diff --git a/.travis.yml b/.travis.yml
index c749c259..df4a087a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@ os:
   - windows
 
 node_js:
-  - "8"
   - "10"
   - "12"
 
diff --git a/appveyor.yml b/appveyor.yml
index 977b7d35..425ad85a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,7 +3,6 @@
 # Test against these versions of Node.js.
 environment:
   matrix:
-    - nodejs_version: "8"
     - nodejs_version: "10"
     - nodejs_version: "12"
 
diff --git a/tests/test-config-cli.js b/tests/test-config-cli.js
index c7ad3d02..5c9a8beb 100644
--- a/tests/test-config-cli.js
+++ b/tests/test-config-cli.js
@@ -27,24 +27,34 @@ t.plan(3)
 
 // dotenv/config enables preloading
 t.equal(
-  spawn([
-    '-r',
-    '../config',
-    '-e',
-    'console.log(process.env.BASIC)',
-    'dotenv_config_encoding=utf8',
-    'dotenv_config_path=./tests/.env'
-  ]),
+  spawn(
+    [
+      '-r',
+      './config',
+      '-e',
+      'console.log(process.env.BASIC)',
+      'dotenv_config_encoding=utf8',
+      'dotenv_config_path=./tests/.env'
+    ]
+  ),
   'basic\n'
 )
 
 // dotenv/config supports configuration via environment variables
 t.equal(
-  spawn(['-r', '../config', '-e', 'console.log(process.env.BASIC)'], {
-    env: {
-      DOTENV_CONFIG_PATH: './tests/.env'
+  spawn(
+    [
+      '-r',
+      './config',
+      '-e',
+      'console.log(process.env.BASIC)'
+    ],
+    {
+      env: {
+        DOTENV_CONFIG_PATH: './tests/.env'
+      }
     }
-  }),
+  ),
   'basic\n'
 )
 
@@ -53,7 +63,7 @@ t.equal(
   spawn(
     [
       '-r',
-      '../config',
+      './config',
       '-e',
       'console.log(process.env.BASIC)',
       'dotenv_config_path=./tests/.env'
diff --git a/types/index.d.ts b/types/index.d.ts
index 23f05f69..a83184cc 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -55,12 +55,5 @@ export interface DotenvConfigOutput {
  *
  */
 export function config(options?: DotenvConfigOptions): DotenvConfigOutput;
-
-/** dotenv library interface */
-export interface DotEnv {
-  config: typeof config;
-  parse: typeof parse;
-}
-
 /** @deprecated since v7.0.0 Use config instead. */
 export const load: typeof config;
diff --git a/types/test.ts b/types/test.ts
index 84b17601..bce09209 100644
--- a/types/test.ts
+++ b/types/test.ts
@@ -1,9 +1,4 @@
-import * as dotenv from "dotenv";
-
-const { config, parse }: dotenv.DotEnv = {
-  config: dotenv.config,
-  parse: dotenv.parse
-};
+import { config, parse } from "dotenv";
 
 const env = config();
 const dbUrl: string | null =