diff --git a/optuna_dashboard/ts/components/CompareStudies.tsx b/optuna_dashboard/ts/components/CompareStudies.tsx
index 99069205..7cb6bd85 100644
--- a/optuna_dashboard/ts/components/CompareStudies.tsx
+++ b/optuna_dashboard/ts/components/CompareStudies.tsx
@@ -12,6 +12,7 @@ import {
   useTheme,
   IconButton,
 } from "@mui/material"
+import Grid2 from "@mui/material/Unstable_Grid2"
 import ChevronRightIcon from "@mui/icons-material/ChevronRight"
 import Chip from "@mui/material/Chip"
 import FormControlLabel from "@mui/material/FormControlLabel"
@@ -325,19 +326,24 @@ const StudiesGraph: FC<{ studies: StudySummary[] }> = ({ studies }) => {
           </CardContent>
         </Card>
       ) : null}
-      {showStudyDetails !== null &&
-      showStudyDetails.length > 0 &&
-      showStudyDetails.every((s) => s) ? (
-        <Card
-          sx={{
-            margin: theme.spacing(2),
-          }}
-        >
-          <CardContent>
-            <GraphEdfMultiStudies studies={showStudyDetails} />
-          </CardContent>
-        </Card>
-      ) : null}
+      <Grid2 container spacing={2} sx={{ padding: theme.spacing(0, 2) }}>
+        {showStudyDetails !== null &&
+        showStudyDetails.length > 0 &&
+        showStudyDetails.every((s) => s)
+          ? showStudyDetails[0].directions.map((d, i) => (
+              <Grid2 xs={6} key={i}>
+                <Card>
+                  <CardContent>
+                    <GraphEdfMultiStudies
+                      studies={showStudyDetails}
+                      objectiveId={i}
+                    />
+                  </CardContent>
+                </Card>
+              </Grid2>
+            ))
+          : null}
+      </Grid2>
     </Box>
   )
 }
diff --git a/optuna_dashboard/ts/components/GraphEdf.tsx b/optuna_dashboard/ts/components/GraphEdf.tsx
index 185dd889..c0a1513c 100644
--- a/optuna_dashboard/ts/components/GraphEdf.tsx
+++ b/optuna_dashboard/ts/components/GraphEdf.tsx
@@ -1,25 +1,9 @@
 import * as plotly from "plotly.js-dist-min"
 import React, { FC, useEffect, useMemo } from "react"
-import {
-  Grid,
-  FormControl,
-  FormLabel,
-  MenuItem,
-  Select,
-  Typography,
-  SelectChangeEvent,
-  useTheme,
-  Box,
-} from "@mui/material"
+import { Typography, useTheme, Box } from "@mui/material"
 import { plotlyDarkTemplate } from "./PlotlyDarkMode"
-import {
-  Target,
-  useFilteredTrials,
-  useFilteredTrialsFromStudies,
-  useObjectiveTargets,
-} from "../trialFilter"
+import { Target, useFilteredTrialsFromStudies } from "../trialFilter"
 
-const plotDomId = "graph-edf"
 const getPlotDomId = (objectiveId: number) => `graph-edf-${objectiveId}`
 
 interface EdfPlotInfo {
@@ -27,45 +11,17 @@ interface EdfPlotInfo {
   trials: Trial[]
 }
 
-export const GraphEdf: FC<{
-  study: StudyDetail | null
+export const GraphEdfMultiStudies: FC<{
+  studies: StudyDetail[]
   objectiveId: number
-}> = ({ study, objectiveId }) => {
+}> = ({ studies, objectiveId }) => {
   const theme = useTheme()
   const domId = getPlotDomId(objectiveId)
   const target = useMemo<Target>(
     () => new Target("objective", objectiveId),
     [objectiveId]
   )
-  const trials = useFilteredTrials(study, [target], false)
-
-  useEffect(() => {
-    if (study !== null) {
-      plotEdf(trials, target, domId, theme.palette.mode)
-    }
-  }, [trials, target, domId, theme.palette.mode])
-  return (
-    <Box>
-      <Typography
-        variant="h6"
-        sx={{ margin: "1em 0", fontWeight: theme.typography.fontWeightBold }}
-      >
-        {`EDF for ${target.toLabel(study?.objective_names)}`}
-      </Typography>
-      <Box id={domId} sx={{ height: "450px" }} />
-    </Box>
-  )
-}
-
-export const GraphEdfMultiStudies: FC<{
-  studies: StudyDetail[]
-}> = ({ studies }) => {
-  const theme = useTheme()
-  const [targets, selected, setTarget] = useObjectiveTargets(
-    studies.length !== 0 ? studies[0] : null
-  )
-
-  const trials = useFilteredTrialsFromStudies(studies, [selected], false)
+  const trials = useFilteredTrialsFromStudies(studies, [target], false)
   const edfPlotInfos = studies.map((study, index) => {
     const e: EdfPlotInfo = {
       study_name: study?.name,
@@ -74,111 +30,23 @@ export const GraphEdfMultiStudies: FC<{
     return e
   })
 
-  const handleObjectiveChange = (event: SelectChangeEvent<string>) => {
-    setTarget(event.target.value)
-  }
-
   useEffect(() => {
-    plotEdfMultiStudies(edfPlotInfos, selected, plotDomId, theme.palette.mode)
-  }, [studies, selected, theme.palette.mode])
+    plotEdfMultiStudies(edfPlotInfos, target, domId, theme.palette.mode)
+  }, [studies, target, theme.palette.mode])
 
   return (
-    <Grid container direction="row">
-      <Grid
-        item
-        xs={3}
-        container
-        direction="column"
-        sx={{ paddingRight: theme.spacing(2) }}
+    <Box>
+      <Typography
+        variant="h6"
+        sx={{ margin: "1em 0", fontWeight: theme.typography.fontWeightBold }}
       >
-        <Typography
-          variant="h6"
-          sx={{ margin: "1em 0", fontWeight: theme.typography.fontWeightBold }}
-        >
-          EDF
-        </Typography>
-        {studies.length > 0 && studies[0].directions.length !== 1 ? (
-          <FormControl component="fieldset">
-            <FormLabel component="legend">Objective:</FormLabel>
-            <Select
-              value={selected.identifier()}
-              onChange={handleObjectiveChange}
-            >
-              {targets.map((target, i) => (
-                <MenuItem value={target.identifier()} key={i}>
-                  {target.toLabel(studies[0].objective_names)}
-                </MenuItem>
-              ))}
-            </Select>
-          </FormControl>
-        ) : null}
-      </Grid>
-      <Grid item xs={9}>
-        <Box id={plotDomId} sx={{ height: "450px" }} />
-      </Grid>
-    </Grid>
+        {`EDF for ${target.toLabel(studies[0].objective_names)}`}
+      </Typography>
+      <Box id={domId} sx={{ height: "450px" }} />
+    </Box>
   )
 }
 
-const plotEdf = (
-  trials: Trial[],
-  target: Target,
-  domId: string,
-  mode: string
-) => {
-  if (document.getElementById(domId) === null) {
-    return
-  }
-  if (trials.length === 0) {
-    plotly.react(domId, [], {
-      template: mode === "dark" ? plotlyDarkTemplate : {},
-    })
-    return
-  }
-
-  const target_name = "Objective Value"
-  const layout: Partial<plotly.Layout> = {
-    xaxis: {
-      title: target_name,
-    },
-    yaxis: {
-      title: "Cumulative Probability",
-    },
-    margin: {
-      l: 50,
-      t: 0,
-      r: 50,
-      b: 50,
-    },
-    uirevision: "true",
-    template: mode === "dark" ? plotlyDarkTemplate : {},
-  }
-
-  const values = trials.map((t) => target.getTargetValue(t) as number)
-  const numValues = values.length
-  const minX = Math.min(...values)
-  const maxX = Math.max(...values)
-  const numStep = 100
-  const _step = (maxX - minX) / (numStep - 1)
-
-  const xValues = []
-  const yValues = []
-  for (let i = 0; i < numStep; i++) {
-    const boundary_right = minX + _step * i
-    xValues.push(boundary_right)
-    yValues.push(values.filter((v) => v <= boundary_right).length / numValues)
-  }
-
-  const plotData: Partial<plotly.PlotData>[] = [
-    {
-      type: "scatter",
-      x: xValues,
-      y: yValues,
-    },
-  ]
-  plotly.react(domId, plotData, layout)
-}
-
 const plotEdfMultiStudies = (
   edfPlotInfos: EdfPlotInfo[],
   target: Target,
diff --git a/optuna_dashboard/ts/components/StudyDetail.tsx b/optuna_dashboard/ts/components/StudyDetail.tsx
index 255be7d2..9c167094 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 { GraphEdf } from "./GraphEdf"
+import { GraphEdfMultiStudies } from "./GraphEdf"
 import { TrialList } from "./TrialList"
 import { StudyHistory } from "./StudyHistory"
 
@@ -113,7 +113,10 @@ export const StudyDetail: FC<{
                 <Grid2 xs={6} key={i}>
                   <Card>
                     <CardContent>
-                      <GraphEdf study={studyDetail} objectiveId={i} />
+                      <GraphEdfMultiStudies
+                        studies={[studyDetail]}
+                        objectiveId={i}
+                      />
                     </CardContent>
                   </Card>
                 </Grid2>