diff --git a/src/components/AccordionPanel/AccordionPanel.tsx b/src/components/AccordionPanel/AccordionPanel.tsx
index 75ed01d04a..19ec928904 100644
--- a/src/components/AccordionPanel/AccordionPanel.tsx
+++ b/src/components/AccordionPanel/AccordionPanel.tsx
@@ -1,6 +1,6 @@
 import React, { useCallback, useState } from 'react'
 
-import { mapToArray, arrayToMap } from './AccordionPanelHelper'
+import { mapToArray, arrayToMap } from '../../libs/map'
 
 type Props = {
   children: React.ReactNode
diff --git a/src/components/AccordionPanel/AccordionPanelContent.tsx b/src/components/AccordionPanel/AccordionPanelContent.tsx
index 0b76141edf..4ed3594aaf 100644
--- a/src/components/AccordionPanel/AccordionPanelContent.tsx
+++ b/src/components/AccordionPanel/AccordionPanelContent.tsx
@@ -4,7 +4,7 @@ import { Transition } from 'react-transition-group'
 import { InjectedProps, withTheme } from '../../hocs/withTheme'
 import { AccordionPanelItemContext } from './AccordionPanelItem'
 import { AccordionPanelContext } from './AccordionPanel'
-import { getShouldExpanded } from './AccordionPanelHelper'
+import { getShouldExpanded } from '../../libs/map'
 
 type Props = {
   children: React.ReactNode
diff --git a/src/components/AccordionPanel/AccordionPanelTrigger.tsx b/src/components/AccordionPanel/AccordionPanelTrigger.tsx
index 0b46b7367a..4fa22d0752 100644
--- a/src/components/AccordionPanel/AccordionPanelTrigger.tsx
+++ b/src/components/AccordionPanel/AccordionPanelTrigger.tsx
@@ -5,7 +5,7 @@ import { AccordionPanelContext } from './AccordionPanel'
 import { AccordionPanelItemContext } from './AccordionPanelItem'
 import { Icon as IconComponent } from '../Icon'
 
-import { getShouldExpanded } from './AccordionPanelHelper'
+import { getShouldExpanded } from '../../libs/map'
 import { isTouchDevice } from '../../libs/ua'
 import { withTheme, InjectedProps } from '../../hocs/withTheme'
 
diff --git a/src/components/AccordionPanel/AccordionPanelHelper.ts b/src/libs/map.ts
similarity index 67%
rename from src/components/AccordionPanel/AccordionPanelHelper.ts
rename to src/libs/map.ts
index 1dca11d4b9..3e9ae12067 100644
--- a/src/components/AccordionPanel/AccordionPanelHelper.ts
+++ b/src/libs/map.ts
@@ -1,5 +1,4 @@
-export const getShouldExpanded = (expanded: Map<string, string>, name: string) =>
-  !!expanded.get(name)
+export const getShouldExpanded = (map: Map<string, string>, key: string) => !!map.get(key)
 
 export const mapToArray = (map: Map<string, string>) => Array.from(map.keys())