diff --git a/optuna_dashboard/ts/components/CompareStudies.tsx b/optuna_dashboard/ts/components/CompareStudies.tsx
index 7cb6bd85..0354297e 100644
--- a/optuna_dashboard/ts/components/CompareStudies.tsx
+++ b/optuna_dashboard/ts/components/CompareStudies.tsx
@@ -27,8 +27,8 @@ import HomeIcon from "@mui/icons-material/Home"
 import { actionCreator } from "../action"
 import { studySummariesState, studyDetailsState } from "../state"
 import { AppDrawer } from "./AppDrawer"
-import { GraphEdfMultiStudies } from "./GraphEdf"
-import { GraphHistory } from "./GraphHistory"
+import { GraphEdf } from "./GraphEdf"
+import { GraphHistoryMultiStudies } from "./GraphHistory"
 import { useNavigate, useLocation } from "react-router-dom"
 
 const useQuery = (): URLSearchParams => {
@@ -334,10 +334,7 @@ const StudiesGraph: FC<{ studies: StudySummary[] }> = ({ studies }) => {
               <Grid2 xs={6} key={i}>
                 <Card>
                   <CardContent>
-                    <GraphEdfMultiStudies
-                      studies={showStudyDetails}
-                      objectiveId={i}
-                    />
+                    <GraphEdf studies={showStudyDetails} objectiveId={i} />
                   </CardContent>
                 </Card>
               </Grid2>
diff --git a/optuna_dashboard/ts/components/GraphEdf.tsx b/optuna_dashboard/ts/components/GraphEdf.tsx
index c0a1513c..ca85ee54 100644
--- a/optuna_dashboard/ts/components/GraphEdf.tsx
+++ b/optuna_dashboard/ts/components/GraphEdf.tsx
@@ -11,7 +11,7 @@ interface EdfPlotInfo {
   trials: Trial[]
 }
 
-export const GraphEdfMultiStudies: FC<{
+export const GraphEdf: FC<{
   studies: StudyDetail[]
   objectiveId: number
 }> = ({ studies, objectiveId }) => {
@@ -31,7 +31,7 @@ export const GraphEdfMultiStudies: FC<{
   })
 
   useEffect(() => {
-    plotEdfMultiStudies(edfPlotInfos, target, domId, theme.palette.mode)
+    plotEdf(edfPlotInfos, target, domId, theme.palette.mode)
   }, [studies, target, theme.palette.mode])
 
   return (
@@ -47,7 +47,7 @@ export const GraphEdfMultiStudies: FC<{
   )
 }
 
-const plotEdfMultiStudies = (
+const plotEdf = (
   edfPlotInfos: EdfPlotInfo[],
   target: Target,
   domId: string,
diff --git a/optuna_dashboard/ts/components/StudyDetail.tsx b/optuna_dashboard/ts/components/StudyDetail.tsx
index 9c167094..10f32175 100644
--- a/optuna_dashboard/ts/components/StudyDetail.tsx
+++ b/optuna_dashboard/ts/components/StudyDetail.tsx
@@ -25,7 +25,7 @@ import { AppDrawer, PageId } from "./AppDrawer"
 import { GraphParallelCoordinate } from "./GraphParallelCoordinate"
 import { Contour } from "./GraphContour"
 import { GraphSlice } from "./GraphSlice"
-import { GraphEdfMultiStudies } from "./GraphEdf"
+import { GraphEdf } from "./GraphEdf"
 import { TrialList } from "./TrialList"
 import { StudyHistory } from "./StudyHistory"
 
@@ -113,10 +113,7 @@ export const StudyDetail: FC<{
                 <Grid2 xs={6} key={i}>
                   <Card>
                     <CardContent>
-                      <GraphEdfMultiStudies
-                        studies={[studyDetail]}
-                        objectiveId={i}
-                      />
+                      <GraphEdf studies={[studyDetail]} objectiveId={i} />
                     </CardContent>
                   </Card>
                 </Grid2>