diff --git a/.travis.yml b/.travis.yml
index 6de5183a1e..5f149e10ac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,8 @@
 language: node_js
 cache: yarn
-# nodejs version from nvmrc
-# yarn install is default install lifecycle
 script:
   - yarn global add codecov -g
-  - yarn build:ts --noEmit && yarn lint && yarn test --coverage
+  - yarn build && yarn lint && yarn test --coverage
 after_success:
   - codecov
   - yarn semantic-release
diff --git a/src/index.ts b/src/index.ts
index 3dd8d6cbf2..907bb09a2d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -6,6 +6,9 @@ export { Position, Rendering, Rotation } from './lib/series/specs';
 export * from './lib/themes/theme';
 export { LIGHT_THEME } from './lib/themes/light_theme';
 export { DARK_THEME } from './lib/themes/dark_theme';
+export * from './lib/themes/theme_commons';
 export { CurveType } from './lib/series/curves';
-export { niceTimeFormatter } from './utils/data/formatters';
+export { timeFormatter, niceTimeFormatter, niceTimeFormatByDay } from './utils/data/formatters';
 export { DataGenerator } from './utils/data_generators/data_generator';
+export { DataSeriesColorsValues } from './lib/series/series';
+export { CustomSeriesColorsMap } from './lib/series/specs';
diff --git a/stories/area_chart.tsx b/stories/area_chart.tsx
index 38896ac753..6726f1537c 100644
--- a/stories/area_chart.tsx
+++ b/stories/area_chart.tsx
@@ -9,9 +9,9 @@ import {
   Position,
   ScaleType,
   Settings,
+  timeFormatter,
 } from '../src';
 import { KIBANA_METRICS } from '../src/lib/series/utils/test_dataset_kibana';
-import { timeFormatter } from '../src/utils/data/formatters';
 const dateFormatter = timeFormatter('HH:mm');
 
 storiesOf('Area Chart', module)
diff --git a/stories/bar_chart.tsx b/stories/bar_chart.tsx
index f08f57471f..39515202e3 100644
--- a/stories/bar_chart.tsx
+++ b/stories/bar_chart.tsx
@@ -10,13 +10,14 @@ import {
   getAxisId,
   getSpecId,
   LIGHT_THEME,
+  niceTimeFormatByDay,
   Position,
   ScaleType,
   Settings,
+  timeFormatter,
 } from '../src/';
 import * as TestDatasets from '../src/lib/series/utils/test_dataset';
 import { KIBANA_METRICS } from '../src/lib/series/utils/test_dataset_kibana';
-import { niceTimeFormatByDay, timeFormatter } from '../src/utils/data/formatters';
 
 storiesOf('Bar Chart', module)
   .add('basic', () => {
diff --git a/stories/interactions.tsx b/stories/interactions.tsx
index 618565ac8a..f018df1373 100644
--- a/stories/interactions.tsx
+++ b/stories/interactions.tsx
@@ -6,6 +6,7 @@ import {
   Axis,
   BarSeries,
   Chart,
+  CurveType,
   getAxisId,
   getSpecId,
   LineSeries,
@@ -17,7 +18,6 @@ import {
 
 import { boolean } from '@storybook/addon-knobs';
 import { DateTime } from 'luxon';
-import { CurveType } from '../src/lib/series/curves';
 import * as TestDatasets from '../src/lib/series/utils/test_dataset';
 
 const onElementListeners = {
diff --git a/stories/legend.tsx b/stories/legend.tsx
index 1ca2c4db01..af65ea5927 100644
--- a/stories/legend.tsx
+++ b/stories/legend.tsx
@@ -1,3 +1,4 @@
+import { boolean } from '@storybook/addon-knobs';
 import { storiesOf } from '@storybook/react';
 import React from 'react';
 import {
@@ -11,7 +12,6 @@ import {
   Settings,
 } from '../src/';
 import * as TestDatasets from '../src/lib/series/utils/test_dataset';
-import { boolean } from '@storybook/addon-knobs';
 
 storiesOf('Legend', module)
   .add('right', () => {
@@ -135,8 +135,7 @@ storiesOf('Legend', module)
     );
   })
   .add('changing specs', () => {
-    const splitSeries = boolean('split series', true) ?
-      ['g1', 'g2'] : undefined;
+    const splitSeries = boolean('split series', true) ? ['g1', 'g2'] : undefined;
     return (
       <Chart renderer="canvas" className={'story-chart'}>
         <Settings showLegend={true} legendPosition={Position.Top} />
@@ -166,4 +165,3 @@ storiesOf('Legend', module)
       </Chart>
     );
   });
-
diff --git a/stories/line_chart.tsx b/stories/line_chart.tsx
index 4192466cab..d2441acd8b 100644
--- a/stories/line_chart.tsx
+++ b/stories/line_chart.tsx
@@ -7,13 +7,15 @@ import {
   getAxisId,
   getSpecId,
   LineSeries,
+  niceTimeFormatByDay,
   Position,
   ScaleType,
   Settings,
+  timeFormatter,
 } from '../src/';
 import { KIBANA_METRICS } from '../src/lib/series/utils/test_dataset_kibana';
-import { niceTimeFormatByDay, timeFormatter } from '../src/utils/data/formatters';
 const dateFormatter = timeFormatter(niceTimeFormatByDay(1));
+
 storiesOf('Line Chart', module)
   .add('basic', () => {
     return (
diff --git a/stories/styling.tsx b/stories/styling.tsx
index 183165f1b8..593c5e1d62 100644
--- a/stories/styling.tsx
+++ b/stories/styling.tsx
@@ -9,8 +9,11 @@ import {
   BarSeries,
   Chart,
   CurveType,
+  CustomSeriesColorsMap,
   DARK_THEME,
   DataGenerator,
+  DataSeriesColorsValues,
+  DEFAULT_MISSING_COLOR,
   getAxisId,
   getSpecId,
   LIGHT_THEME,
@@ -21,10 +24,7 @@ import {
   ScaleType,
   Settings,
 } from '../src/';
-import { DataSeriesColorsValues } from '../src/lib/series/series';
-import { CustomSeriesColorsMap } from '../src/lib/series/specs';
 import * as TestDatasets from '../src/lib/series/utils/test_dataset';
-import { DEFAULT_MISSING_COLOR } from '../src/lib/themes/theme_commons';
 
 function range(
   title: string,
diff --git a/stories/utils.ts b/stories/utils.ts
deleted file mode 100644
index e69de29bb2..0000000000