diff --git a/src/aquarius/Aquarius.ts b/src/aquarius/Aquarius.ts
index c8cc63a..fd619a2 100644
--- a/src/aquarius/Aquarius.ts
+++ b/src/aquarius/Aquarius.ts
@@ -5,7 +5,6 @@ import { EditableMetaData } from '../ddo/MetaData'
 import { Logger } from '../utils'
 import { WebServiceConnector } from '../ocean/utils/WebServiceConnector'
 
-
 const apiPath = '/api/v1/aquarius/assets/ddo'
 
 export interface QueryResult {
@@ -262,7 +261,6 @@ export class Aquarius {
         return result
     }
 
-
     public async editMetadata(
         did: DID | string,
         newMetadata: EditableMetaData,
@@ -271,17 +269,15 @@ export class Aquarius {
     ): Promise<string> {
         did = did && DID.parse(did)
         const fullUrl = `${this.url}${apiPath}/metadata/update/${did.getDid()}`
-        let data = Object()
-        if (newMetadata.description != null)
-            data.description = newMetadata.description
-        if (newMetadata.title != null)
-            data.title = newMetadata.title
+        const data = Object()
+        if (newMetadata.description != null) data.description = newMetadata.description
+        if (newMetadata.title != null) data.title = newMetadata.title
         if (newMetadata.servicePrices != null)
             data.servicePrices = newMetadata.servicePrices
         if (newMetadata.links != null) {
             data.links = []
             for (const [name, url] of Object.entries(newMetadata.links)) {
-                let asample = Object()
+                const asample = Object()
                 asample.name = name
                 asample.url = url
                 asample.type = 'sample'
@@ -291,10 +287,7 @@ export class Aquarius {
         data.updated = updated
         data.signature = signature
         const result = await this.fetch
-            .put(
-                fullUrl,
-                JSON.stringify(data)
-            )
+            .put(fullUrl, JSON.stringify(data))
             .then((response: any) => {
                 if (response.ok) {
                     return response.text
@@ -350,7 +343,6 @@ export class Aquarius {
         return result
     }
 
-
     public getServiceEndpoint(did: DID) {
         return `${this.url}/api/v1/aquarius/assets/ddo/did:op:${did.getId()}`
     }
diff --git a/src/ddo/MetaData.ts b/src/ddo/MetaData.ts
index 01aa38e..6654eae 100644
--- a/src/ddo/MetaData.ts
+++ b/src/ddo/MetaData.ts
@@ -277,14 +277,14 @@ export interface MetaData {
     curation?: Curation
 }
 
-export interface ServicePrices{
-    serviceIndex: number,
+export interface ServicePrices {
+    serviceIndex: number
     price: string
 }
 
-export interface EditableMetaData{
-    description?: string,
-    title?: string,
-    links?: { [name: string]: string }[],
+export interface EditableMetaData {
+    description?: string
+    title?: string
+    links?: { [name: string]: string }[]
     servicePrices?: ServicePrices[]
 }
diff --git a/src/ocean/OceanAssets.ts b/src/ocean/OceanAssets.ts
index 0a52d84..477ab0c 100644
--- a/src/ocean/OceanAssets.ts
+++ b/src/ocean/OceanAssets.ts
@@ -395,9 +395,9 @@ export class OceanAssets extends Instantiable {
             oldDdo.updated,
             account
         )
-        let result=null
+        let result = null
         if (signature != null)
-            result=await this.ocean.aquarius.editMetadata(
+            result = await this.ocean.aquarius.editMetadata(
                 did,
                 newMetadata,
                 oldDdo.updated,
@@ -407,17 +407,14 @@ export class OceanAssets extends Instantiable {
         return result
     }
 
-    public async retire(
-        did: string,
-        account: Account
-    ): Promise<string> {
+    public async retire(did: string, account: Account): Promise<string> {
         const oldDdo = await this.ocean.aquarius.retrieveDDO(did)
         // get a signature
         const signature = await this.ocean.utils.signature.signForAquarius(
             oldDdo.updated,
             account
         )
-        let result=null
+        let result = null
         if (signature != null)
             result = await this.ocean.aquarius.retire(did, oldDdo.updated, signature)
         return result
diff --git a/src/ocean/utils/WebServiceConnector.ts b/src/ocean/utils/WebServiceConnector.ts
index 89cc4d3..49d9137 100644
--- a/src/ocean/utils/WebServiceConnector.ts
+++ b/src/ocean/utils/WebServiceConnector.ts
@@ -52,8 +52,7 @@ export class WebServiceConnector {
                     'Content-type': 'application/json'
                 }
             })
-        }
-        else {
+        } else {
             return this.fetch(url, {
                 method: 'DELETE',
                 headers: {
@@ -61,7 +60,6 @@ export class WebServiceConnector {
                 }
             })
         }
-            
     }
 
     public async downloadFile(
diff --git a/test/integration/ocean/AssetOwners.test.ts b/test/integration/ocean/AssetOwners.test.ts
index 7e616d0..2a9eda3 100644
--- a/test/integration/ocean/AssetOwners.test.ts
+++ b/test/integration/ocean/AssetOwners.test.ts
@@ -80,7 +80,7 @@ describe('Asset Owners', () => {
         const { length: finalLength1 } = await ocean.assets.consumerAssets(
             account2.getId()
         )
-        
+
         assert.equal(finalLength1 - initialLength, 0)
         // Granting access
         try {
@@ -92,7 +92,7 @@ describe('Asset Owners', () => {
                     ).toString()
                 )
             )
-        } catch { }
+        } catch {}
         await ocean.assets.order(ddo.id, account2)
         // Access granted
         const { length: finalLength2 } = await ocean.assets.consumerAssets(
@@ -114,24 +114,26 @@ describe('Asset Owners', () => {
 
     it('should be able to update metadata', async () => {
         const { id } = await ocean.assets.create(metadata as any, account1)
-        
-        let newMetaData = {title: "New title", description: "New description"};
-        await ocean.assets.editMetadata(id,newMetaData,account1)
-        
+
+        const newMetaData = { title: 'New title', description: 'New description' }
+        await ocean.assets.editMetadata(id, newMetaData, account1)
+
         const newDDO = await ocean.assets.resolve(id)
-        
-        assert.equal(newDDO['service'][0]['attributes']['main']['name'], "New title")
-        assert.equal(newDDO['service'][0]['attributes']['additionalInformation']['description'], "New description")
+
+        assert.equal(newDDO.service[0].attributes.main.name, 'New title')
+        assert.equal(
+            newDDO.service[0].attributes.additionalInformation.description,
+            'New description'
+        )
     })
 
     it('should be able to retire metadata', async () => {
         const { id } = await ocean.assets.create(metadata as any, account1)
-        
-        await ocean.assets.retire(id,account1)
-        
+
+        await ocean.assets.retire(id, account1)
+
         const newDDO = await ocean.assets.resolve(id)
-        
+
         assert.equal(newDDO, null)
-        
     })
 })