk and thus
-      provides basic features of SKK Japanese input method such as kana-to-kanji conversion,
-      new word registration, completion, numeric conversion, abbrev mode, kuten input,
-      hankaku-katakana input, and re-conversion.
-    '';
-    license       = licenses.gpl3Plus;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ yuriaisaka ];
-  };
-
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-table-extra/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-table-extra/default.nix
deleted file mode 100644
index 399d426dc3e..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-table-extra/default.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, fcitx, gettext }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-table-extra";
-  version = "0.3.8";
-
-  src = fetchurl {
-    url = "http://download.fcitx-im.org/fcitx-table-extra/${pname}-${version}.tar.xz";
-    sha256 = "c91bb19c1a7b53c5339bf2f75ae83839020d337990f237a8b9bc0f4416c120ef";
-  };
-
-  nativeBuildInputs = [ cmake ];
-  buildInputs = [ fcitx gettext ];
-
-  preInstall = ''
-   substituteInPlace tables/cmake_install.cmake \
-      --replace ${fcitx} $out
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    homepage      = "https://github.com/fcitx/fcitx-table-extra";
-    downloadPage  = "http://download.fcitx-im.org/fcitx-table-extra/";
-    description   = "Provides extra table for Fcitx, including Boshiamy, Zhengma, Cangjie, and Quick";
-    license       = licenses.gpl2Plus;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ linc01n ];
-  };
-
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-table-other/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-table-other/default.nix
deleted file mode 100644
index 410569b7afb..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-table-other/default.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, fcitx, gettext }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-table-other";
-  version = "0.2.4";
-
-  src = fetchurl {
-    url = "http://download.fcitx-im.org/fcitx-table-other/${pname}-${version}.tar.xz";
-    sha256 = "1di60lr6l5k2sdwi3yrc0hl89j2k0yipayrsn803vd040w1fgfhq";
-  };
-
-  nativeBuildInputs = [ cmake ];
-  buildInputs = [ fcitx gettext ];
-
-  preInstall = ''
-   substituteInPlace tables/cmake_install.cmake \
-      --replace ${fcitx} $out
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    homepage      = "https://github.com/fcitx/fcitx-table-other";
-    downloadPage  = "http://download.fcitx-im.org/fcitx-table-other/";
-    description   = "Provides some other tables for Fcitx";
-    license       = licenses.gpl3Plus;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ ericsagnes ];
-  };
-
-}
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-unikey/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-unikey/default.nix
deleted file mode 100644
index 5a5fb2da228..00000000000
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-unikey/default.nix
+++ /dev/null
@@ -1,34 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, fcitx, gettext, pkg-config }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-unikey";
-  version = "0.2.5";
-
-  src = fetchurl {
-    url = "http://download.fcitx-im.org/fcitx-unikey/${pname}-${version}.tar.xz";
-    sha256 = "063vc29v7ycaai98v3z4q319sv9sm91my17pmhblw1vifxnw02wf";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ fcitx gettext ];
-
-  env.NIX_CFLAGS_COMPILE = "-Wno-narrowing";
-
-  preInstall = ''
-    substituteInPlace src/cmake_install.cmake \
-      --replace ${fcitx} $out
-    substituteInPlace data/cmake_install.cmake \
-      --replace ${fcitx} $out
-  '';
-
-  meta = with lib; {
-    isFcitxEngine = true;
-    homepage      = "https://github.com/fcitx/fcitx-unikey";
-    downloadPage  = "http://download.fcitx-im.org/fcitx-table-other/";
-    description   = "Fcitx wrapper for unikey";
-    license       = licenses.gpl3Plus;
-    platforms     = platforms.linux;
-    maintainers   = with maintainers; [ ericsagnes ];
-  };
-
-}
diff --git a/pkgs/tools/inputmethods/fcitx/default.nix b/pkgs/tools/inputmethods/fcitx/default.nix
deleted file mode 100644
index fc28a08b4b7..00000000000
--- a/pkgs/tools/inputmethods/fcitx/default.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{ callPackage, plugins ? [] }:
-
-let
-  unwrapped = callPackage ./unwrapped.nix { };
-  wrapped   = callPackage ./wrapper.nix {
-    plugins = plugins;
-    fcitx   = unwrapped;
-  };
-in if plugins == []
-   then unwrapped
-   else wrapped
diff --git a/pkgs/tools/inputmethods/fcitx/fcitx-configtool.nix b/pkgs/tools/inputmethods/fcitx/fcitx-configtool.nix
deleted file mode 100644
index ccbec8209e9..00000000000
--- a/pkgs/tools/inputmethods/fcitx/fcitx-configtool.nix
+++ /dev/null
@@ -1,34 +0,0 @@
-{ lib, stdenv, fetchurl, makeWrapper, pkg-config, cmake, fcitx, gtk3, isocodes, gnome }:
-
-stdenv.mkDerivation rec {
-  pname = "fcitx-configtool";
-  version = "0.4.10";
-
-  meta = with lib; {
-    description = "GTK-based config tool for Fcitx";
-    license = licenses.gpl2;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ cdepillabout ];
-  };
-
-  src = fetchurl {
-    url = "https://download.fcitx-im.org/fcitx-configtool/fcitx-configtool-${version}.tar.xz";
-    sha256 = "1yyi9jhkwn49lx9a47k1zbvwgazv4y4z72gnqgzdpgdzfrlrgi5w";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config makeWrapper ];
-  buildInputs = [ fcitx isocodes gtk3 gnome.adwaita-icon-theme ];
-
-  # Patch paths to `fcitx-remote`
-  prePatch = ''
-    for f in gtk{3,}/config_widget.c; do
-      substituteInPlace $f \
-        --replace 'EXEC_PREFIX "/bin/fcitx-remote"' '"${fcitx}/bin/fcitx-remote"'
-    done
-  '';
-
-  preFixup = ''
-    wrapProgram $out/bin/fcitx-config-gtk3 \
-      --prefix XDG_DATA_DIRS : "$XDG_ICON_DIRS";
-  '';
-}
diff --git a/pkgs/tools/inputmethods/fcitx/fcitx-qt5.nix b/pkgs/tools/inputmethods/fcitx/fcitx-qt5.nix
deleted file mode 100644
index 391c2c7add2..00000000000
--- a/pkgs/tools/inputmethods/fcitx/fcitx-qt5.nix
+++ /dev/null
@@ -1,38 +0,0 @@
-{ lib, mkDerivation, fetchFromGitLab
-, cmake
-, extra-cmake-modules
-, fcitx
-, pkg-config
-, qtbase
-}:
-
-mkDerivation rec {
-  pname = "fcitx-qt5";
-  version = "1.2.3";
-
-  src = fetchFromGitLab {
-    owner = "fcitx";
-    repo = pname;
-    rev = version;
-    sha256 = "0860v3rxsh054wkkbawvyin5mk0flp4cwfcpmcpq147lvdm5lq2i";
-  };
-
-  nativeBuildInputs = [ cmake extra-cmake-modules pkg-config ];
-
-  buildInputs = [ fcitx qtbase ];
-
-  preConfigure = ''
-    substituteInPlace platforminputcontext/CMakeLists.txt \
-      --replace \$"{CMAKE_INSTALL_QTPLUGINDIR}" $out/${qtbase.qtPluginPrefix}
-    substituteInPlace quickphrase-editor/CMakeLists.txt \
-      --replace \$"{FCITX4_ADDON_INSTALL_DIR}" $out/lib/fcitx
-  '';
-
-  meta = with lib; {
-    homepage    = "https://gitlab.com/fcitx/fcitx-qt5";
-    description = "Qt5 IM Module for Fcitx";
-    license     = licenses.gpl2;
-    platforms   = platforms.linux;
-    maintainers = with maintainers; [ ericsagnes ];
-  };
-}
diff --git a/pkgs/tools/inputmethods/fcitx/find-enchant-lib.patch b/pkgs/tools/inputmethods/fcitx/find-enchant-lib.patch
deleted file mode 100644
index 90c9c79aa73..00000000000
--- a/pkgs/tools/inputmethods/fcitx/find-enchant-lib.patch
+++ /dev/null
@@ -1,42 +0,0 @@
-diff --git a/cmake/FindEnchant.cmake b/cmake/FindEnchant.cmake
-index 7c182e6a..5537595e 100644
---- a/cmake/FindEnchant.cmake
-+++ b/cmake/FindEnchant.cmake
-@@ -16,7 +16,7 @@ if(ENCHANT_INCLUDE_DIR AND ENCHANT_LIBRARIES)
- endif(ENCHANT_INCLUDE_DIR AND ENCHANT_LIBRARIES)
- 
- find_package(PkgConfig)
--pkg_check_modules(PC_ENCHANT enchant)
-+pkg_check_modules(PC_ENCHANT enchant-2)
- 
- find_path(ENCHANT_INCLUDE_DIR
-   NAMES enchant.h
-@@ -24,7 +24,7 @@ find_path(ENCHANT_INCLUDE_DIR
-   PATH_SUFFIXES "enchant")
- 
- find_library(ENCHANT_LIBRARIES
--  NAMES enchant
-+  NAMES enchant-2
-   HINTS ${PC_ENCHANT_LIBRARY_DIRS})
- 
- if(ENCHANT_INCLUDE_DIR AND ENCHANT_LIBRARIES)
-@@ -39,7 +39,7 @@ if(ENCHANT_INCLUDE_DIR AND ENCHANT_LIBRARIES)
-   #include <stdlib.h>
-   #include <stddef.h>
-   #include <string.h>
--  #include <enchant/enchant.h>
-+  #include <enchant-2/enchant.h>
- 
-   EnchantBroker *enchant_broker_init();
-   char **enchant_dict_suggest(EnchantDict *dict, const char *str,
-@@ -78,6 +78,10 @@ if(ENCHANT_INCLUDE_DIR AND ENCHANT_LIBRARIES)
-   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS_BACKUP}")
- endif()
- 
-+if(ENCHANT_API_COMPATIBLE)
-+  set(ENCHANT_LIBRARY_FILENAME ${ENCHANT_LIBRARIES})
-+endif(ENCHANT_API_COMPATIBLE)
-+
- include(FindPackageHandleStandardArgs)
- find_package_handle_standard_args(Enchant DEFAULT_MSG ENCHANT_LIBRARIES
-   ENCHANT_INCLUDE_DIR ENCHANT_API_COMPATIBLE)
diff --git a/pkgs/tools/inputmethods/fcitx/unwrapped.nix b/pkgs/tools/inputmethods/fcitx/unwrapped.nix
deleted file mode 100644
index e9d7f0765b7..00000000000
--- a/pkgs/tools/inputmethods/fcitx/unwrapped.nix
+++ /dev/null
@@ -1,105 +0,0 @@
-{ lib, stdenv, fetchurl, pkg-config, cmake, intltool, gettext
-, libxml2, enchant2, isocodes, icu, libpthreadstubs
-, pango, cairo, libxkbfile, libXau, libXdmcp, libxkbcommon
-, dbus, gtk2, gtk3, qt4, extra-cmake-modules
-, xkeyboard_config, pcre, libuuid, xorg, makeWrapper
-, withPinyin ? true
-, fetchFromGitLab
-}:
-
-let
-  # releases at http://download.fcitx-im.org/fcitx/${name}_dict.tar.xz
-  # contains all data but if we want to compile from source, we need to
-  # fetch them ourselves
-  # to update the urls and where to unpack these, look into the
-  # src/module/*/data/CMakeLists.txt files
-  # fcitx_download tgt_name url output)
-  dicts = let SPELL_EN_DICT_VER="20121020"; in fetchurl {
-      url = "http://download.fcitx-im.org/data/en_dict-${SPELL_EN_DICT_VER}.tar.gz";
-      sha256 = "1svcb97sq7nrywp5f2ws57cqvlic8j6p811d9ngflplj8xw5sjn4";
-  };
-  table = fetchurl {
-      url = "http://download.fcitx-im.org/data/table.tar.gz";
-      sha256 = "1dw7mgbaidv3vqy0sh8dbfv8631d2zwv5mlb7npf69a1f8y0b5k1";
-  };
-  pystroke-data = let PY_STROKE_VER="20121124"; in fetchurl {
-      url = "http://download.fcitx-im.org/data/py_stroke-${PY_STROKE_VER}.tar.gz";
-      sha256 = "0j72ckmza5d671n2zg0psg7z9iils4gyxz7jgkk54fd4pyljiccf";
-  };
-  pytable-data = let PY_TABLE_VER="20121124"; in fetchurl {
-      url = "http://download.fcitx-im.org/data/py_table-${PY_TABLE_VER}.tar.gz";
-      sha256 = "011cg7wssssm6hm564cwkrrnck2zj5rxi7p9z5akvhg6gp4nl522";
-  };
-  pinyin-data = fetchurl {
-      url = "http://download.fcitx-im.org/data/pinyin.tar.gz";
-      sha256 = "1qfq5dy4czvd1lvdnxzyaiir9x8b1m46jjny11y0i33m9ar2jf2q";
-  };
-in
-stdenv.mkDerivation rec {
-  pname = "fcitx";
-  version = "4.2.9.6";
-
-  src = fetchFromGitLab {
-    owner = "fcitx";
-    repo = "fcitx";
-    rev = version;
-    sha256 = "0j5vaf930lb21gx4h7z6mksh1fazqw32gajjjkyir94wbmml9n3s";
-  };
-
-  # put data at the correct locations else cmake tries to fetch them,
-  # which fails in sandboxed mode
-  prePatch = ''
-    cp ${dicts} src/module/spell/dict/$(stripHash ${dicts})
-    cp ${table} src/im/table/data/$(stripHash ${table})
-  ''
-  + lib.optionalString withPinyin ''
-    cp ${pystroke-data} src/module/pinyin-enhance/data/$(stripHash ${pystroke-data})
-    cp ${pytable-data} src/module/pinyin-enhance/data/$(stripHash ${pytable-data})
-    cp ${pinyin-data} src/im/pinyin/data/$(stripHash ${pinyin-data})
-  ''
-  ;
-
-  patches = [ ./find-enchant-lib.patch ];
-
-  postPatch = ''
-    substituteInPlace src/frontend/qt/CMakeLists.txt \
-      --replace $\{QT_PLUGINS_DIR} $out/lib/qt4/plugins
-
-    patchShebangs cmake/
-  '';
-
-  postInstall = ''
-    wrapProgram $out/bin/fcitx \
-      --prefix PATH : "${xorg.xmodmap}/bin"
-  '';
-
-  nativeBuildInputs = [ cmake extra-cmake-modules intltool pkg-config pcre makeWrapper ];
-
-  buildInputs = [
-    xkeyboard_config enchant2 gettext isocodes icu libpthreadstubs libXau libXdmcp libxkbfile
-    libxkbcommon libxml2 dbus cairo gtk2 gtk3 pango qt4 libuuid
-  ];
-
-  cmakeFlags = [
-    "-DENABLE_QT_IM_MODULE=ON"
-    "-DENABLE_GTK2_IM_MODULE=ON"
-    "-DENABLE_GTK3_IM_MODULE=ON"
-    "-DENABLE_GIR=OFF"
-    "-DENABLE_OPENCC=OFF"
-    "-DENABLE_PRESAGE=OFF"
-    "-DENABLE_XDGAUTOSTART=OFF"
-    "-DENABLE_PINYIN=${if withPinyin then "ON" else "OFF"}"
-    "-DENABLE_TABLE=ON"
-    "-DENABLE_SPELL=ON"
-    "-DENABLE_QT_GUI=ON"
-    "-DXKB_RULES_XML_FILE='${xkeyboard_config}/share/X11/xkb/rules/evdev.xml'"
-  ];
-
-  meta = with lib; {
-    homepage    = "https://github.com/fcitx/fcitx";
-    description = "A Flexible Input Method Framework";
-    license     = licenses.gpl2;
-    platforms   = platforms.linux;
-    maintainers = with maintainers; [ ericsagnes ];
-  };
-}
diff --git a/pkgs/tools/inputmethods/fcitx/wrapper.nix b/pkgs/tools/inputmethods/fcitx/wrapper.nix
deleted file mode 100644
index 6e7e71c5713..00000000000
--- a/pkgs/tools/inputmethods/fcitx/wrapper.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-{ symlinkJoin, fcitx, fcitx-configtool, makeWrapper, plugins, libsForQt5 }:
-
-symlinkJoin {
-  name = "fcitx-with-plugins-${fcitx.version}";
-
-  paths = [ fcitx fcitx-configtool libsForQt5.fcitx-qt5 ] ++ plugins;
-
-  nativeBuildInputs = [ makeWrapper ];
-
-  postBuild = ''
-    wrapProgram $out/bin/fcitx \
-      --set FCITXDIR "$out/"
-  '';
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index bc364eac457..ad5b2967052 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -511,6 +511,10 @@ mapAliases ({
   fuse2fs = if stdenv.isLinux then e2fsprogs.fuse2fs else null; # Added 2022-03-27 preserve, reason: convenience, arch has a package named fuse2fs too.
   fwupdate = throw "fwupdate was merged into fwupd"; # Added 2020-05-19
 
+  fcitx = throw "fcitx4 is deprecated, please use fcitx5 instead."; # Added 2023-03-13
+  fcitx-engines = throw "fcitx4 is deprecated, please use fcitx5 instead."; # Added 2023-03-13
+  fcitx-configtools = throw "fcitx4 is deprecated, please use fcitx5 instead."; # Added 2023-03-13
+
   ### G ###
 
   g4py = python3Packages.geant4; # Added 2020-06-06
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 08f1a8ed479..957ee76bcdd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7298,43 +7298,6 @@ with pkgs;
 
   fatsort = callPackage ../tools/filesystems/fatsort { };
 
-  fcitx = callPackage ../tools/inputmethods/fcitx {
-    plugins = [];
-  };
-
-  fcitx-engines = recurseIntoAttrs {
-
-    anthy = callPackage ../tools/inputmethods/fcitx-engines/fcitx-anthy { };
-
-    chewing = callPackage ../tools/inputmethods/fcitx-engines/fcitx-chewing { };
-
-    hangul = callPackage ../tools/inputmethods/fcitx-engines/fcitx-hangul { };
-
-    unikey = callPackage ../tools/inputmethods/fcitx-engines/fcitx-unikey { };
-
-    rime = callPackage ../tools/inputmethods/fcitx-engines/fcitx-rime { };
-
-    m17n = callPackage ../tools/inputmethods/fcitx-engines/fcitx-m17n { };
-
-    mozc = callPackage ../tools/inputmethods/fcitx-engines/fcitx-mozc {
-      python = python2;
-      inherit (python2Packages) gyp;
-      protobuf = pkgs.protobuf3_8.overrideDerivation (_: { stdenv = clangStdenv; });
-    };
-
-    table-extra = callPackage ../tools/inputmethods/fcitx-engines/fcitx-table-extra { };
-
-    table-other = callPackage ../tools/inputmethods/fcitx-engines/fcitx-table-other { };
-
-    cloudpinyin = callPackage ../tools/inputmethods/fcitx-engines/fcitx-cloudpinyin { };
-
-    libpinyin = libsForQt5.callPackage ../tools/inputmethods/fcitx-engines/fcitx-libpinyin { };
-
-    skk = callPackage ../tools/inputmethods/fcitx-engines/fcitx-skk { };
-  };
-
-  fcitx-configtool = callPackage ../tools/inputmethods/fcitx/fcitx-configtool.nix { };
-
   chewing-editor = libsForQt5.callPackage ../applications/misc/chewing-editor { };
 
   fcitx5 = libsForQt5.callPackage ../tools/inputmethods/fcitx5 { };
diff --git a/pkgs/top-level/qt5-packages.nix b/pkgs/top-level/qt5-packages.nix
index 9169940f8bd..567795e68f7 100644
--- a/pkgs/top-level/qt5-packages.nix
+++ b/pkgs/top-level/qt5-packages.nix
@@ -80,8 +80,6 @@ in (kdeFrameworks // plasmaMobileGear // plasma5 // plasma5.thirdParty // kdeGea
 
   drumstick = callPackage ../development/libraries/drumstick { };
 
-  fcitx-qt5 = callPackage ../tools/inputmethods/fcitx/fcitx-qt5.nix { };
-
   fcitx5-qt = callPackage ../tools/inputmethods/fcitx5/fcitx5-qt.nix { };
 
   qgpgme = callPackage ../development/libraries/gpgme { };