diff --git a/fixtures/projects/integration/settings-buildscript/groovy/default.nix b/fixtures/projects/integration/settings-buildscript/groovy/default.nix
deleted file mode 100644
index 89507f1..0000000
--- a/fixtures/projects/integration/settings-buildscript/groovy/default.nix
+++ /dev/null
@@ -1,9 +0,0 @@
-with (import <nixpkgs> { });
-let
-  buildGradle = callPackage ./gradle-env.nix { };
-in
-buildGradle {
-  envSpec = ./gradle-env.json;
-  src = ./.;
-  gradleFlags = [ "tasks" ];
-}
diff --git a/fixtures/projects/integration/settings-buildscript/groovy/gradle-env.json b/fixtures/projects/integration/settings-buildscript/groovy/gradle-env.json
deleted file mode 100644
index 2f884e0..0000000
--- a/fixtures/projects/integration/settings-buildscript/groovy/gradle-env.json
+++ /dev/null
@@ -1,456 +0,0 @@
-{
-  "": {
-    "name": "settings-buildscript",
-    "version": "1.1.0",
-    "path": "",
-    "gradle": {
-      "version": "5.0",
-      "type": "bin",
-      "url": "https://services.gradle.org/distributions/gradle-5.0-bin.zip",
-      "sha256": "6157ac9f3410bc63644625b3b3e9e96c963afd7910ae0697792db57813ee79a6",
-      "nativeVersion": "0.14"
-    },
-    "dependencies": {
-      "settings": [
-        {
-          "id": {
-            "group": "com.googlecode.javaewah",
-            "name": "JavaEWAH",
-            "version": "1.1.6",
-            "type": "jar",
-            "extension": "jar"
-          },
-          "name": "JavaEWAH-1.1.6.jar",
-          "path": "com/googlecode/javaewah/JavaEWAH/1.1.6",
-          "urls": [
-            "https://plugins.gradle.org/m2/com/googlecode/javaewah/JavaEWAH/1.1.6/JavaEWAH-1.1.6.jar"
-          ],
-          "sha256": "f78d44a1e3877f1ce748b4a85df5171e5e8e9a5c3c6f63bb9003db6f84cce952"
-        },
-        {
-          "id": {
-            "group": "com.googlecode.javaewah",
-            "name": "JavaEWAH",
-            "version": "1.1.6",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "JavaEWAH-1.1.6.pom",
-          "path": "com/googlecode/javaewah/JavaEWAH/1.1.6",
-          "urls": [
-            "https://plugins.gradle.org/m2/com/googlecode/javaewah/JavaEWAH/1.1.6/JavaEWAH-1.1.6.pom"
-          ],
-          "sha256": "7f4ff919b1ee17bf3776e058a3f20e6173db23a5e44cf2d107ec7570c186abf0"
-        },
-        {
-          "id": {
-            "group": "com.jcraft",
-            "name": "jsch",
-            "version": "0.1.54",
-            "type": "jar",
-            "extension": "jar"
-          },
-          "name": "jsch-0.1.54.jar",
-          "path": "com/jcraft/jsch/0.1.54",
-          "urls": [
-            "https://plugins.gradle.org/m2/com/jcraft/jsch/0.1.54/jsch-0.1.54.jar"
-          ],
-          "sha256": "92eb273a3316762478fdd4fe03a0ce1842c56f496c9c12fe1235db80450e1fdb"
-        },
-        {
-          "id": {
-            "group": "com.jcraft",
-            "name": "jsch",
-            "version": "0.1.54",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "jsch-0.1.54.pom",
-          "path": "com/jcraft/jsch/0.1.54",
-          "urls": [
-            "https://plugins.gradle.org/m2/com/jcraft/jsch/0.1.54/jsch-0.1.54.pom"
-          ],
-          "sha256": "ab8f512039be7f6ae20e18e743b4a9d8a20958494431917da58ae5aaef8a3478"
-        },
-        {
-          "id": {
-            "group": "commons-codec",
-            "name": "commons-codec",
-            "version": "1.6",
-            "type": "jar",
-            "extension": "jar"
-          },
-          "name": "commons-codec-1.6.jar",
-          "path": "commons-codec/commons-codec/1.6",
-          "urls": [
-            "https://plugins.gradle.org/m2/commons-codec/commons-codec/1.6/commons-codec-1.6.jar"
-          ],
-          "sha256": "54b34e941b8e1414bd3e40d736efd3481772dc26db3296f6aa45cec9f6203d86"
-        },
-        {
-          "id": {
-            "group": "commons-codec",
-            "name": "commons-codec",
-            "version": "1.6",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "commons-codec-1.6.pom",
-          "path": "commons-codec/commons-codec/1.6",
-          "urls": [
-            "https://plugins.gradle.org/m2/commons-codec/commons-codec/1.6/commons-codec-1.6.pom"
-          ],
-          "sha256": "a06e35d3fff3a6b813d94894ebf3e498f9540c864c5b39ae783907e3a6c72889"
-        },
-        {
-          "id": {
-            "group": "commons-logging",
-            "name": "commons-logging",
-            "version": "1.1.3",
-            "type": "jar",
-            "extension": "jar"
-          },
-          "name": "commons-logging-1.1.3.jar",
-          "path": "commons-logging/commons-logging/1.1.3",
-          "urls": [
-            "https://plugins.gradle.org/m2/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar"
-          ],
-          "sha256": "70903f6fc82e9908c8da9f20443f61d90f0870a312642991fe8462a0b9391784"
-        },
-        {
-          "id": {
-            "group": "commons-logging",
-            "name": "commons-logging",
-            "version": "1.1.3",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "commons-logging-1.1.3.pom",
-          "path": "commons-logging/commons-logging/1.1.3",
-          "urls": [
-            "https://plugins.gradle.org/m2/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.pom"
-          ],
-          "sha256": "3250ac3ac6bd60ed0631f5cd0335032b2993d63e405a6ae0555d27a7e4865849"
-        },
-        {
-          "id": {
-            "group": "gradle.plugin.net.vivin",
-            "name": "gradle-semantic-build-versioning",
-            "version": "4.0.0",
-            "type": "jar",
-            "extension": "jar"
-          },
-          "name": "gradle-semantic-build-versioning-4.0.0.jar",
-          "path": "gradle/plugin/net/vivin/gradle-semantic-build-versioning/4.0.0",
-          "urls": [
-            "https://plugins.gradle.org/m2/gradle/plugin/net/vivin/gradle-semantic-build-versioning/4.0.0/gradle-semantic-build-versioning-4.0.0.jar"
-          ],
-          "sha256": "5138e67ce8e019437800b93c9f6f9d0fcbebefadc96fbc4ebc0975c99a261ef8"
-        },
-        {
-          "id": {
-            "group": "gradle.plugin.net.vivin",
-            "name": "gradle-semantic-build-versioning",
-            "version": "4.0.0",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "gradle-semantic-build-versioning-4.0.0.pom",
-          "path": "gradle/plugin/net/vivin/gradle-semantic-build-versioning/4.0.0",
-          "urls": [
-            "https://plugins.gradle.org/m2/gradle/plugin/net/vivin/gradle-semantic-build-versioning/4.0.0/gradle-semantic-build-versioning-4.0.0.pom"
-          ],
-          "sha256": "4f2828741607ed102d95eb5f189d496c7840ed463acea89f1e51a60567714ef7"
-        },
-        {
-          "id": {
-            "group": "org.apache",
-            "name": "apache",
-            "version": "9",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "apache-9.pom",
-          "path": "org/apache/apache/9",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/apache/9/apache-9.pom"
-          ],
-          "sha256": "4946e60a547c8eda69f3bc23c5b6f0dadcf8469ea49b1d1da7de34aecfcf18dd"
-        },
-        {
-          "id": {
-            "group": "org.apache",
-            "name": "apache",
-            "version": "13",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "apache-13.pom",
-          "path": "org/apache/apache/13",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/apache/13/apache-13.pom"
-          ],
-          "sha256": "ff513db0361fd41237bef4784968bc15aae478d4ec0a9496f811072ccaf3841d"
-        },
-        {
-          "id": {
-            "group": "org.apache.commons",
-            "name": "commons-parent",
-            "version": "22",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "commons-parent-22.pom",
-          "path": "org/apache/commons/commons-parent/22",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/commons/commons-parent/22/commons-parent-22.pom"
-          ],
-          "sha256": "fb8c5e55e30a7addb4ff210858a0e8d2494ed6757bbe19012da99d51586c3cbb"
-        },
-        {
-          "id": {
-            "group": "org.apache.commons",
-            "name": "commons-parent",
-            "version": "28",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "commons-parent-28.pom",
-          "path": "org/apache/commons/commons-parent/28",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/commons/commons-parent/28/commons-parent-28.pom"
-          ],
-          "sha256": "14733a68e8b120b69de60cd96d222146dcf32f03c1c6cc6a750b1269bafe86c7"
-        },
-        {
-          "id": {
-            "group": "org.apache.httpcomponents",
-            "name": "httpclient",
-            "version": "4.3.6",
-            "type": "jar",
-            "extension": "jar"
-          },
-          "name": "httpclient-4.3.6.jar",
-          "path": "org/apache/httpcomponents/httpclient/4.3.6",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpclient/4.3.6/httpclient-4.3.6.jar"
-          ],
-          "sha256": "79838d9eaef73d4f852c63a480830c3a2d4b590f0ab3ae815a489463e4714004"
-        },
-        {
-          "id": {
-            "group": "org.apache.httpcomponents",
-            "name": "httpclient",
-            "version": "4.3.6",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "httpclient-4.3.6.pom",
-          "path": "org/apache/httpcomponents/httpclient/4.3.6",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpclient/4.3.6/httpclient-4.3.6.pom"
-          ],
-          "sha256": "d02634f6131e914961c02aa836711ebac72704b27e26c5bd223bbad89b1b64c3"
-        },
-        {
-          "id": {
-            "group": "org.apache.httpcomponents",
-            "name": "httpcomponents-client",
-            "version": "4.3.6",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "httpcomponents-client-4.3.6.pom",
-          "path": "org/apache/httpcomponents/httpcomponents-client/4.3.6",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpcomponents-client/4.3.6/httpcomponents-client-4.3.6.pom"
-          ],
-          "sha256": "4ada2827b496339826891c7c81dceba647029de6fc1888b16b3cab5650abcc63"
-        },
-        {
-          "id": {
-            "group": "org.apache.httpcomponents",
-            "name": "httpcomponents-core",
-            "version": "4.3.3",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "httpcomponents-core-4.3.3.pom",
-          "path": "org/apache/httpcomponents/httpcomponents-core/4.3.3",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpcomponents-core/4.3.3/httpcomponents-core-4.3.3.pom"
-          ],
-          "sha256": "c16e2fc0d49ba7a02cef5b5e2600585a9f673553328a6f9e58f24296df1dd031"
-        },
-        {
-          "id": {
-            "group": "org.apache.httpcomponents",
-            "name": "httpcore",
-            "version": "4.3.3",
-            "type": "jar",
-            "extension": "jar"
-          },
-          "name": "httpcore-4.3.3.jar",
-          "path": "org/apache/httpcomponents/httpcore/4.3.3",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpcore/4.3.3/httpcore-4.3.3.jar"
-          ],
-          "sha256": "5285de80af1651c489313b91a9f40c65a4cdcb6b3bde716fcc028d16869a5a93"
-        },
-        {
-          "id": {
-            "group": "org.apache.httpcomponents",
-            "name": "httpcore",
-            "version": "4.3.3",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "httpcore-4.3.3.pom",
-          "path": "org/apache/httpcomponents/httpcore/4.3.3",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpcore/4.3.3/httpcore-4.3.3.pom"
-          ],
-          "sha256": "b427f7cf67c75a4e3f9e2108d35bf45303573c145ec778fcadcffacef17a1264"
-        },
-        {
-          "id": {
-            "group": "org.apache.httpcomponents",
-            "name": "project",
-            "version": "7",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "project-7.pom",
-          "path": "org/apache/httpcomponents/project/7",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/apache/httpcomponents/project/7/project-7.pom"
-          ],
-          "sha256": "3d6eba428555a558de046b5d76eacc1f5a54b4f5f20b84d636ed7aff18aa48c3"
-        },
-        {
-          "id": {
-            "group": "org.eclipse.jgit",
-            "name": "org.eclipse.jgit",
-            "version": "4.8.0.201706111038-r",
-            "type": "jar",
-            "extension": "jar"
-          },
-          "name": "org.eclipse.jgit-4.8.0.201706111038-r.jar",
-          "path": "org/eclipse/jgit/org.eclipse.jgit/4.8.0.201706111038-r",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/eclipse/jgit/org.eclipse.jgit/4.8.0.201706111038-r/org.eclipse.jgit-4.8.0.201706111038-r.jar"
-          ],
-          "sha256": "49d912e8d5cce0dd08dca3d390189db8692a8f7e3363cdbbe182581462000aba"
-        },
-        {
-          "id": {
-            "group": "org.eclipse.jgit",
-            "name": "org.eclipse.jgit",
-            "version": "4.8.0.201706111038-r",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "org.eclipse.jgit-4.8.0.201706111038-r.pom",
-          "path": "org/eclipse/jgit/org.eclipse.jgit/4.8.0.201706111038-r",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/eclipse/jgit/org.eclipse.jgit/4.8.0.201706111038-r/org.eclipse.jgit-4.8.0.201706111038-r.pom"
-          ],
-          "sha256": "a556a9f5adfc6af49b2a12e72dc3cd7e43db8fdc216c0f35885972a2f5ada27d"
-        },
-        {
-          "id": {
-            "group": "org.eclipse.jgit",
-            "name": "org.eclipse.jgit-parent",
-            "version": "4.8.0.201706111038-r",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "org.eclipse.jgit-parent-4.8.0.201706111038-r.pom",
-          "path": "org/eclipse/jgit/org.eclipse.jgit-parent/4.8.0.201706111038-r",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/eclipse/jgit/org.eclipse.jgit-parent/4.8.0.201706111038-r/org.eclipse.jgit-parent-4.8.0.201706111038-r.pom"
-          ],
-          "sha256": "396a4cc894206873ff107d066a996252b0b47f585b88cf57fc3b31e93d492878"
-        },
-        {
-          "id": {
-            "group": "org.slf4j",
-            "name": "slf4j-api",
-            "version": "1.7.2",
-            "type": "jar",
-            "extension": "jar"
-          },
-          "name": "slf4j-api-1.7.2.jar",
-          "path": "org/slf4j/slf4j-api/1.7.2",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/slf4j/slf4j-api/1.7.2/slf4j-api-1.7.2.jar"
-          ],
-          "sha256": "3bae789b401333b2a1d1603b7fa573e19908628191707203f6eb708cdee2c052"
-        },
-        {
-          "id": {
-            "group": "org.slf4j",
-            "name": "slf4j-api",
-            "version": "1.7.2",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "slf4j-api-1.7.2.pom",
-          "path": "org/slf4j/slf4j-api/1.7.2",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/slf4j/slf4j-api/1.7.2/slf4j-api-1.7.2.pom"
-          ],
-          "sha256": "2eaca71afe0a1516f4abd8e9ff907838d268f38c81c3a542cce8d7f3b87c5d4c"
-        },
-        {
-          "id": {
-            "group": "org.slf4j",
-            "name": "slf4j-parent",
-            "version": "1.7.2",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "slf4j-parent-1.7.2.pom",
-          "path": "org/slf4j/slf4j-parent/1.7.2",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/slf4j/slf4j-parent/1.7.2/slf4j-parent-1.7.2.pom"
-          ],
-          "sha256": "1d8e084a6f2384ade42685332b52a0ece090478641dc14c0fa8c52e1e2984425"
-        },
-        {
-          "id": {
-            "group": "org.sonatype.oss",
-            "name": "oss-parent",
-            "version": "5",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "oss-parent-5.pom",
-          "path": "org/sonatype/oss/oss-parent/5",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/sonatype/oss/oss-parent/5/oss-parent-5.pom"
-          ],
-          "sha256": "1678d4120a585d8a630131aeec4c524d928398583b7eab616ee7d5a87f520d3d"
-        },
-        {
-          "id": {
-            "group": "org.sonatype.oss",
-            "name": "oss-parent",
-            "version": "6",
-            "type": "pom",
-            "extension": "pom"
-          },
-          "name": "oss-parent-6.pom",
-          "path": "org/sonatype/oss/oss-parent/6",
-          "urls": [
-            "https://plugins.gradle.org/m2/org/sonatype/oss/oss-parent/6/oss-parent-6.pom"
-          ],
-          "sha256": "b4306d13e8f5392458a1b30866f1cff161b3d2e6999a88d059eea3932c8a8499"
-        }
-      ],
-      "plugin": [],
-      "buildscript": [],
-      "project": []
-    }
-  }
-}
\ No newline at end of file
diff --git a/fixtures/projects/integration/settings-buildscript/groovy/gradle-env.nix b/fixtures/projects/integration/settings-buildscript/groovy/gradle-env.nix
deleted file mode 100644
index c150b9c..0000000
--- a/fixtures/projects/integration/settings-buildscript/groovy/gradle-env.nix
+++ /dev/null
@@ -1,368 +0,0 @@
-# This file is generated by gradle2nix.
-#
-# Example usage (e.g. in default.nix):
-#
-#     with (import <nixpkgs> {});
-#     let
-#       buildGradle = callPackage ./gradle-env.nix {};
-#     in
-#       buildGradle {
-#         envSpec = ./gradle-env.json;
-#
-#         src = ./.;
-#
-#         gradleFlags = [ "installDist" ];
-#
-#         installPhase = ''
-#           mkdir -p $out
-#           cp -r app/build/install/myproject $out
-#         '';
-#       }
-
-{
-  stdenv,
-  buildEnv,
-  fetchurl,
-  gradleGen,
-  writeText,
-  writeTextDir,
-}:
-
-{
-  envSpec,
-  pname ? null,
-  version ? null,
-  enableParallelBuilding ? true,
-  gradleFlags ? [ "build" ],
-  gradlePackage ? null,
-  enableDebug ? false,
-  ...
-}@args:
-
-let
-  inherit (builtins)
-    attrValues
-    concatStringsSep
-    filter
-    fromJSON
-    match
-    replaceStrings
-    sort
-    ;
-
-  inherit (stdenv.lib)
-    assertMsg
-    concatMapStringsSep
-    groupBy'
-    hasSuffix
-    last
-    mapAttrs
-    mapAttrsToList
-    optionalString
-    readFile
-    removeSuffix
-    unique
-    versionAtLeast
-    versionOlder
-    ;
-
-  mkDep =
-    depSpec:
-    stdenv.mkDerivation {
-      inherit (depSpec) name;
-
-      src = fetchurl { inherit (depSpec) urls sha256; };
-
-      phases = "installPhase";
-
-      installPhase = ''
-        mkdir -p $out/${depSpec.path}
-        ln -s $src $out/${depSpec.path}/${depSpec.name}
-      '';
-    };
-
-  mkModuleMetadata =
-    deps:
-    let
-      ids = filter (id: id.type == "pom") (map (dep: dep.id) deps);
-
-      modules =
-        groupBy'
-          (
-            meta: id:
-            let
-              isNewer = versionOlder meta.latest id.version;
-              isNewerRelease = !(hasSuffix "-SNAPSHOT" id.version) && versionOlder meta.release id.version;
-            in
-            {
-              groupId = id.group;
-              artifactId = id.name;
-              latest = if isNewer then id.version else meta.latest;
-              release = if isNewerRelease then id.version else meta.release;
-              versions = meta.versions ++ [ id.version ];
-            }
-          )
-          {
-            latest = "";
-            release = "";
-            versions = [ ];
-          }
-          (id: "${replaceStrings [ "." ] [ "/" ] id.group}/${id.name}/maven-metadata.xml")
-          ids;
-    in
-    attrValues (
-      mapAttrs (
-        path: meta:
-        let
-          versions' = sort versionOlder (unique meta.versions);
-        in
-        with meta;
-        writeTextDir path ''
-          <?xml version="1.0" encoding="UTF-8"?>
-          <metadata modelVersion="1.1">
-            <groupId>${groupId}</groupId>
-            <artifactId>${artifactId}</artifactId>
-            <versioning>
-              ${optionalString (latest != "") "<latest>${latest}</latest>"}
-              ${optionalString (release != "") "<release>${release}</release>"}
-              <versions>
-                ${concatMapStringsSep "\n    " (v: "<version>${v}</version>") versions'}
-              </versions>
-            </versioning>
-          </metadata>
-        ''
-      ) modules
-    );
-
-  mkSnapshotMetadata =
-    deps:
-    let
-      snapshotDeps = filter (dep: dep ? build && dep ? timestamp) deps;
-
-      modules =
-        groupBy'
-          (
-            meta: dep:
-            let
-              id = dep.id;
-              isNewer = dep.build > meta.buildNumber;
-              # Timestamp values can be bogus, e.g. jitpack.io
-              updated =
-                if (match "[0-9]{8}\.[0-9]{6}" dep.timestamp) != null then
-                  replaceStrings [ "." ] [ "" ] dep.timestamp
-                else
-                  "";
-            in
-            {
-              groupId = id.group;
-              artifactId = id.name;
-              version = id.version;
-              timestamp = if isNewer then dep.timestamp else meta.timestamp;
-              buildNumber = if isNewer then dep.build else meta.buildNumber;
-              lastUpdated = if isNewer then updated else meta.lastUpdated;
-              versions = meta.versions or [ ] ++ [
-                {
-                  classifier = id.classifier or "";
-                  extension = id.extension;
-                  value = "${removeSuffix "-SNAPSHOT" id.version}-${dep.timestamp}-${toString dep.build}";
-                  updated = updated;
-                }
-              ];
-            }
-          )
-          {
-            timestamp = "";
-            buildNumber = -1;
-            lastUpdated = "";
-          }
-          (
-            dep:
-            "${replaceStrings [ "." ] [ "/" ] dep.id.group}/${dep.id.name}/${dep.id.version}/maven-metadata.xml"
-          )
-          snapshotDeps;
-
-      mkSnapshotVersion = version: ''
-        <snapshotVersion>
-          ${optionalString (version.classifier != "") "<classifier>${version.classifier}</classifier>"}
-          <extension>${version.extension}</extension>
-          <value>${version.value}</value>
-          ${optionalString (version.updated != "") "<updated>${version.updated}</updated>"}
-        </snapshotVersion>
-      '';
-    in
-    attrValues (
-      mapAttrs (
-        path: meta:
-        with meta;
-        writeTextDir path ''
-          <?xml version="1.0" encoding="UTF-8"?>
-          <metadata modelVersion="1.1">
-            <groupId>${groupId}</groupId>
-            <artifactId>${artifactId}</artifactId>
-            <version>${version}</version>
-            <versioning>
-              <snapshot>
-                ${optionalString (timestamp != "") "<timestamp>${timestamp}</timestamp>"}
-                ${optionalString (buildNumber != -1) "<buildNumber>${toString buildNumber}</buildNumber>"}
-              </snapshot>
-              ${optionalString (lastUpdated != "") "<lastUpdated>${lastUpdated}</lastUpdated>"}
-              <snapshotVersions>
-                ${concatMapStringsSep "\n    " mkSnapshotVersion versions}
-              </snapshotVersions>
-            </versioning>
-          </metadata>
-        ''
-      ) modules
-    );
-
-  mkRepo =
-    project: type: deps:
-    buildEnv {
-      name = "${project}-gradle-${type}-env";
-      paths = map mkDep deps ++ mkModuleMetadata deps ++ mkSnapshotMetadata deps;
-    };
-
-  mkInitScript =
-    projectSpec: gradle:
-    let
-      repos = mapAttrs (mkRepo projectSpec.name) projectSpec.dependencies;
-      hasDependencies = mapAttrs (type: deps: deps != [ ]) projectSpec.dependencies;
-    in
-    assert (
-      assertMsg (hasDependencies.settings -> versionAtLeast gradle.version "6.0") ''
-        Project `${projectSpec.name}' has settings script dependencies, such as settings
-        plugins, which are not supported by gradle2nix for Gradle versions prior to 6.0.
-
-        Potential remedies:
-        - Pass `--gradle-version=<version>' to the gradle2nix command.
-        - Patch the `settings.gradle[.kts]' file to remove script dependencies.
-      ''
-    );
-
-    writeText "init.gradle" ''
-      static def offlineRepo(RepositoryHandler repositories, String env, String path) {
-          repositories.clear()
-          repositories.maven {
-              name "Nix''${env.capitalize()}MavenOffline"
-              url path
-              metadataSources {
-                  it.gradleMetadata()
-                  it.mavenPom()
-                  it.artifact()
-              }
-          }
-          repositories.ivy {
-              name "Nix''${env.capitalize()}IvyOffline"
-              url path
-              layout "maven"
-              metadataSources {
-                  it.gradleMetadata()
-                  it.ivyDescriptor()
-                  it.artifact()
-              }
-          }
-      }
-
-      ${optionalString (hasDependencies.settings && (versionAtLeast gradle.version "6.0")) ''
-        gradle.beforeSettings {
-            offlineRepo(it.buildscript.repositories, "settings", "${repos.settings}")
-        }
-      ''}
-
-      ${optionalString (hasDependencies.plugin) ''
-        gradle.settingsEvaluated {
-            offlineRepo(it.pluginManagement.repositories, "plugin", "${repos.plugin}")
-        }
-      ''}
-
-      ${optionalString (hasDependencies.buildscript) ''
-        gradle.projectsLoaded {
-            allprojects {
-                buildscript {
-                    offlineRepo(repositories, "buildscript", "${repos.buildscript}")
-                }
-            }
-        }
-      ''}
-
-      ${optionalString (hasDependencies.project) ''
-        gradle.projectsLoaded {
-            allprojects {
-                offlineRepo(repositories, "project", "${repos.project}")
-            }
-        }
-      ''}
-    '';
-
-  mkGradle =
-    gradleSpec:
-    gradleGen.gradleGen {
-      inherit (gradleSpec) nativeVersion;
-
-      name = "gradle-${gradleSpec.version}-${gradleSpec.type}";
-
-      src = fetchurl { inherit (gradleSpec) url sha256; };
-    }
-    // {
-      inherit (gradleSpec) version;
-    };
-
-  mkProjectEnv = projectSpec: rec {
-    inherit (projectSpec) name path version;
-    gradle = args.gradlePackage or mkGradle projectSpec.gradle;
-    initScript = mkInitScript projectSpec gradle;
-  };
-
-  gradleEnv = mapAttrs (_: p: mkProjectEnv p) (fromJSON (readFile envSpec));
-
-  projectEnv = gradleEnv."";
-  pname = args.pname or projectEnv.name;
-  version = args.version or projectEnv.version;
-
-  buildProject = env: flags: ''
-    gradle --offline --no-daemon --no-build-cache \
-      --info --full-stacktrace --warning-mode=all \
-      ${optionalString enableParallelBuilding "--parallel"} \
-      ${optionalString enableDebug "-Dorg.gradle.debug=true"} \
-      --init-script ${env.initScript} \
-      ${optionalString (env.path != "") ''-p "${env.path}"''} \
-      ${concatStringsSep " " flags}
-  '';
-
-  buildIncludedProjects = concatStringsSep "\n" (
-    mapAttrsToList (_: env: buildProject env [ "build" ]) (removeAttrs gradleEnv [ "" ])
-  );
-
-  buildRootProject = buildProject projectEnv gradleFlags;
-in
-stdenv.mkDerivation (
-  args
-  // {
-
-    inherit pname version;
-
-    nativeBuildInputs = (args.nativeBuildInputs or [ ]) ++ [ projectEnv.gradle ];
-
-    buildPhase =
-      args.buildPhase or ''
-        runHook preBuild
-
-        (
-        set -x
-
-        # use the init script here
-        TMPHOME=$(mktemp -d)
-        mkdir -p $TMPHOME/init.d
-        cp ${projectEnv.initScript} $TMPHOME/init.d
-
-        export "GRADLE_USER_HOME=$TMPHOME"
-        ${buildIncludedProjects}
-        ${buildRootProject}
-        )
-
-        runHook postBuild
-      '';
-
-    dontStrip = true;
-  }
-)
diff --git a/fixtures/projects/integration/settings-buildscript/groovy/semantic-build-versioning.gradle b/fixtures/projects/integration/settings-buildscript/groovy/semantic-build-versioning.gradle
deleted file mode 100644
index 4a81ba9..0000000
--- a/fixtures/projects/integration/settings-buildscript/groovy/semantic-build-versioning.gradle
+++ /dev/null
@@ -1 +0,0 @@
-startingVersion = '1.0.0'
\ No newline at end of file
diff --git a/fixtures/projects/integration/settings-buildscript/groovy/settings.gradle b/fixtures/projects/integration/settings-buildscript/groovy/settings.gradle
index 1dfc8cd..ab00974 100644
--- a/fixtures/projects/integration/settings-buildscript/groovy/settings.gradle
+++ b/fixtures/projects/integration/settings-buildscript/groovy/settings.gradle
@@ -10,5 +10,3 @@ buildscript {
 }
 
 rootProject.name = "settings-buildscript"
-
-//apply plugin: 'net.vivin.gradle-semantic-build-versioning'
\ No newline at end of file