diff --git a/keyserver/src/services/blob.js b/keyserver/src/services/blob.js
--- a/keyserver/src/services/blob.js
+++ b/keyserver/src/services/blob.js
@@ -109,4 +109,24 @@
   return { found: true, blob };
 }
 
-export { upload, uploadBlob, assignHolder, download };
+type DeleteBlobParams = {
+  +hash: string,
+  +holder: string,
+};
+async function deleteBlob(params: DeleteBlobParams, instant?: boolean) {
+  const { hash, holder } = params;
+  const endpoint = blobService.httpEndpoints.DELETE_BLOB;
+  const url = makeBlobServiceEndpointURL(endpoint);
+  const headers = await createRequestHeaders();
+  await fetch(url, {
+    method: endpoint.method,
+    body: JSON.stringify({
+      holder,
+      blob_hash: hash,
+      instant_delete: !!instant,
+    }),
+    headers,
+  });
+}
+
+export { upload, uploadBlob, assignHolder, download, deleteBlob };