diff --git a/bolt/src/artifact-manifest.cjs b/bolt/src/artifact-manifest.cjs
index c567f48..687179d 100644
--- a/bolt/src/artifact-manifest.cjs
+++ b/bolt/src/artifact-manifest.cjs
@@ -17,26 +17,8 @@
  * limitations under the License.
 */
 
-const assert = require('node:assert');
-
 // see https://github.com/rdkcentral/oci-package-spec/blob/main/format.md
 function makeArtifactManifest(spec) {
-  let imageTitle;
-
-  switch (spec.type) {
-    case 'application':
-      imageTitle = 'package.tar.gz';
-      break;
-    case 'runtime':
-      imageTitle = 'runtime.tar.gz';
-      break;
-    case 'base':
-      imageTitle = 'base.tar.gz';
-      break;
-  }
-
-  assert(imageTitle);
-
   return {
     "schemaVersion": 2,
     "mediaType": "application/vnd.oci.image.manifest.v1+json",
@@ -51,12 +33,9 @@ function makeArtifactManifest(spec) {
     },
     "layers": [
       {
-        "mediaType": "application/vnd.rdk.package.content.layer.v1.tar+gzip",
+        "mediaType": "application/vnd.rdk.package.content.layer.v1.erofs+dmverity",
         "digest": spec.contentDigest,
         "size": spec.contentSize,
-        "annotations": {
-          "org.opencontainers.image.title": imageTitle
-        }
       }
     ]
   };
diff --git a/bolt/src/pack.cjs b/bolt/src/pack.cjs
index 9758931..85e7d39 100644
--- a/bolt/src/pack.cjs
+++ b/bolt/src/pack.cjs
@@ -98,7 +98,6 @@ function packInternal(content, config, output, options) {
   const configInfo = builder.importObject(config);
 
   const manifest = makeArtifactManifest({
-    type: config.packageType,
     configSize: configInfo.size,
     configDigest: configInfo.digest,
     contentSize: contentInfo.size,
@@ -106,7 +105,6 @@ function packInternal(content, config, output, options) {
   });
 
   Object.assign(manifest.layers[0], {
-    mediaType: "application/vnd.rdk.package.content.layer.v1.erofs+dmverity",
     annotations: {
       "org.rdk.package.content.dmverity.roothash": rootHash,
       "org.rdk.package.content.dmverity.offset": "" + erofsTmpFileStat.size,