diff --git a/takari-lifecycle-plugin/pom.xml b/takari-lifecycle-plugin/pom.xml
index 319d8e20..a9410e04 100644
--- a/takari-lifecycle-plugin/pom.xml
+++ b/takari-lifecycle-plugin/pom.xml
@@ -201,12 +201,6 @@
commons-exec
1.4.0
-
-
- io.takari
- jpgp
- 1.0.13
-
io.takari.m2e.workspace
diff --git a/takari-lifecycle-plugin/src/main/java/io/takari/maven/plugins/pgp/SignArtifactMojo.java b/takari-lifecycle-plugin/src/main/java/io/takari/maven/plugins/pgp/SignArtifactMojo.java
deleted file mode 100644
index 808ed046..00000000
--- a/takari-lifecycle-plugin/src/main/java/io/takari/maven/plugins/pgp/SignArtifactMojo.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright (c) 2014-2024 Takari, Inc.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-v10.html
- */
-package io.takari.maven.plugins.pgp;
-
-import static java.nio.file.Files.copy;
-import static java.nio.file.Files.createDirectories;
-
-import io.takari.jpgp.ImmutablePgpSigningRequest;
-import io.takari.jpgp.PgpSigner;
-import io.takari.maven.plugins.TakariLifecycleMojo;
-import java.io.File;
-import java.io.IOException;
-import java.nio.file.Path;
-import java.nio.file.StandardCopyOption;
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.maven.plugin.MojoExecutionException;
-import org.apache.maven.plugins.annotations.LifecyclePhase;
-import org.apache.maven.plugins.annotations.Mojo;
-import org.apache.maven.plugins.annotations.Parameter;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@Mojo(name = "signArtifact", configurator = "takari", defaultPhase = LifecyclePhase.VERIFY, threadSafe = true)
-public class SignArtifactMojo extends TakariLifecycleMojo {
-
- public static final String PGP_SIGNATURE_EXTENSION = ".asc";
- private final Logger logger = LoggerFactory.getLogger(SignArtifactMojo.class);
-
- @Parameter(property = "gpg.skip", defaultValue = "false")
- private boolean skip;
-
- @Parameter(property = "gpg.passphrase")
- private String passphrase;
-
- @Override
- protected void executeMojo() throws MojoExecutionException {
-
- if (skip) {
- logger.info("Skipping PGP signature generation as per configuration.");
- return;
- }
-
- List mavenFilesToSign = new ArrayList<>();
- if (!"pom".equals(project.getPackaging())) {
- //
- // Primary artifact
- //
- org.apache.maven.artifact.Artifact artifact = project.getArtifact();
- File file = artifact.getFile();
- if (file == null) {
- logger.info("There is no artifact present. Make sure you run this after the package phase.");
- return;
- }
- mavenFilesToSign.add(
- new SignedFile(file.toPath(), artifact.getArtifactHandler().getExtension()));
- }
-
- //
- // POM
- //
- File pomToSign =
- new File(project.getBuild().getDirectory(), project.getBuild().getFinalName() + ".pom");
- try {
- createDirectories(pomToSign.getParentFile().toPath());
- copy(project.getFile().toPath(), pomToSign.toPath(), StandardCopyOption.REPLACE_EXISTING);
- mavenFilesToSign.add(new SignedFile(pomToSign.toPath(), "pom"));
- } catch (IOException e) {
- throw new MojoExecutionException("Error copying POM for signing.", e);
- }
-
- //
- // Attached artifacts
- //
- for (org.apache.maven.artifact.Artifact a : project.getAttachedArtifacts()) {
- mavenFilesToSign.add(
- new SignedFile(a.getFile().toPath(), a.getArtifactHandler().getExtension(), a.getClassifier()));
- }
-
- logger.debug("Signing the following files with PGP:");
- mavenFilesToSign.forEach(s -> logger.debug(s.toString()));
- PgpSigner pgpArtifactSigner =
- new PgpSigner(ImmutablePgpSigningRequest.builder().build());
- for (SignedFile pgpSignedFile : mavenFilesToSign) {
- Path file = pgpSignedFile.file();
- try {
- File pgpSignature = pgpArtifactSigner.sign(file.toFile());
- projectHelper.attachArtifact(
- project,
- pgpSignedFile.extension() + PGP_SIGNATURE_EXTENSION,
- pgpSignedFile.classifier(),
- pgpSignature);
- } catch (Exception e) {
- throw new MojoExecutionException("Error signing artifact " + file + ".", e);
- }
- }
- }
-}
diff --git a/takari-lifecycle-plugin/src/main/java/io/takari/maven/plugins/pgp/SignedFile.java b/takari-lifecycle-plugin/src/main/java/io/takari/maven/plugins/pgp/SignedFile.java
deleted file mode 100644
index 8074d472..00000000
--- a/takari-lifecycle-plugin/src/main/java/io/takari/maven/plugins/pgp/SignedFile.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (c) 2014-2024 Takari, Inc.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-v10.html
- */
-package io.takari.maven.plugins.pgp;
-
-//
-// Copyright 2021 The Sigstore Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-import java.nio.file.Path;
-
-public class SignedFile {
-
- private final Path file;
- private final String extension;
- private final String classifier;
-
- public SignedFile(Path file, String extension) {
- this(file, extension, null);
- }
-
- public SignedFile(Path file, String extension, String classifier) {
- this.file = file;
- this.extension = extension;
- this.classifier = classifier;
- }
-
- public Path file() {
- return file;
- }
-
- public String extension() {
- return extension;
- }
-
- public String classifier() {
- return classifier;
- }
-
- @Override
- public String toString() {
- return "SignedFile{" + "file="
- + file + ", extension='"
- + extension + '\'' + ", classifier='"
- + classifier + '\'' + '}';
- }
-}