diff --git a/packages/mui-material-next/src/FilledInput/FilledInput.d.ts b/packages/mui-material-next/src/FilledInput/FilledInput.d.ts
index c9caa77ac2b6c3..74e6dd93fccf9a 100644
--- a/packages/mui-material-next/src/FilledInput/FilledInput.d.ts
+++ b/packages/mui-material-next/src/FilledInput/FilledInput.d.ts
@@ -1,6 +1,6 @@
 import { SxProps } from '@mui/system';
-import { InternalStandardProps as StandardProps, Theme } from '..';
-import { InputBaseProps } from '../InputBase';
+import { InternalStandardProps as StandardProps, Theme } from '@mui/material';
+import { InputBaseProps } from '@mui/material/InputBase';
 import { FilledInputClasses } from './filledInputClasses';
 
 export interface FilledInputProps extends StandardProps<InputBaseProps> {
diff --git a/packages/mui-material-next/src/FilledInput/FilledInput.js b/packages/mui-material-next/src/FilledInput/FilledInput.js
index e618edf66553aa..6392ae19956bfb 100644
--- a/packages/mui-material-next/src/FilledInput/FilledInput.js
+++ b/packages/mui-material-next/src/FilledInput/FilledInput.js
@@ -3,16 +3,16 @@ import * as React from 'react';
 import { refType, deepmerge } from '@mui/utils';
 import PropTypes from 'prop-types';
 import { unstable_composeClasses as composeClasses } from '@mui/base/composeClasses';
+// TODO v6: use material-next/InputBase
+import {
+  rootOverridesResolver as inputBaseRootOverridesResolver,
+  inputOverridesResolver as inputBaseInputOverridesResolver,
+} from '@mui/material/InputBase/InputBase';
 import InputBase from '../InputBase';
 import styled, { rootShouldForwardProp } from '../styles/styled';
 import useThemeProps from '../styles/useThemeProps';
 import filledInputClasses, { getFilledInputUtilityClass } from './filledInputClasses';
-import {
-  rootOverridesResolver as inputBaseRootOverridesResolver,
-  inputOverridesResolver as inputBaseInputOverridesResolver,
-  InputBaseRoot,
-  InputBaseComponent as InputBaseInput,
-} from '../InputBase/InputBase';
+import { InputBaseRoot, InputBaseInput } from '../InputBase/InputBase';
 
 const useUtilityClasses = (ownerState) => {
   const { classes, disableUnderline } = ownerState;
diff --git a/packages/mui-material-next/src/FilledInput/FilledInput.spec.tsx b/packages/mui-material-next/src/FilledInput/FilledInput.spec.tsx
index 9279e46f6ba669..85956d7f730606 100644
--- a/packages/mui-material-next/src/FilledInput/FilledInput.spec.tsx
+++ b/packages/mui-material-next/src/FilledInput/FilledInput.spec.tsx
@@ -1,5 +1,5 @@
 import * as React from 'react';
-import FilledInput from '@mui/material/FilledInput';
+import FilledInput from '@mui/material-next/FilledInput';
 
 function TestHiddenLabel() {
   return <FilledInput hiddenLabel />;
diff --git a/packages/mui-material-next/src/FilledInput/filledInputClasses.ts b/packages/mui-material-next/src/FilledInput/filledInputClasses.ts
index 2032773788288d..b9935def8117cd 100644
--- a/packages/mui-material-next/src/FilledInput/filledInputClasses.ts
+++ b/packages/mui-material-next/src/FilledInput/filledInputClasses.ts
@@ -1,5 +1,7 @@
-import { unstable_generateUtilityClasses as generateUtilityClasses } from '@mui/utils';
-import generateUtilityClass from '../generateUtilityClass';
+import {
+  unstable_generateUtilityClass as generateUtilityClass,
+  unstable_generateUtilityClasses as generateUtilityClasses,
+} from '@mui/utils';
 import { inputBaseClasses } from '../InputBase';
 
 export interface FilledInputClasses {