diff --git a/apps/vc-api/src/vc-api/credentials/credentials.service.ts b/apps/vc-api/src/vc-api/credentials/credentials.service.ts
index d00566d..d54eea7 100644
--- a/apps/vc-api/src/vc-api/credentials/credentials.service.ts
+++ b/apps/vc-api/src/vc-api/credentials/credentials.service.ts
@@ -4,7 +4,6 @@
  */
 import { BadRequestException, Injectable, InternalServerErrorException } from '@nestjs/common';
 import { DIDService } from '../../did/did.service';
-import { KeyService } from '../../key/key.service';
 import { IssueCredentialDto } from './dtos/issue-credential.dto';
 import { VerifiableCredentialDto } from './dtos/verifiable-credential.dto';
 import { VerifiablePresentationDto } from './dtos/verifiable-presentation.dto';
@@ -61,9 +60,8 @@ export class CredentialsService implements CredentialVerifier {
     const w3cVerifyCredentialOptions: W3cVerifyCredentialOptions<ClaimFormat.LdpVc> = {
       credential: W3cJsonLdVerifiableCredential.fromJson(vc)
     };
-    const obj = { ...w3cVerifyCredentialOptions };
     const verifyCredential: W3cVerifyCredentialResult =
-      await this.credoService.agent.w3cCredentials.verifyCredential(obj as any);
+      await this.credoService.agent.w3cCredentials.verifyCredential(w3cVerifyCredentialOptions as any);
     return transformVerificationResult(verifyCredential);
   }
 
@@ -85,13 +83,6 @@ export class CredentialsService implements CredentialVerifier {
     }
     const presentation = pex.presentationFrom(presentationDefinition, verifiableCredential);
 
-    const submissionContextUri = 'https://identity.foundation/presentation-exchange/submission/v1';
-
-    presentation['@context'] = Array.isArray(presentation['@context'])
-      ? presentation['@context']
-      : [presentation['@context']];
-
-    presentation['@context'] = presentation['@context'].filter((c) => c !== submissionContextUri);
     return presentation as PresentationDto;
   }
 
@@ -127,7 +118,7 @@ export class CredentialsService implements CredentialVerifier {
     const signPresentationDto: ProvePresentationDto = {
       presentation: {
         '@context': ['https://www.w3.org/2018/credentials/v1'],
-        type: ['VerifiablePresentation', 'DidAuth'],
+        type: ['VerifiablePresentation'],
         holder: authenticateDto.did
       },
       options: authenticateDto.options
diff --git a/apps/vc-api/src/vc-api/credentials/dtos/create-presentation.dto.ts b/apps/vc-api/src/vc-api/credentials/dtos/create-presentation.dto.ts
deleted file mode 100644
index f421cf6..0000000
--- a/apps/vc-api/src/vc-api/credentials/dtos/create-presentation.dto.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-import { ApiProperty } from '@nestjs/swagger';
-import { VerifiableCredentialDto } from './verifiable-credential.dto';
-import { IsArray, IsOptional } from 'class-validator';
-
-export class CreatePresentationDto {
-  @IsArray()
-  @ApiProperty({ description: 'Verifiable credentials', type: VerifiableCredentialDto, isArray: true })
-  credentials: VerifiableCredentialDto[];
-
-  @IsOptional()
-  @ApiProperty()
-  id?: string;
-
-  @IsOptional()
-  @ApiProperty()
-  holder?: string;
-}
diff --git a/apps/vc-api/test/vc-api/credential.service.spec.data.ts b/apps/vc-api/test/vc-api/credential.service.spec.data.ts
index 3af2fe0..091d68e 100644
--- a/apps/vc-api/test/vc-api/credential.service.spec.data.ts
+++ b/apps/vc-api/test/vc-api/credential.service.spec.data.ts
@@ -356,8 +356,7 @@ export const didAuth = {
       'https://www.w3.org/2018/credentials/v1'
     ],
     type: [
-      'VerifiablePresentation',
-      'DidAuth'
+      'VerifiablePresentation'
     ],
     holder: 'did:key:z6MkoB84PJkXzFpbqtfYV5WqBKHCSDf7A1SeepwzvE36QvCF',
     proof: {