diff --git a/pkgs/java-language-server/codegen/codegen/__init__.py b/pkgs/java-language-server/codegen/codegen/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/pkgs/java-language-server/codegen/codegen/main.py b/pkgs/java-language-server/codegen/codegen/main.py
deleted file mode 100644
index 3c0d6c10..00000000
--- a/pkgs/java-language-server/codegen/codegen/main.py
+++ /dev/null
@@ -1,183 +0,0 @@
-import javalang
-import jinja2
-import pathlib
-import os
-import sys
-
-nativeTypes = {
-    "boolean": (
-        lambda reader: f"{reader}.nextBoolean()",
-        lambda writer, value: f"{writer}.value({value})",
-    ),
-    "Boolean": (
-        lambda reader: f"{reader}.nextBoolean()",
-        lambda writer, value: f"{writer}.value({value})",
-    ),
-    "Double": (
-        lambda reader: f"{reader}.nextDouble()",
-        lambda writer, value: f"{writer}.value({value})",
-    ),
-    "Integer": (
-        lambda reader: f"{reader}.nextInt()",
-        lambda writer, value: f"{writer}.value({value})",
-    ),
-    "int": (
-        lambda reader: f"{reader}.nextInt()",
-        lambda writer, value: f"{writer}.value({value})",
-    ),
-    "String": (
-        lambda reader: f"{reader}.nextString()",
-        lambda writer, value: f"{writer}.value({value})",
-    ),
-    "JsonElement": (
-        lambda reader: f"new Gson().getAdapter(JsonElement.class).read({reader})",
-        lambda writer, value: f"new Gson().getAdapter(JsonElement.class).write({writer}, {value})",
-    ),
-    "JsonObject": (
-        lambda reader: f"new Gson().getAdapter(JsonObject.class).read({reader})",
-        lambda writer, value: f"new Gson().getAdapter(JsonObject.class).write({writer}, {value})",
-    ),
-    "JsonArray": (
-        lambda reader: f"new Gson().getAdapter(JsonArray.class).read({reader})",
-        lambda writer, value: f"new Gson().getAdapter(JsonArray.class).write({writer}, {value})",
-    ),
-    "List": (
-        lambda reader: f"new Gson().getAdapter(List.class).read({reader})",
-        lambda writer, value: f"new Gson().getAdapter(List.class).write({writer}, {value})",
-    ),
-    "URI": (
-        lambda reader: f"new Gson().getAdapter(URI.class).read({reader})",
-        lambda writer, value: f"new Gson().getAdapter(URI.class).write({writer}, {value})",
-    ),
-    "Map": (
-        lambda reader: f"new Gson().getAdapter(Map.class).read({reader})",
-        lambda writer, value: f"new Gson().getAdapter(Map.class).write({writer}, {value})",
-    ),
-    "Object": (
-        lambda reader: f"new Gson().getAdapter(Object.class).read({reader})",
-        lambda writer, value: f"new Gson().getAdapter(Object.class).write({writer}, {value})",
-    ),
-}
-
-env = jinja2.Environment(
-    loader=jinja2.PackageLoader("codegen", "templates"),
-    trim_blocks=True,
-    lstrip_blocks=True,
-)
-adapter = env.get_template("./adapter.java")
-builder = env.get_template("./builder.java")
-
-adapters = nativeTypes
-all_classes = set()
-
-root = sys.argv[1]
-
-
-def walk(clazz):
-    with open(f"{root}/{clazz}.java") as source:
-        ast = javalang.parse.parse("\n".join(source.readlines()))
-
-        assert len(ast.types) == 1
-        definition = ast.types[0]
-
-        for field in definition.fields:
-            for declarator in field.declarators:
-                if "public" not in field.modifiers:
-                    continue
-
-                if "static" in field.modifiers:
-                    continue
-
-                if field.type.name not in adapters:
-                    adapters[field.type.name] = (
-                        lambda reader, type=field.type.name: f"new {type}JsonAdapter().read({reader})",
-                        lambda writer, value, type=field.type.name: f"new {type}JsonAdapter().write({writer}, {value})",
-                    )
-                    walk(field.type.name)
-                    all_classes.add(field.type.name)
-
-
-def codegen(clazz):
-    with open(f"{root}/{clazz}.java") as source:
-        ast = javalang.parse.parse("\n".join(source.readlines()))
-
-        assert len(ast.types) == 1
-        definition = ast.types[0]
-
-        fields = []
-        for field in definition.fields:
-            if "public" not in field.modifiers:
-                continue
-
-            if "static" in field.modifiers:
-                continue
-
-            for declarator in field.declarators:
-                fields.append(
-                    {
-                        "name": declarator.name,
-                        "adapter": adapters[field.type.name],
-                    }
-                )
-
-        java = adapter.render(
-            clazz=definition.name,
-            instance=definition.name.lower(),
-            fields=fields,
-            package="org.javacs.lsp",
-        )
-        with open(f"{root}/{clazz}JsonAdapter.java", "w") as out:
-            print(f"{root}/{clazz}JsonAdapter.java")
-            out.write(java)
-
-
-def run():
-    files = os.listdir(root)
-    for file in sorted(files, key=lambda f: pathlib.Path(root, f).name):
-        path = pathlib.Path(root, file)
-        if path.suffix == ".java":
-            with open(path) as source:
-                ast = javalang.parse.parse("\n".join(source.readlines()))
-
-                if len(ast.imports) > 5:
-                    print(f"Dropping {path.name}")
-                    continue
-
-                assert len(ast.types) == 1
-                clazz = ast.types[0]
-
-                if not isinstance(clazz, javalang.tree.ClassDeclaration):
-                    print(f"Dropping {path.name}")
-                    continue
-
-                if "public" not in clazz.modifiers:
-                    print(f"Dropping {path.name}")
-                    continue
-
-                if "abstract" in clazz.modifiers:
-                    print(f"Dropping {path.name}")
-                    continue
-
-                if len(clazz.methods) > 10:
-                    print(f"Dropping {path.name}")
-                    continue
-
-                if len(clazz.fields) == 0:
-                    print(f"Dropping {path.name}")
-                    continue
-
-                all_classes.add(path.stem)
-
-    for clazz in list(all_classes):
-        walk(clazz)
-
-    for clazz in all_classes:
-        codegen(clazz)
-
-    java = builder.render(
-        classes=all_classes,
-        package="org.javacs.lsp",
-    )
-
-    with open(f"{root}/GSONCodeGenBuilder.java", "w") as out:
-        out.write(java)
diff --git a/pkgs/java-language-server/codegen/codegen/templates/adapter.java b/pkgs/java-language-server/codegen/codegen/templates/adapter.java
deleted file mode 100644
index 331b9ea7..00000000
--- a/pkgs/java-language-server/codegen/codegen/templates/adapter.java
+++ /dev/null
@@ -1,61 +0,0 @@
-package {{ package }};
-
-import java.io.IOException;
-import java.util.List;
-import java.util.Map;
-import java.net.URI;
-
-import com.google.gson.TypeAdapter;
-import com.google.gson.stream.JsonReader;
-import com.google.gson.stream.JsonToken;
-import com.google.gson.stream.JsonWriter;
-
-import com.google.gson.Gson;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonArray;
-import com.google.gson.JsonObject;
-
-public class {{ clazz }}JsonAdapter extends TypeAdapter<{{ clazz }}> {
-  @Override public void write(JsonWriter out, {{ clazz }} {{ instance }}) throws IOException {
-    out.beginObject();
-    {% for field in fields %}
-    out.name("{{ field.name }}");
-    {{ field.adapter[1]('out', instance + "." + field.name) }};
-    {% endfor %}
-    out.endObject();
-  }
-
-  @Override public {{ clazz }} read(JsonReader in) throws IOException {
-    {{ clazz }} {{instance }} = new {{ clazz }}();
-
-    JsonToken token = in.peek();
-
-    in.beginObject();
-    while (in.hasNext()) {
-      token = in.peek();
-
-      String field = "";
-      if (token.equals(JsonToken.NAME)) {
-        field = in.nextName();
-      }
-
-      {% for field in fields %}
-      if ("{{ field.name }}".equals(field)) {
-        token = in.peek();
-        if (token.equals(JsonToken.NULL)) {
-          in.nextNull();
-        } else {
-          {{ instance }}.{{ field.name }} = {{ field.adapter[0]('in') }};
-        }
-      } else
-      {% endfor %}
-      {
-        // The key is unknown, skip the whole element
-        new Gson().getAdapter(JsonElement.class).read(in);
-      }
-    }
-    in.endObject();
-
-    return {{ instance }};
-  }
-}
diff --git a/pkgs/java-language-server/codegen/codegen/templates/builder.java b/pkgs/java-language-server/codegen/codegen/templates/builder.java
deleted file mode 100644
index 14830c91..00000000
--- a/pkgs/java-language-server/codegen/codegen/templates/builder.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package {{ package }};
-
-import java.io.IOException;
-
-import com.google.gson.GsonBuilder;
-
-public class GSONCodeGenBuilder {
-  public static GsonBuilder builder() {
-    GsonBuilder builder = new GsonBuilder();
-
-    {% for clazz in classes -%}
-    builder.registerTypeAdapter({{ clazz }}.class, new {{ clazz }}JsonAdapter());
-    {% endfor %}
-    return builder;
-  }
-}
diff --git a/pkgs/java-language-server/codegen/poetry.lock b/pkgs/java-language-server/codegen/poetry.lock
deleted file mode 100644
index 482992ff..00000000
--- a/pkgs/java-language-server/codegen/poetry.lock
+++ /dev/null
@@ -1,127 +0,0 @@
-# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
-
-[[package]]
-name = "javalang"
-version = "0.13.0"
-description = "Pure Python Java parser and tools"
-optional = false
-python-versions = "*"
-files = [
-    {file = "javalang-0.13.0-py2-none-any.whl", hash = "sha256:5c20f9ee81c49062341e78a88485d6a16f2fa7282856fecf79d2a9dc32374cca"},
-    {file = "javalang-0.13.0-py3-none-any.whl", hash = "sha256:b203c258919b085b44b43b89effcba7291bb2d90c02906b915b39e86aa9fd8e6"},
-    {file = "javalang-0.13.0.tar.gz", hash = "sha256:1681a5a480a58116d42a7eedfd132abe25e6c0ffe552868d581ad84e6aa3424c"},
-]
-
-[package.dependencies]
-six = "*"
-
-[[package]]
-name = "jinja2"
-version = "3.1.3"
-description = "A very fast and expressive template engine."
-optional = false
-python-versions = ">=3.7"
-files = [
-    {file = "Jinja2-3.1.3-py3-none-any.whl", hash = "sha256:7d6d50dd97d52cbc355597bd845fabfbac3f551e1f99619e39a35ce8c370b5fa"},
-    {file = "Jinja2-3.1.3.tar.gz", hash = "sha256:ac8bd6544d4bb2c9792bf3a159e80bba8fda7f07e81bc3aed565432d5925ba90"},
-]
-
-[package.dependencies]
-MarkupSafe = ">=2.0"
-
-[package.extras]
-i18n = ["Babel (>=2.7)"]
-
-[[package]]
-name = "markupsafe"
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-]
-
-[[package]]
-name = "six"
-version = "1.16.0"
-description = "Python 2 and 3 compatibility utilities"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
-files = [
-    {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
-    {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
-]
-
-[metadata]
-lock-version = "2.0"
-python-versions = "^3.8"
-content-hash = "39221573db8f952a6e7cb6a1a7ee0a081aeb6400d74e946bcf835049a3e645da"
diff --git a/pkgs/java-language-server/codegen/pyproject.toml b/pkgs/java-language-server/codegen/pyproject.toml
deleted file mode 100644
index b3a8538e..00000000
--- a/pkgs/java-language-server/codegen/pyproject.toml
+++ /dev/null
@@ -1,20 +0,0 @@
-[tool.poetry]
-name = "codegen"
-version = "0.1.0"
-description = ""
-authors = ["Zach Anderson <zach.inbox@gmail.com>"]
-
-[tool.poetry.dependencies]
-python = "^3.8"
-javalang = "^0.13.0"
-Jinja2 = "^3.1.3"
-
-[tool.poetry.dev-dependencies]
-
-[build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"
-
-[tool.poetry.scripts]
-codegen = 'codegen.main:run'
-
diff --git a/pkgs/java-language-server/default.nix b/pkgs/java-language-server/default.nix
deleted file mode 100644
index d7c04eef..00000000
--- a/pkgs/java-language-server/default.nix
+++ /dev/null
@@ -1,78 +0,0 @@
-{ stdenv
-, maven
-, callPackage
-, fetchFromGitHub
-, graalvm17-ce
-, poetry2nix
-, makeWrapper
-}:
-let
-  repository = callPackage ./repo.nix { };
-
-  jars = [
-    "$classpath/gson-2.8.5.jar"
-    "$classpath/protobuf-java-3.9.1.jar"
-    "$classpath/java-language-server.jar"
-  ];
-
-  flags = [
-    "--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED"
-    "--add-exports=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED"
-    "--add-exports=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED"
-    "--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED"
-    "--add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED"
-    "--add-exports=jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED"
-    "--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED"
-    "--add-opens=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED"
-    "--class-path ${builtins.concatStringsSep ":" jars}"
-  ];
-
-  codegen = poetry2nix.mkPoetryApplication {
-    projectDir = ./codegen;
-  };
-
-in
-stdenv.mkDerivation rec {
-  name = "java-language-server";
-  version = "0.2.38";
-
-  src = fetchFromGitHub {
-    owner = "georgewfraser";
-    repo = "java-language-server";
-    rev = "7fffb6c5929fe02c52e1c823ae990bad2b540ad1";
-    sha256 = "0vw3sn2pm95aqs0wjgvzdnrmaz79f5gv212l3xq58c30n8i1lj1m";
-  };
-
-  nativeBuildInputs = [ maven graalvm17-ce codegen makeWrapper ];
-  buildInputs = [ graalvm17-ce ];
-  patches = [ ./patches/log-cycle.patch ./patches/static-gson.patch ];
-  dontConfigure = true;
-  buildPhase = ''
-    echo "Generating static type adapters for LSP"
-    codegen src/main/java/org/javacs/lsp
-
-    echo "Using repository ${repository}"
-    mvn --offline -Dmaven.repo.local=${repository} -DskipTests package;
-
-    classpath=dist/classpath
-    native-image ${builtins.concatStringsSep " " flags} --no-fallback org.javacs.Main
-    native-image ${builtins.concatStringsSep " " flags} --no-fallback org.javacs.debug.JavaDebugServer
-  '';
-  installPhase = ''
-    classpath=$out/share/java
-    mkdir -p $classpath
-    cp -a dist/classpath/* $classpath
-
-    mkdir -p $out/bin
-    cp org.javacs.main $out/bin/native-java-language-server
-    cp org.javacs.debug.javadebugserver $out/bin/native-java-dap
-
-    makeWrapper ${graalvm17-ce}/bin/java $out/bin/java-langauge-server \
-      --add-flags "${builtins.concatStringsSep " " flags}" \
-      --add-flags "org.javacs.Main"
-
-    makeWrapper ${graalvm17-ce}/bin/java $out/bin/java-dap \
-      --add-flags "${builtins.concatStringsSep " " flags}" \
-      --add-flags "org.javacs.debug.JavaDebugServer"
-  '';
-}
diff --git a/pkgs/java-language-server/patches/log-cycle.patch b/pkgs/java-language-server/patches/log-cycle.patch
deleted file mode 100644
index 2da3e4ed..00000000
--- a/pkgs/java-language-server/patches/log-cycle.patch
+++ /dev/null
@@ -1,24 +0,0 @@
-diff --git a/src/main/java/org/javacs/ReusableCompiler.java b/src/main/java/org/javacs/ReusableCompiler.java
-index 2d50f74c..dfaf6d2a 100644
---- a/src/main/java/org/javacs/ReusableCompiler.java
-+++ b/src/main/java/org/javacs/ReusableCompiler.java
-@@ -174,19 +174,6 @@ class ReusableCompiler {
-             drop(JavacTask.class);
-             drop(JavacTrees.class);
-             drop(JavacElements.class);
--
--            if (ht.get(Log.logKey) instanceof ReusableLog) {
--                // log already inited - not first round
--                ((ReusableLog) Log.instance(this)).clear();
--                Enter.instance(this).newRound();
--                ((ReusableJavaCompiler) ReusableJavaCompiler.instance(this)).clear();
--                Types.instance(this).newRound();
--                Check.instance(this).newRound();
--                Modules.instance(this).newRound();
--                Annotate.instance(this).newRound();
--                CompileStates.instance(this).clear();
--                MultiTaskListener.instance(this).clear();
--            }
-         }
- 
-         @Override
diff --git a/pkgs/java-language-server/patches/static-gson.patch b/pkgs/java-language-server/patches/static-gson.patch
deleted file mode 100644
index 808f5947..00000000
--- a/pkgs/java-language-server/patches/static-gson.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/src/main/java/org/javacs/lsp/LSP.java b/src/main/java/org/javacs/lsp/LSP.java
-index 24731930..6e38d415 100644
---- a/src/main/java/org/javacs/lsp/LSP.java
-+++ b/src/main/java/org/javacs/lsp/LSP.java
-@@ -14,7 +14,7 @@ import java.util.logging.Level;
- import java.util.logging.Logger;
- 
- public class LSP {
--    private static final Gson gson = new Gson();
-+    private static final Gson gson = GSONCodeGenBuilder.builder().create();
- 
-     private static String readHeader(InputStream client) {
-         var line = new StringBuilder();
diff --git a/pkgs/java-language-server/repo.nix b/pkgs/java-language-server/repo.nix
deleted file mode 100644
index 8adbb4a8..00000000
--- a/pkgs/java-language-server/repo.nix
+++ /dev/null
@@ -1,34 +0,0 @@
-{ stdenv
-, maven
-, fetchFromGitHub
-}:
-stdenv.mkDerivation {
-  name = "java-language-server-repo";
-  src = fetchFromGitHub {
-    owner = "georgewfraser";
-    repo = "java-language-server";
-    rev = "7fffb6c5929fe02c52e1c823ae990bad2b540ad1";
-    sha256 = "0vw3sn2pm95aqs0wjgvzdnrmaz79f5gv212l3xq58c30n8i1lj1m";
-  };
-
-  dontConfigure = true;
-  buildInputs = [ maven ];
-  buildPhase = ''
-    mvn package -Dmaven.repo.local=$out -DskipTests
-  '';
-
-  # keep only *.{pom,jar,sha1,nbm} and delete all ephemeral files with lastModified timestamps inside
-  installPhase = ''
-    find $out -type f \
-      -name \*.lastUpdated -or \
-      -name resolver-status.properties -or \
-      -name _remote.repositories \
-      -delete
-  '';
-
-  # don't do any fixup
-  dontFixup = true;
-  outputHashAlgo = "sha256";
-  outputHashMode = "recursive";
-  outputHash = "0850nyrsmgcfxqcrr8rs48pbi1qsx9gwv57cxq3y38dwd4m10iv2";
-}