diff --git a/src/plugin.js b/src/plugin.js
index 1b71e57..c3596d9 100644
--- a/src/plugin.js
+++ b/src/plugin.js
@@ -91,9 +91,9 @@ export default function transformPostCSS({ types: t }: any): any {
 
         if (tokens !== undefined) {
           const expression = path.findParent((test) => (
-              test.isVariableDeclaration() ||
+            test.isVariableDeclaration() ||
               test.isExpressionStatement()
-            ));
+          ));
 
           expression.addComment(
             'trailing', ` @related-file ${stylesheetPath}`, true
@@ -120,16 +120,16 @@ export default function transformPostCSS({ types: t }: any): any {
         if (tokens) {
           const styles = t.objectExpression(
             Object.keys(tokens).map(
-                (token) => t.objectProperty(
-                    t.stringLiteral(token),
-                    t.stringLiteral(tokens[token])
-                )
+              (token) => t.objectProperty(
+                t.stringLiteral(token),
+                t.stringLiteral(tokens[token])
+              )
             )
           );
           /* eslint-disable new-cap */
 
           const variableDeclaration = t.VariableDeclaration('var',
-              [t.VariableDeclarator(path.node.specifiers[0].local, styles)]);
+            [t.VariableDeclarator(path.node.specifiers[0].local, styles)]);
 
           /* eslint-enable new-cap */
           path.addComment('trailing', ` @related-file ${stylesheetPath}`, true);
diff --git a/src/postcss-client.js b/src/postcss-client.js
index 9e5af49..9c3d4d9 100644
--- a/src/postcss-client.js
+++ b/src/postcss-client.js
@@ -44,7 +44,7 @@ const main = async function main(...args: string[]): Promise<void> {
 
 /* istanbul ignore if */
 if ((require: any).main === module) {
-  (async (): Promise<void> => {
+  (async(): Promise<void> => {
     try { await main(...process.argv.slice(2)); }
     catch (err) { process.stderr.write(`${err.stack}\n`); process.exit(1); }
   })();
diff --git a/src/postcss-server.js b/src/postcss-server.js
index 4cc8e6e..bca6db9 100644
--- a/src/postcss-server.js
+++ b/src/postcss-server.js
@@ -46,7 +46,7 @@ const main = async function main(
       data += chunk.toString('utf8');
     });
 
-    connection.on('end', async (): Promise<void> => {
+    connection.on('end', async(): Promise<void> => {
       try {
         let tokens, cache;
         const { cssFile } = JSON.parse(data);
@@ -139,7 +139,7 @@ const main = async function main(
 
 /* istanbul ignore if */
 if ((require: any).main === module) {
-  (async (): Promise<void> => {
+  (async(): Promise<void> => {
     try { await main(...process.argv.slice(2)); }
     catch (err) { process.stderr.write(`${err.stack}\n`); process.exit(1); }
   })();
diff --git a/test/helpers.js b/test/helpers.js
index 608f6b2..d532971 100644
--- a/test/helpers.js
+++ b/test/helpers.js
@@ -10,9 +10,10 @@ export const babelNoModules = {
   presets: [ ['env', { modules: false, targets: { node: 'current' } }] ],
 };
 
-export const transform = (filename: string,
-                          babelOptionOverrides: ?{ [string]: mixed }
-                          ): Promise<string> => {
+export const transform = (
+  filename: string,
+  babelOptionOverrides: ?{ [string]: mixed },
+): Promise<string> => {
   const file = path.join(fixtures, filename);
 
   const options = Object.assign({
diff --git a/test/plugin.js b/test/plugin.js
index a43b0fb..2f8a89a 100644
--- a/test/plugin.js
+++ b/test/plugin.js
@@ -93,11 +93,11 @@ describe('babel-plugin-transform-postcss', () => {
   describe('when transforming require.js', () => {
     let result;
 
-    beforeEach(async () => { result = await transform('require.js'); });
+    beforeEach(async() => { result = await transform('require.js'); });
 
     it('launches the server', testServerLaunched);
     it('launches a client', () => testClientLaunched('simple.css'));
-    it('compiles correctly', async () => {
+    it('compiles correctly', async() => {
       expect(result).to.eql((await read('require.expected.js')).trim());
     });
 
@@ -107,11 +107,11 @@ describe('babel-plugin-transform-postcss', () => {
   describe('when transforming import.js', () => {
     let result;
 
-    beforeEach(async () => { result = await transform('import.js'); });
+    beforeEach(async() => { result = await transform('import.js'); });
 
     it('launches the server', testServerLaunched);
     it('launches a client', () => testClientLaunched('simple.css'));
-    it('compiles correctly', async () => {
+    it('compiles correctly', async() => {
       expect(result).to.eql((await read('import.expected.js')).trim());
     });
 
@@ -157,15 +157,15 @@ describe('babel-plugin-transform-postcss', () => {
   describe('when transforming import.js without modules', () => {
     let result;
 
-    beforeEach(async () => {
+    beforeEach(async() => {
       result = await transform('import.js', babelNoModules);
     });
 
     it('launches the server', testServerLaunched);
     it('launches a client', () => testClientLaunched('simple.css'));
-    it('compiles correctly', async () => {
+    it('compiles correctly', async() => {
       expect(result).to.eql(
-          (await read('import.no.modules.expected.js')).trim()
+        (await read('import.no.modules.expected.js')).trim()
       );
     });
 
@@ -181,9 +181,9 @@ describe('babel-plugin-transform-postcss', () => {
     let result;
 
     beforeEach(() => childProcess.execFileSync.returns(new Buffer('')));
-    beforeEach(async () => { result = await transform('require.js'); });
+    beforeEach(async() => { result = await transform('require.js'); });
 
-    it('compiles correctly', async () => {
+    it('compiles correctly', async() => {
       expect(result).to.eql((await read('require.expected.empty.js')).trim());
     });
   });
diff --git a/test/postcss-client.js b/test/postcss-client.js
index fdaa32a..4ea61eb 100644
--- a/test/postcss-client.js
+++ b/test/postcss-client.js
@@ -73,7 +73,7 @@ describe('postcss-client', () => {
       });
     });
 
-    afterEach(async () => {
+    afterEach(async() => {
       await new Promise((resolve: () => void, reject: (Error) => void) => {
         fs.unlinkSync(testSocket);
         server.close((err: ?Error) => {
@@ -84,7 +84,7 @@ describe('postcss-client', () => {
     });
 
     describe('main(...testArgs)', () => {
-      beforeEach(async () => {
+      beforeEach(async() => {
         const write = new Promise((resolve: () => void) => {
           streams.stdout.on('finish', () => resolve());
         });
@@ -107,7 +107,7 @@ describe('postcss-client', () => {
   });
 
   describe('main(...testArgs)', () => {
-    beforeEach(async () => { await main(testSocket, 'client message'); });
+    beforeEach(async() => { await main(testSocket, 'client message'); });
 
     it('attempts to re-connect', () => {
       expect(net.connect).to.have.been.calledTwice;
diff --git a/test/postcss-server.js b/test/postcss-server.js
index 6aafa0b..6572051 100644
--- a/test/postcss-server.js
+++ b/test/postcss-server.js
@@ -31,7 +31,7 @@ const testTmp = join(__dirname, 'tmp');
 
 describe('postcss-server', () => {
   let server, originalStderr;
-  const invokeMain = async () => { server = await main(testSocket, testTmp); };
+  const invokeMain = async() => { server = await main(testSocket, testTmp); };
   const closeServer = async() => {
     await new Promise((resolve: () => void, reject: (Error) => void) => {
       server.close((err: ?Error) => {
@@ -40,7 +40,7 @@ describe('postcss-server', () => {
       });
     });
   };
-  const closeStderr = async () => {
+  const closeStderr = async() => {
     const write = new Promise((resolve: () => void) => {
       streams.stderr.on('finish', () => resolve());
     });
@@ -88,7 +88,7 @@ describe('postcss-server', () => {
     });
 
     const simpleCSSFile = join(__dirname, 'fixtures', 'simple.css');
-    const sendMessage = async (
+    const sendMessage = async(
       json: {
         cssFile: string,
       }
@@ -113,7 +113,7 @@ describe('postcss-server', () => {
       return response;
     };
 
-    it('accepts JSON details and extracts PostCSS modules', async () => {
+    it('accepts JSON details and extracts PostCSS modules', async() => {
       const response = await sendMessage({
         cssFile: simpleCSSFile,
       });
@@ -121,7 +121,7 @@ describe('postcss-server', () => {
       expect(JSON.parse(response)).to.eql({ simple: '_simple_jvai8_1' });
     });
 
-    it('fails gracefully for invalid CSS', async () => {
+    it('fails gracefully for invalid CSS', async() => {
       const response = await sendMessage({
         cssFile: join(__dirname, 'fixtures', 'invalid.css'),
       });
@@ -139,7 +139,7 @@ describe('postcss-server', () => {
         }));
       });
 
-      it('accepts JSON details and extracts PostCSS modules', async () => {
+      it('accepts JSON details and extracts PostCSS modules', async() => {
         const response = await sendMessage({
           cssFile: simpleCSSFile,
         });
@@ -156,7 +156,7 @@ describe('postcss-server', () => {
 
         fs.writeFileSync(path.join(testTmp, `${name}.cache`), 'not-json');
       });
-      beforeEach(async () => {
+      beforeEach(async() => {
         response = await sendMessage({
           cssFile: simpleCSSFile,
         });
@@ -176,7 +176,7 @@ describe('postcss-server', () => {
     describe('with a missing CSS file', () => {
       let response;
 
-      beforeEach(async () => {
+      beforeEach(async() => {
         response = await sendMessage({
           cssFile: join(__dirname, 'fixtures', 'nofile'),
         });
@@ -199,7 +199,7 @@ describe('postcss-server', () => {
       beforeEach(() => stub(path, 'dirname').callsFake(() => process.cwd()));
       afterEach(() => path.dirname.restore());
 
-      beforeEach(async () => {
+      beforeEach(async() => {
         response = await sendMessage({
           cssFile: join(__dirname, 'fixtures', 'simple.css'),
           configFile: join(__dirname, 'fixtures', 'nofile'),
@@ -226,7 +226,7 @@ describe('postcss-server', () => {
     });
     afterEach(() => { Server.prototype.listen.restore(); });
 
-    it('fails to complete main(...testArgs)', async () => {
+    it('fails to complete main(...testArgs)', async() => {
       let error;
 
       try { await invokeMain(); }
@@ -276,7 +276,7 @@ describe('postcss-server', () => {
     beforeEach(() => { stub(fs, 'mkdirSync').throws('Error with no code'); });
     afterEach(() => { fs.mkdirSync.restore(); });
 
-    it('errors when invoking main', async () => {
+    it('errors when invoking main', async() => {
       let error;
 
       try { await invokeMain(); }