diff --git a/src/actions/TrezorConnectActions.js b/src/actions/TrezorConnectActions.js
index d685f954..e4560b76 100644
--- a/src/actions/TrezorConnectActions.js
+++ b/src/actions/TrezorConnectActions.js
@@ -82,6 +82,8 @@ export type TrezorConnectAction = {
     state: ?string,
 };
 
+declare var LOCAL: ?string;
+
 export const init = (): AsyncAction => async (dispatch: Dispatch, getState: GetState): Promise<void> => {
     // set listeners
     TrezorConnect.on(DEVICE_EVENT, (event: DeviceMessage): void => {
@@ -120,7 +122,7 @@ export const init = (): AsyncAction => async (dispatch: Dispatch, getState: GetS
         });
     });
 
-    window.__TREZOR_CONNECT_SRC = typeof window.LOCAL === 'string' ? window.LOCAL : 'https://sisyfos.trezor.io/connect/'; // eslint-disable-line no-underscore-dangle
+    window.__TREZOR_CONNECT_SRC = typeof LOCAL === 'string' ? LOCAL : 'https://sisyfos.trezor.io/connect/'; // eslint-disable-line no-underscore-dangle
     // window.__TREZOR_CONNECT_SRC = typeof LOCAL === 'string' ? LOCAL : 'https://connect.trezor.io/5/'; // eslint-disable-line no-underscore-dangle
 
     try {
diff --git a/src/components/Footer/index.js b/src/components/Footer/index.js
index 59b9280f..8236eecd 100644
--- a/src/components/Footer/index.js
+++ b/src/components/Footer/index.js
@@ -11,6 +11,8 @@ import { connect } from 'react-redux';
 import colors from 'config/colors';
 import * as LogActions from 'actions/LogActions';
 
+declare var COMMITHASH: string;
+
 type Props = {
     opened: boolean,
     toggle: () => any,
@@ -37,7 +39,7 @@ const Copy = styled.div`
 
 const Footer = ({ opened, toggle }: Props) => (
     <Wrapper>
-        <Copy title={window.COMMITHASH}>&copy; {getYear(new Date())}</Copy>
+        <Copy title={COMMITHASH}>&copy; {getYear(new Date())}</Copy>
         <StyledLink href="http://satoshilabs.com" isGreen>SatoshiLabs</StyledLink>
         <StyledLink href="/assets/tos.pdf" isGreen>Terms</StyledLink>
         <StyledLink onClick={toggle} isGreen>{ opened ? 'Hide Log' : 'Show Log' }</StyledLink>
diff --git a/src/flowtype/index.js b/src/flowtype/index.js
index f1349134..44bd5556 100644
--- a/src/flowtype/index.js
+++ b/src/flowtype/index.js
@@ -174,6 +174,3 @@ export type PromiseAction<R> = ReduxPromiseAction<State, Action, R>;
 
 export type Store = ReduxStore<State, Action>;
 export type GetState = () => State;
-
-declare var LOCAL: string;
-declare var COMMITHASH: string;
\ No newline at end of file