diff --git a/src/it/metadata-it/verify.groovy b/src/it/metadata-it/verify.groovy
index a59c34d2a..9fe405d98 100644
--- a/src/it/metadata-it/verify.groovy
+++ b/src/it/metadata-it/verify.groovy
@@ -35,7 +35,7 @@ try (JarFile j1 = new JarFile(p1)) {
     assert attributes.getValue('Plugin-Version').startsWith('1.0-SNAPSHOT')
     assert attributes.getValue('Url').equals('https://plugins.jenkins.io/plugin1/')
     assert attributes.getValue('Plugin-ScmConnection').equals('scm:git:https://github.com/jenkinsci/maven-hpi-plugin.git')
-    def matcher = attributes.getValue('Plugin-GitHash') =~ pattern
+    def matcher = attributes.getValue('Implementation-Build') =~ pattern
     assert matcher.matches()
 }
 
@@ -68,7 +68,7 @@ try (JarFile j2 = new JarFile(p2)) {
     assert attributes.getValue('Plugin-Version').startsWith('1.0-SNAPSHOT')
     assert attributes.getValue('Url').equals('https://plugins.jenkins.io/multimodule-it-plugin2/')
     assert attributes.getValue('Plugin-ScmConnection').equals('scm:git:https://github.com/jenkinsci/maven-hpi-plugin.git')
-    def matcher = attributes.getValue('Plugin-GitHash') =~ pattern
+    def matcher = attributes.getValue('Implementation-Build') =~ pattern
     assert matcher.matches()
 }
 
diff --git a/src/it/verify-it/verify.groovy b/src/it/verify-it/verify.groovy
index 7c9cf0d04..9ce357ed2 100644
--- a/src/it/verify-it/verify.groovy
+++ b/src/it/verify-it/verify.groovy
@@ -56,7 +56,7 @@ Files.newInputStream(new File(basedir, 'target/verify-it/META-INF/MANIFEST.MF').
   assert manifest.getMainAttributes().getValue('Plugin-ScmConnection').equals('scm:git:https://github.com/jenkinsci/verify-it-plugin.git')
   assert manifest.getMainAttributes().getValue('Plugin-ScmTag').equals('HEAD')
   assert manifest.getMainAttributes().getValue('Plugin-ScmUrl').equals('https://github.com/jenkinsci/verify-it-plugin')
-  def matcher = manifest.getMainAttributes().getValue('Plugin-GitHash') =~ pattern
+  def matcher = manifest.getMainAttributes().getValue('Implementation-Build') =~ pattern
   assert matcher.matches()
   assert manifest.getMainAttributes().getValue('Plugin-Version').startsWith('1.0-SNAPSHOT')
   assert manifest.getMainAttributes().getValue('Short-Name').equals('verify-it')
diff --git a/src/main/java/org/jenkinsci/maven/plugins/hpi/AbstractJenkinsManifestMojo.java b/src/main/java/org/jenkinsci/maven/plugins/hpi/AbstractJenkinsManifestMojo.java
index f9575a982..690e88a67 100644
--- a/src/main/java/org/jenkinsci/maven/plugins/hpi/AbstractJenkinsManifestMojo.java
+++ b/src/main/java/org/jenkinsci/maven/plugins/hpi/AbstractJenkinsManifestMojo.java
@@ -254,10 +254,7 @@ protected void setAttributes(Manifest.ExistingSection mainSection)
                 mainSection, "Plugin-ScmConnection", project.getScm().getConnection());
         addAttributeIfNotNull(mainSection, "Plugin-ScmTag", project.getScm().getTag());
         addAttributeIfNotNull(mainSection, "Plugin-ScmUrl", project.getScm().getUrl());
-        String gitHash = getGitHeadSha1();
-        // Deprecated: Use "Implementation-Build" for consistency with core and core components
-        addAttributeIfNotNull(mainSection, "Plugin-GitHash", gitHash);
-        addAttributeIfNotNull(mainSection, "Implementation-Build", gitHash);
+        addAttributeIfNotNull(mainSection, "Implementation-Build", getGitHeadSha1());
     }
 
     /**