diff --git a/lib/cli-options.js b/lib/cli-options.js
index ebffa6e3..b5012a89 100644
--- a/lib/cli-options.js
+++ b/lib/cli-options.js
@@ -1,4 +1,4 @@
-const re = /^dotenv_config_(encoding|path|debug|override|multiline)=(.+)$/
+const re = /^dotenv_config_(encoding|path|debug|override)=(.+)$/
 
 module.exports = function optionMatcher (args) {
   return args.reduce(function (acc, cur) {
diff --git a/lib/env-options.js b/lib/env-options.js
index 16aaab29..64e2db7b 100644
--- a/lib/env-options.js
+++ b/lib/env-options.js
@@ -17,8 +17,4 @@ if (process.env.DOTENV_CONFIG_OVERRIDE != null) {
   options.override = process.env.DOTENV_CONFIG_OVERRIDE
 }
 
-if (process.env.DOTENV_CONFIG_MULTILINE != null) {
-  options.multiline = process.env.DOTENV_CONFIG_MULTILINE
-}
-
 module.exports = options
diff --git a/tests/test-cli-options.js b/tests/test-cli-options.js
index 4d9f7318..5a4a4d52 100644
--- a/tests/test-cli-options.js
+++ b/tests/test-cli-options.js
@@ -2,8 +2,6 @@ const t = require('tap')
 
 const options = require('../lib/cli-options')
 
-t.plan(7)
-
 // matches encoding option
 t.same(options(['node', '-e', "'console.log(testing)'", 'dotenv_config_encoding=utf8']), {
   encoding: 'utf8'
@@ -24,11 +22,6 @@ t.same(options(['node', '-e', "'console.log(testing)'", 'dotenv_config_override=
   override: 'true'
 })
 
-// matches multiline option
-t.same(options(['node', '-e', "'console.log(testing)'", 'dotenv_config_multiline=true']), {
-  multiline: 'true'
-})
-
 // ignores empty values
 t.same(options(['node', '-e', "'console.log(testing)'", 'dotenv_config_path=']), {})
 
diff --git a/tests/test-env-options.js b/tests/test-env-options.js
index 466d3c8a..cb6cacf5 100644
--- a/tests/test-env-options.js
+++ b/tests/test-env-options.js
@@ -9,7 +9,6 @@ const e = process.env.DOTENV_CONFIG_ENCODING
 const p = process.env.DOTENV_CONFIG_PATH
 const d = process.env.DOTENV_CONFIG_DEBUG
 const o = process.env.DOTENV_CONFIG_OVERRIDE
-const m = process.env.DOTENV_CONFIG_MULTILINE
 
 // get fresh object for each test
 function options () {
@@ -26,14 +25,11 @@ function testOption (envVar, tmpVal, expect) {
   delete process.env[envVar]
 }
 
-t.plan(6)
-
 // returns empty object when no options set in process.env
 delete process.env.DOTENV_CONFIG_ENCODING
 delete process.env.DOTENV_CONFIG_PATH
 delete process.env.DOTENV_CONFIG_DEBUG
 delete process.env.DOTENV_CONFIG_OVERRIDE
-delete process.env.DOTENV_CONFIG_MULTILINE
 
 t.same(options(), {})
 
@@ -49,12 +45,8 @@ testOption('DOTENV_CONFIG_DEBUG', 'true', { debug: 'true' })
 // sets override option
 testOption('DOTENV_CONFIG_OVERRIDE', 'true', { override: 'true' })
 
-// sets multiline option
-testOption('DOTENV_CONFIG_MULTILINE', 'true', { multiline: 'true' })
-
 // restore existing env
 process.env.DOTENV_CONFIG_ENCODING = e
 process.env.DOTENV_CONFIG_PATH = p
 process.env.DOTENV_CONFIG_DEBUG = d
 process.env.DOTENV_CONFIG_OVERRIDE = o
-process.env.DOTENV_CONFIG_MULTILINE = m