diff --git a/lib/formatters/__tests__/compactFormatter.test.js b/lib/formatters/__tests__/compactFormatter.test.js
index e99cc9d80b..e8bb1521b8 100644
--- a/lib/formatters/__tests__/compactFormatter.test.js
+++ b/lib/formatters/__tests__/compactFormatter.test.js
@@ -2,7 +2,6 @@
 
 const compactFormatter = require('../compactFormatter');
 const prepareFormatterOutput = require('./prepareFormatterOutput');
-const stripIndent = require('common-tags').stripIndent;
 
 describe('compactFormatter', () => {
 	let actualTTY;
@@ -55,9 +54,7 @@ describe('compactFormatter', () => {
 
 		const output = prepareFormatterOutput(results, compactFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css: line 1, col 1, error - Unexpected foo
-    `);
+		expect(output).toBe('path/to/file.css: line 1, col 1, error - Unexpected foo');
 	});
 
 	it('outputs warnings without stdout `TTY`', () => {
@@ -83,9 +80,7 @@ describe('compactFormatter', () => {
 
 		const output = prepareFormatterOutput(results, compactFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css: line 1, col 1, error - Unexpected foo
-    `);
+		expect(output).toBe('path/to/file.css: line 1, col 1, error - Unexpected foo');
 	});
 
 	it('output warnings with more than 80 characters and `process.stdout.columns` equal 90 characters', () => {
@@ -114,9 +109,9 @@ describe('compactFormatter', () => {
 
 		const output = prepareFormatterOutput(results, compactFormatter);
 
-		expect(output).toBe(stripIndent`
-        path/to/file.css: line 1, col 1, error - Unexpected very very very very very very very very very very very very very long foo
-    `);
+		expect(output).toBe(
+			'path/to/file.css: line 1, col 1, error - Unexpected very very very very very very very very very very very very very long foo',
+		);
 	});
 
 	it('handles ignored file', () => {
diff --git a/lib/formatters/__tests__/disableOptionsReportStringFormatter.test.js b/lib/formatters/__tests__/disableOptionsReportStringFormatter.test.js
index 28f336e465..a55249e46c 100644
--- a/lib/formatters/__tests__/disableOptionsReportStringFormatter.test.js
+++ b/lib/formatters/__tests__/disableOptionsReportStringFormatter.test.js
@@ -2,7 +2,6 @@
 
 const disableOptionsReportStringFormatterTest = require('../disableOptionsReportStringFormatter');
 const stripAnsi = require('strip-ansi');
-const stripIndent = require('common-tags').stripIndent;
 
 describe('disableOptionsReportStringFormatter', () => {
 	it('formatter stringified', () => {
@@ -32,16 +31,15 @@ describe('disableOptionsReportStringFormatter', () => {
 			),
 		);
 
-		let expected = stripIndent`
-      foo
-      wrong disable: baz, start line: 1, end line: 3
-      wrong disable: all, start line: 7
+		const expected = `
+foo
+wrong disable: baz, start line: 1, end line: 3
+wrong disable: all, start line: 7
 
-      bar
-      wrong disable: all, start line: 19, end line: 33
-      wrong disable: baz, start line: 99, end line: 102`;
-
-		expected = `\n${expected}\n`;
+bar
+wrong disable: all, start line: 19, end line: 33
+wrong disable: baz, start line: 99, end line: 102
+`;
 
 		expect(actual).toBe(expected);
 	});
diff --git a/lib/formatters/__tests__/stringFormatter.test.js b/lib/formatters/__tests__/stringFormatter.test.js
index dc28fa89f0..393b43ea19 100644
--- a/lib/formatters/__tests__/stringFormatter.test.js
+++ b/lib/formatters/__tests__/stringFormatter.test.js
@@ -2,7 +2,6 @@
 
 const prepareFormatterOutput = require('./prepareFormatterOutput');
 const stringFormatter = require('../stringFormatter');
-const stripIndent = require('common-tags').stripIndent;
 
 describe('stringFormatter', () => {
 	let actualTTY;
@@ -55,10 +54,11 @@ describe('stringFormatter', () => {
 
 		const output = prepareFormatterOutput(results, stringFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css
-       1:1  ×  Unexpected foo  bar
-    `);
+		expect(output).toBe(
+			`
+path/to/file.css
+ 1:1  ×  Unexpected foo  bar`.trimStart(),
+		);
 	});
 
 	it('outputs warnings without stdout `TTY`', () => {
@@ -84,9 +84,11 @@ describe('stringFormatter', () => {
 
 		const output = prepareFormatterOutput(results, stringFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css
-       1:1  ×  Unexpected foo  bar`);
+		expect(output).toBe(
+			`
+path/to/file.css
+ 1:1  ×  Unexpected foo  bar`.trimStart(),
+		);
 	});
 
 	it('output warnings with more than 80 characters and `process.stdout.columns` equal 90 characters', () => {
@@ -115,11 +117,12 @@ describe('stringFormatter', () => {
 
 		const output = prepareFormatterOutput(results, stringFormatter);
 
-		expect(output).toBe(stripIndent`
-        path/to/file.css
-         1:1  ×  Unexpected very very very very very very very  bar-very-very-very-very-very-long
-                 very very very very very very long foo
-      `);
+		expect(output).toBe(
+			`
+path/to/file.css
+ 1:1  ×  Unexpected very very very very very very very  bar-very-very-very-very-very-long
+         very very very very very very long foo`.trimStart(),
+		);
 	});
 
 	it('condenses deprecations and invalid option warnings', () => {
@@ -160,11 +163,12 @@ describe('stringFormatter', () => {
 
 		const output = prepareFormatterOutput(results, stringFormatter);
 
-		expect(output).toBe(stripIndent`
-      Invalid Option: Unexpected option for baz
+		expect(output).toBe(
+			`
+Invalid Option: Unexpected option for baz
 
-      Deprecation Warning: Deprecated foo See: bar
-    `);
+Deprecation Warning: Deprecated foo See: bar`.trimStart(),
+		);
 	});
 
 	it('handles ignored file', () => {
@@ -204,8 +208,10 @@ describe('stringFormatter', () => {
 
 		const output = prepareFormatterOutput(results, stringFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css
-       1:1  ×     bar`);
+		expect(output).toBe(
+			`
+path/to/file.css
+ 1:1  ×     bar`.trimStart(),
+		);
 	});
 });
diff --git a/lib/formatters/__tests__/unixFormatter.test.js b/lib/formatters/__tests__/unixFormatter.test.js
index b07156a1e7..92e0ae3a1f 100644
--- a/lib/formatters/__tests__/unixFormatter.test.js
+++ b/lib/formatters/__tests__/unixFormatter.test.js
@@ -1,7 +1,6 @@
 'use strict';
 
 const prepareFormatterOutput = require('./prepareFormatterOutput');
-const stripIndent = require('common-tags').stripIndent;
 const unixFormatter = require('../unixFormatter');
 
 describe('unixFormatter', () => {
@@ -62,12 +61,13 @@ describe('unixFormatter', () => {
 
 		const output = prepareFormatterOutput(results, unixFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css:1:1: Unexpected foo [error]
-      path/to/file.css:10:1: Unexpected foo 2 [error]
+		expect(output).toBe(
+			`
+path/to/file.css:1:1: Unexpected foo [error]
+path/to/file.css:10:1: Unexpected foo 2 [error]
 
-      2 problems
-    `);
+2 problems`.trimStart(),
+		);
 	});
 
 	it('outputs warnings without stdout `TTY`', () => {
@@ -93,11 +93,12 @@ describe('unixFormatter', () => {
 
 		const output = prepareFormatterOutput(results, unixFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css:1:1: Unexpected foo [error]
+		expect(output).toBe(
+			`
+path/to/file.css:1:1: Unexpected foo [error]
 
-      1 problem
-    `);
+1 problem`.trimStart(),
+		);
 	});
 
 	it('output warnings with more than 80 characters and `process.stdout.columns` equal 90 characters', () => {
@@ -126,11 +127,12 @@ describe('unixFormatter', () => {
 
 		const output = prepareFormatterOutput(results, unixFormatter);
 
-		expect(output).toBe(stripIndent`
-        path/to/file.css:1:1: Unexpected very very very very very very very very very very very very very long foo [error]
+		expect(output).toBe(
+			`
+path/to/file.css:1:1: Unexpected very very very very very very very very very very very very very long foo [error]
 
-        1 problem
-    `);
+1 problem`.trimStart(),
+		);
 	});
 
 	it('handles ignored file', () => {
diff --git a/lib/formatters/__tests__/verboseFormatter.test.js b/lib/formatters/__tests__/verboseFormatter.test.js
index 6a98b8c4b8..4d021cd032 100644
--- a/lib/formatters/__tests__/verboseFormatter.test.js
+++ b/lib/formatters/__tests__/verboseFormatter.test.js
@@ -1,7 +1,6 @@
 'use strict';
 
 const prepareFormatterOutput = require('./prepareFormatterOutput');
-const stripIndent = require('common-tags').stripIndent;
 const verboseFormatter = require('../verboseFormatter');
 
 describe('verboseFormatter', () => {
@@ -18,12 +17,13 @@ describe('verboseFormatter', () => {
 
 		const output = prepareFormatterOutput(results, verboseFormatter);
 
-		expect(output).toBe(stripIndent`
-      1 source checked
-       path/to/file.css
+		expect(output).toBe(
+			`
+1 source checked
+ path/to/file.css
 
-      0 problems found
-    `);
+0 problems found`.trimStart(),
+		);
 	});
 
 	it("outputs one warnings (of severity 'error')", () => {
@@ -47,17 +47,18 @@ describe('verboseFormatter', () => {
 
 		const output = prepareFormatterOutput(results, verboseFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css
-       1:2  ×  Unexpected foo  bar
+		expect(output).toBe(
+			`
+path/to/file.css
+ 1:2  ×  Unexpected foo  bar
 
-      1 source checked
-       path/to/file.css
+1 source checked
+ path/to/file.css
 
-      1 problem found
-       severity level "error": 1
-        bar: 1
-      `);
+1 problem found
+ severity level "error": 1
+  bar: 1`.trimStart(),
+		);
 	});
 
 	it('outputs 0 stdout column', () => {
@@ -85,17 +86,18 @@ describe('verboseFormatter', () => {
 
 		const output = prepareFormatterOutput(results, verboseFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css
-       1:2  ×  Unexpected foo  bar
+		expect(output).toBe(
+			`
+path/to/file.css
+ 1:2  ×  Unexpected foo  bar
 
-      1 source checked
-       path/to/file.css
+1 source checked
+ path/to/file.css
 
-      1 problem found
-       severity level "error": 1
-        bar: 1
-      `);
+1 problem found
+ severity level "error": 1
+  bar: 1`.trimStart(),
+		);
 
 		process.stdout.columns = stdoutColumn;
 	});
@@ -125,17 +127,18 @@ describe('verboseFormatter', () => {
 
 		const output = prepareFormatterOutput(results, verboseFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css
-       1:2  ×  Unexpected foo  bar
+		expect(output).toBe(
+			`
+path/to/file.css
+ 1:2  ×  Unexpected foo  bar
 
-      1 source checked
-       path/to/file.css
+1 source checked
+ path/to/file.css
 
-      1 problem found
-       severity level "error": 1
-        bar: 1
-      `);
+1 problem found
+ severity level "error": 1
+  bar: 1`.trimStart(),
+		);
 
 		process.stdout.columns = stdoutColumn;
 	});
@@ -183,24 +186,25 @@ describe('verboseFormatter', () => {
 
 		const output = prepareFormatterOutput(results, verboseFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css
-       1:2  ×  Unexpected foo  bar
-       2:3  ×  Unexpected foo  bar
-
-      file2.css
-       3:1  ‼  Expected cat  baz
-
-      2 sources checked
-       path/to/file.css
-       file2.css
-
-      3 problems found
-       severity level "error": 2
-        bar: 2
-       severity level "warning": 1
-        baz: 1
-    `);
+		expect(output).toBe(
+			`
+path/to/file.css
+ 1:2  ×  Unexpected foo  bar
+ 2:3  ×  Unexpected foo  bar
+
+file2.css
+ 3:1  ‼  Expected cat  baz
+
+2 sources checked
+ path/to/file.css
+ file2.css
+
+3 problems found
+ severity level "error": 2
+  bar: 2
+ severity level "warning": 1
+  baz: 1`.trimStart(),
+		);
 	});
 
 	it('outputs lineless syntax error', () => {
@@ -222,17 +226,18 @@ describe('verboseFormatter', () => {
 
 		const output = prepareFormatterOutput(results, verboseFormatter);
 
-		expect(output).toBe(stripIndent`
-      path/to/file.css
-            ×  Unexpected foo  SyntaxError
+		expect(output).toBe(
+			`
+path/to/file.css
+      ×  Unexpected foo  SyntaxError
 
-      1 source checked
-       path/to/file.css
+1 source checked
+ path/to/file.css
 
-      1 problem found
-       severity level "error": 1
-        SyntaxError: 1
-      `);
+1 problem found
+ severity level "error": 1
+  SyntaxError: 1`.trimStart(),
+		);
 	});
 
 	it('outputs one ignored file', () => {
@@ -248,11 +253,12 @@ describe('verboseFormatter', () => {
 
 		const output = prepareFormatterOutput(results, verboseFormatter);
 
-		expect(output).toBe(stripIndent`
-      0 of 1 source checked
-       file.css (ignored)
+		expect(output).toBe(
+			`
+0 of 1 source checked
+ file.css (ignored)
 
-      0 problems found
-      `);
+0 problems found`.trimStart(),
+		);
 	});
 });