diff --git a/src/expo.ts b/src/expo.ts
index a949520..be4dc2b 100644
--- a/src/expo.ts
+++ b/src/expo.ts
@@ -1,6 +1,6 @@
 import detectIndent from 'detect-indent';
 import detectNewline from 'detect-newline';
-import { readFile, readJson, writeJson } from 'fs-extra';
+import { readFile, writeJson } from 'fs-extra';
 import { Context } from './types';
 
 /**
diff --git a/src/types.ts b/src/types.ts
index adcda7c..bb34a0b 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,4 +1,3 @@
-import { SemVer } from 'semver';
 import { Manifest, ManifestMeta } from './expo';
 
 /**
@@ -52,8 +51,8 @@ export interface Context {
 	nextRelease?: NextRelease;
 	/** The shared logger instance of semantic release. */
 	logger: {
-		log: (message: string, ...vars: any[]) => void,
-		error: (message: string, ...vars: any[]) => void,
+		log: (message: string, ...vars: any[]) => void;
+		error: (message: string, ...vars: any[]) => void;
 	};
 }
 
diff --git a/test/factory.ts b/test/factory.ts
index f01c67f..8eb8475 100644
--- a/test/factory.ts
+++ b/test/factory.ts
@@ -9,18 +9,6 @@ export function createConfig(): Config {
 	return {};
 }
 
-/**
- * Create a (full) context object with logger, options and last/next releases.
- */
-export function createContext(options: { next?: NextRelease, last?: LastRelease } = {}): Context {
-	return {
-		...createContextLogger(),
-		...createContextOptions(),
-		...createContextNextRelease(options.next),
-		...createContextLastRelease(options.last),
-	};
-}
-
 /**
  * Create a context partial with a mocked logger.
  */
@@ -83,3 +71,15 @@ export function createManifestMeta(manifest: Manifest): ManifestMeta {
 		manifest,
 	};
 }
+
+/**
+ * Create a (full) context object with logger, options and last/next releases.
+ */
+export function createContext(options: { next?: NextRelease; last?: LastRelease } = {}): Context {
+	return {
+		...createContextLogger(),
+		...createContextOptions(),
+		...createContextNextRelease(options.next),
+		...createContextLastRelease(options.last),
+	};
+}
diff --git a/test/scripts/verify-conditions.test.ts b/test/scripts/verify-conditions.test.ts
index fd875a5..ae76fd9 100644
--- a/test/scripts/verify-conditions.test.ts
+++ b/test/scripts/verify-conditions.test.ts
@@ -5,9 +5,6 @@ jest.doMock('../../src/expo', () => ({ readManifests, MANIFEST_FILE: 'app.json'
 import verifyConditions from '../../src/scripts/verify-conditions';
 import { createContext } from '../factory';
 
-// tslint:disable-next-line:no-var-requires
-const SemanticReleaseError = require('@semantic-release/error');
-
 describe('scripts/verify-conditions', () => {
 	it('reads manifest and logs name', async () => {
 		const context = createContext();