diff --git a/packages/sdk/src/api/VCL.ts b/packages/sdk/src/api/VCL.ts
index 98ba24b..db258cf 100644
--- a/packages/sdk/src/api/VCL.ts
+++ b/packages/sdk/src/api/VCL.ts
@@ -26,7 +26,7 @@ import VCLSubmissionResult from "./entities/VCLSubmissionResult";
 import VCLToken from "./entities/VCLToken";
 import VCLVerifiedProfile from "./entities/VCLVerifiedProfile";
 import VCLVerifiedProfileDescriptor from "./entities/VCLVerifiedProfileDescriptor";
-import { Nullish } from "../Nullish";
+import { Nullish } from "../types";
 
 export default interface VCL {
     initialize(
diff --git a/packages/sdk/src/api/entities/VCLCountries.ts b/packages/sdk/src/api/entities/VCLCountries.ts
index 6404ca9..20df5a6 100644
--- a/packages/sdk/src/api/entities/VCLCountries.ts
+++ b/packages/sdk/src/api/entities/VCLCountries.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLCountry from "./VCLCountry";
 
 class VCLCountries {
diff --git a/packages/sdk/src/api/entities/VCLCountry.ts b/packages/sdk/src/api/entities/VCLCountry.ts
index e39fed8..63cb6ee 100644
--- a/packages/sdk/src/api/entities/VCLCountry.ts
+++ b/packages/sdk/src/api/entities/VCLCountry.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLPlace from "./VCLPlace";
 import VCLRegions from "./VCLRegions";
 
diff --git a/packages/sdk/src/api/entities/VCLCredentialManifest.ts b/packages/sdk/src/api/entities/VCLCredentialManifest.ts
index bef1c02..5aaa083 100644
--- a/packages/sdk/src/api/entities/VCLCredentialManifest.ts
+++ b/packages/sdk/src/api/entities/VCLCredentialManifest.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLJwt from "./VCLJwt";
 import VCLVerifiedProfile from "./VCLVerifiedProfile";
 
diff --git a/packages/sdk/src/api/entities/VCLCredentialManifestDescriptor.ts b/packages/sdk/src/api/entities/VCLCredentialManifestDescriptor.ts
index 970867b..36a13a7 100644
--- a/packages/sdk/src/api/entities/VCLCredentialManifestDescriptor.ts
+++ b/packages/sdk/src/api/entities/VCLCredentialManifestDescriptor.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLIssuingType from "./VCLIssuingType";
 import VCLPushDelegate from "./VCLPushDelegate";
 
diff --git a/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorByDeepLink.ts b/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorByDeepLink.ts
index 61a9a8e..ccf74ad 100644
--- a/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorByDeepLink.ts
+++ b/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorByDeepLink.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLCredentialManifestDescriptor from "./VCLCredentialManifestDescriptor";
 import VCLDeepLink from "./VCLDeepLink";
 import VCLIssuingType from "./VCLIssuingType";
diff --git a/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorByService.ts b/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorByService.ts
index 8e15e8d..99e7ba7 100644
--- a/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorByService.ts
+++ b/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorByService.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLCredentialManifestDescriptor from "./VCLCredentialManifestDescriptor";
 import VCLIssuingType from "./VCLIssuingType";
 import VCLPushDelegate from "./VCLPushDelegate";
diff --git a/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorRefresh.ts b/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorRefresh.ts
index a628d61..d688e60 100644
--- a/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorRefresh.ts
+++ b/packages/sdk/src/api/entities/VCLCredentialManifestDescriptorRefresh.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLCredentialManifestDescriptor from "./VCLCredentialManifestDescriptor";
 import VCLIssuingType from "./VCLIssuingType";
 import VCLService from "./VCLService";
diff --git a/packages/sdk/src/api/entities/VCLDeepLink.ts b/packages/sdk/src/api/entities/VCLDeepLink.ts
index c356c22..b38f676 100644
--- a/packages/sdk/src/api/entities/VCLDeepLink.ts
+++ b/packages/sdk/src/api/entities/VCLDeepLink.ts
@@ -1,5 +1,5 @@
 import "../../impl/extensions/StringExtensions";
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 
 export default class VCLDeepLink {
     public requestUri: Nullish<string>;
diff --git a/packages/sdk/src/api/entities/VCLJwt.ts b/packages/sdk/src/api/entities/VCLJwt.ts
index 6dbb819..766f00b 100644
--- a/packages/sdk/src/api/entities/VCLJwt.ts
+++ b/packages/sdk/src/api/entities/VCLJwt.ts
@@ -1,4 +1,4 @@
-import { JWK, base64url } from "jose";
+import { Nullish } from "../../types";
 
 export default class VCLJwt {
     public encodedJwt: Nullish<string>;
diff --git a/packages/sdk/src/api/entities/VCLOrganizationsSearchDescriptor.ts b/packages/sdk/src/api/entities/VCLOrganizationsSearchDescriptor.ts
index 2b61c3b..177f2b0 100644
--- a/packages/sdk/src/api/entities/VCLOrganizationsSearchDescriptor.ts
+++ b/packages/sdk/src/api/entities/VCLOrganizationsSearchDescriptor.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLServiceTypes from "./VCLServiceTypes";
 
 export default class VCLOrganizationsSearchDescriptor {
diff --git a/packages/sdk/src/api/entities/VCLPresentationRequest.ts b/packages/sdk/src/api/entities/VCLPresentationRequest.ts
index dde5d8e..35142fd 100644
--- a/packages/sdk/src/api/entities/VCLPresentationRequest.ts
+++ b/packages/sdk/src/api/entities/VCLPresentationRequest.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLDeepLink from "./VCLDeepLink";
 import VCLJwt from "./VCLJwt";
 import VCLPushDelegate from "./VCLPushDelegate";
diff --git a/packages/sdk/src/api/entities/VCLPresentationRequestDescriptor.ts b/packages/sdk/src/api/entities/VCLPresentationRequestDescriptor.ts
index e3fbba7..040747d 100644
--- a/packages/sdk/src/api/entities/VCLPresentationRequestDescriptor.ts
+++ b/packages/sdk/src/api/entities/VCLPresentationRequestDescriptor.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLDeepLink from "./VCLDeepLink";
 import VCLPushDelegate from "./VCLPushDelegate";
 
diff --git a/packages/sdk/src/api/entities/VCLResult.ts b/packages/sdk/src/api/entities/VCLResult.ts
index 7aa90ef..167a9e0 100644
--- a/packages/sdk/src/api/entities/VCLResult.ts
+++ b/packages/sdk/src/api/entities/VCLResult.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLError from "./error/VCLError";
 
 export default class VCLResult<R> {
diff --git a/packages/sdk/src/api/entities/VCLServiceCredentialAgentIssuer.ts b/packages/sdk/src/api/entities/VCLServiceCredentialAgentIssuer.ts
index 8d8cdf1..bcb41a0 100644
--- a/packages/sdk/src/api/entities/VCLServiceCredentialAgentIssuer.ts
+++ b/packages/sdk/src/api/entities/VCLServiceCredentialAgentIssuer.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLService from "./VCLService";
 
 export default class VCLServiceCredentialAgentIssuer extends VCLService {
diff --git a/packages/sdk/src/api/entities/VCLSubmission.ts b/packages/sdk/src/api/entities/VCLSubmission.ts
index a0a4abe..20b4d69 100644
--- a/packages/sdk/src/api/entities/VCLSubmission.ts
+++ b/packages/sdk/src/api/entities/VCLSubmission.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLJwt from "./VCLJwt";
 import VCLPushDelegate from "./VCLPushDelegate";
 import VCLVerifiableCredential from "./VCLVerifiableCredential";
diff --git a/packages/sdk/src/api/entities/VCLToken.ts b/packages/sdk/src/api/entities/VCLToken.ts
index e8fc13f..27d219c 100644
--- a/packages/sdk/src/api/entities/VCLToken.ts
+++ b/packages/sdk/src/api/entities/VCLToken.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLJwt from "./VCLJwt"
 
 export default class VCLToken {
diff --git a/packages/sdk/src/api/entities/VCLVerifiedProfile.ts b/packages/sdk/src/api/entities/VCLVerifiedProfile.ts
index 2907815..66ab8db 100644
--- a/packages/sdk/src/api/entities/VCLVerifiedProfile.ts
+++ b/packages/sdk/src/api/entities/VCLVerifiedProfile.ts
@@ -22,7 +22,7 @@ data class VCLVerifiedProfile(val payload: JSONObject) {
 }
 */
 
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import VCLServiceType from "./VCLServiceType";
 import VCLServiceTypes from "./VCLServiceTypes";
 
diff --git a/packages/sdk/src/api/entities/error/VCLError.ts b/packages/sdk/src/api/entities/error/VCLError.ts
index b854e92..f991973 100644
--- a/packages/sdk/src/api/entities/error/VCLError.ts
+++ b/packages/sdk/src/api/entities/error/VCLError.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../../Nullish";
+import { Nullish } from "../../../types";
 import VCLErrorCode from "./VCLErrorCode";
 
 export default class VCLError extends Error {
diff --git a/packages/sdk/src/impl/data/infrastructure/network/Request.ts b/packages/sdk/src/impl/data/infrastructure/network/Request.ts
index afee43d..86a9a67 100644
--- a/packages/sdk/src/impl/data/infrastructure/network/Request.ts
+++ b/packages/sdk/src/impl/data/infrastructure/network/Request.ts
@@ -1,3 +1,5 @@
+import { Nullish } from "../../../../types";
+
 export enum HttpMethod {
     GET = "GET",
     POST = "POST",
diff --git a/packages/sdk/src/impl/data/repositories/CredentialTypesUIFormSchemaRepositoryImpl.ts b/packages/sdk/src/impl/data/repositories/CredentialTypesUIFormSchemaRepositoryImpl.ts
index 2d362fb..befa682 100644
--- a/packages/sdk/src/impl/data/repositories/CredentialTypesUIFormSchemaRepositoryImpl.ts
+++ b/packages/sdk/src/impl/data/repositories/CredentialTypesUIFormSchemaRepositoryImpl.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../../Nullish";
+import { Nullish } from "../../../types";
 import VCLCountries from "../../../api/entities/VCLCountries";
 import VCLCredentialTypesUIFormSchema from "../../../api/entities/VCLCredentialTypesUIFormSchema";
 import VCLCredentialTypesUIFormSchemaDescriptor from "../../../api/entities/VCLCredentialTypesUIFormSchemaDescriptor";
diff --git a/packages/sdk/src/impl/domain/usecases/FinalizeOffersUseCase.ts b/packages/sdk/src/impl/domain/usecases/FinalizeOffersUseCase.ts
index cfa0797..76a074f 100644
--- a/packages/sdk/src/impl/domain/usecases/FinalizeOffersUseCase.ts
+++ b/packages/sdk/src/impl/domain/usecases/FinalizeOffersUseCase.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../../Nullish";
+import { Nullish } from "../../../types";
 import VCLDidJwk from "../../../api/entities/VCLDidJwk";
 import VCLFinalizeOffersDescriptor from "../../../api/entities/VCLFinalizeOffersDescriptor";
 import VCLJwtVerifiableCredentials from "../../../api/entities/VCLJwtVerifiableCredentials";
diff --git a/packages/sdk/src/impl/domain/usecases/SubmissionUseCase.ts b/packages/sdk/src/impl/domain/usecases/SubmissionUseCase.ts
index 9ab168f..bd304b8 100644
--- a/packages/sdk/src/impl/domain/usecases/SubmissionUseCase.ts
+++ b/packages/sdk/src/impl/domain/usecases/SubmissionUseCase.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../../Nullish";
+import { Nullish } from "../../../types";
 import VCLDidJwk from "../../../api/entities/VCLDidJwk";
 import VCLResult from "../../../api/entities/VCLResult";
 import VCLSubmission from "../../../api/entities/VCLSubmission";
diff --git a/packages/sdk/src/impl/utils/VCLLog.ts b/packages/sdk/src/impl/utils/VCLLog.ts
index 08d3561..d397a0e 100644
--- a/packages/sdk/src/impl/utils/VCLLog.ts
+++ b/packages/sdk/src/impl/utils/VCLLog.ts
@@ -1,4 +1,4 @@
-import { Nullish } from "../../Nullish";
+import { Nullish } from "../../types";
 import GlobalConfig from "../GlobalConfig";
 
 export default class VCLLog {
diff --git a/packages/sdk/src/index.ts b/packages/sdk/src/index.ts
index 14932e8..3f2efdd 100644
--- a/packages/sdk/src/index.ts
+++ b/packages/sdk/src/index.ts
@@ -54,7 +54,7 @@ import VCLKeyService from "./api/keys/VCLKeyService";
 import VCLJwtSignService from "./api/jwt/VCLJwtSignService";
 import VCLJwtVerifyService from "./api/jwt/VCLJwtVerifyService";
 import VCLResult from "./api/entities/VCLResult";
-import { Nullish } from "./Nullish";
+import { Nullish } from "./types";
 
 export {
     VCL,
diff --git a/packages/sdk/src/Nullish.ts b/packages/sdk/src/types.ts
similarity index 100%
rename from packages/sdk/src/Nullish.ts
rename to packages/sdk/src/types.ts
diff --git a/packages/sdk/test/NetworkServiceSuccess.ts b/packages/sdk/test/NetworkServiceSuccess.ts
index 4e37e33..8187385 100644
--- a/packages/sdk/test/NetworkServiceSuccess.ts
+++ b/packages/sdk/test/NetworkServiceSuccess.ts
@@ -4,7 +4,7 @@ import Request, {
     HttpMethod,
 } from "../src/impl/data/infrastructure/network/Request";
 import Response from "../src/impl/data/infrastructure/network/Response";
-import { Nullish } from "../src/Nullish";
+import { Nullish } from "../src/types";
 
 export default class NetworkServiceSuccess implements NetworkService {
     constructor(private readonly validResponse: JSONObject) {}
diff --git a/packages/sdk/tsconfig.json b/packages/sdk/tsconfig.json
index ace7a3b..ad083c2 100644
--- a/packages/sdk/tsconfig.json
+++ b/packages/sdk/tsconfig.json
@@ -25,9 +25,7 @@
     },
   },
   "include": [
-    "./src/**/*",
-    "global.d.ts",
-    "index.d.ts"
+    "./src/**/*"
   ],
   "exclude": [
     "node_modules",