diff --git a/src/components/appTheme.jsx b/src/components/appTheme.jsx
index 749b2b2..2a33853 100644
--- a/src/components/appTheme.jsx
+++ b/src/components/appTheme.jsx
@@ -16,7 +16,6 @@
 //  specific language governing permissions and limitations
 //  under the License.
 //
-import { createTheme } from '@mui/material/styles';
 
 function addAlpha(color, opacity) {
   var _opacity = Math.round(Math.min(Math.max(opacity || 1, 0), 1) * 255);
diff --git a/src/components/utils/PrintButton.jsx b/src/components/utils/PrintButton.jsx
index 383666a..12567b0 100644
--- a/src/components/utils/PrintButton.jsx
+++ b/src/components/utils/PrintButton.jsx
@@ -34,7 +34,7 @@ import ReactToPrint from 'react-to-print';
 import { getAppTheme } from "../appTheme";
 
 function PrintButton(props) {
-  const { title, content, trigger, buttonProps, ...rest } = props;
+  const { title, content, trigger, buttonProps } = props;
 
   const ref = useRef(null);
   const printTheme = useMemo(() => createTheme(getAppTheme()), []);
diff --git a/src/components/views/RecordViewer.jsx b/src/components/views/RecordViewer.jsx
index 6184e15..6c4b87e 100644
--- a/src/components/views/RecordViewer.jsx
+++ b/src/components/views/RecordViewer.jsx
@@ -28,7 +28,6 @@ import {
   ListItemText,
   ListSubheader,
   Stack,
-  Typography,
 } from "@mui/material";
 
 import ResponsiveDialog from "../utils/ResponsiveDialog";
diff --git a/src/components/views/Toolbar.jsx b/src/components/views/Toolbar.jsx
index 735c284..2ad4217 100644
--- a/src/components/views/Toolbar.jsx
+++ b/src/components/views/Toolbar.jsx
@@ -17,7 +17,7 @@
 //  under the License.
 //
 
-import React, { useEffect, useState } from "react";
+import React, { useState } from "react";
 
 import {
   GridToolbarContainer,
@@ -25,7 +25,6 @@ import {
   GridToolbarFilterButton,
   GridToolbarExportContainer,
   GridCsvExportMenuItem,
-  GridExportMenuItemProps,
   useGridApiContext,
   gridFilteredSortedRowIdsSelector,
   gridVisibleColumnFieldsSelector,