diff --git a/packages/mui-material/src/FilledInput/FilledInput.js b/packages/mui-material/src/FilledInput/FilledInput.js
index 349252d64c3d5e..6849bedd11e544 100644
--- a/packages/mui-material/src/FilledInput/FilledInput.js
+++ b/packages/mui-material/src/FilledInput/FilledInput.js
@@ -166,34 +166,6 @@ const FilledInputRoot = styled(InputBaseRoot, {
             paddingRight: 12,
           },
         },
-        {
-          props: ({ ownerState }) => ownerState.multiline,
-          style: {
-            padding: '25px 12px 8px',
-          },
-        },
-        {
-          props: ({ ownerState, size }) => ownerState.multiline && size === 'small',
-          style: {
-            paddingTop: 21,
-            paddingBottom: 4,
-          },
-        },
-        {
-          props: ({ ownerState }) => ownerState.multiline && ownerState.hiddenLabel,
-          style: {
-            paddingTop: 16,
-            paddingBottom: 17,
-          },
-        },
-        {
-          props: ({ ownerState }) =>
-            ownerState.multiline && ownerState.hiddenLabel && ownerState.size === 'small',
-          style: {
-            paddingTop: 8,
-            paddingBottom: 9,
-          },
-        },
       ],
     };
   }),
@@ -260,15 +232,6 @@ const FilledInputInput = styled(InputBaseInput, {
           paddingBottom: 9,
         },
       },
-      {
-        props: ({ ownerState }) => ownerState.multiline,
-        style: {
-          paddingTop: 0,
-          paddingBottom: 0,
-          paddingLeft: 0,
-          paddingRight: 0,
-        },
-      },
     ],
   })),
 );
diff --git a/packages/mui-material/src/InputBase/InputBase.js b/packages/mui-material/src/InputBase/InputBase.js
index 8c2e357a330bcc..5c511b619d533a 100644
--- a/packages/mui-material/src/InputBase/InputBase.js
+++ b/packages/mui-material/src/InputBase/InputBase.js
@@ -110,18 +110,6 @@ export const InputBaseRoot = styled('div', {
       cursor: 'default',
     },
     variants: [
-      {
-        props: ({ ownerState }) => ownerState.multiline,
-        style: {
-          padding: '4px 0 5px',
-        },
-      },
-      {
-        props: ({ ownerState, size }) => ownerState.multiline && size === 'small',
-        style: {
-          paddingTop: 1,
-        },
-      },
       {
         props: ({ ownerState }) => ownerState.fullWidth,
         style: {
@@ -230,8 +218,6 @@ export const InputBaseInput = styled('input', {
           style: {
             height: 'auto',
             resize: 'none',
-            padding: 0,
-            paddingTop: 0,
           },
         },
         {
diff --git a/packages/mui-material/src/OutlinedInput/OutlinedInput.js b/packages/mui-material/src/OutlinedInput/OutlinedInput.js
index bb851995a8224d..6ec912eefbe2a5 100644
--- a/packages/mui-material/src/OutlinedInput/OutlinedInput.js
+++ b/packages/mui-material/src/OutlinedInput/OutlinedInput.js
@@ -96,18 +96,6 @@ const OutlinedInputRoot = styled(InputBaseRoot, {
             paddingRight: 14,
           },
         },
-        {
-          props: ({ ownerState }) => ownerState.multiline,
-          style: {
-            padding: '16.5px 14px',
-          },
-        },
-        {
-          props: ({ ownerState, size }) => ownerState.multiline && size === 'small',
-          style: {
-            padding: '8.5px 14px',
-          },
-        },
       ],
     };
   }),
@@ -158,12 +146,6 @@ const OutlinedInputInput = styled(InputBaseInput, {
           padding: '8.5px 14px',
         },
       },
-      {
-        props: ({ ownerState }) => ownerState.multiline,
-        style: {
-          padding: 0,
-        },
-      },
       {
         props: ({ ownerState }) => ownerState.startAdornment,
         style: {
diff --git a/test/regressions/fixtures/Textarea/Textarea.js b/test/regressions/fixtures/Textarea/Textarea.js
index 1e5d71615afa4e..6c2cb17ddf910d 100644
--- a/test/regressions/fixtures/Textarea/Textarea.js
+++ b/test/regressions/fixtures/Textarea/Textarea.js
@@ -19,6 +19,10 @@ function Textarea() {
             fontSize: 13,
             boxSizing: 'border-box',
             border: '10px solid black',
+            padding: 0,
+          },
+          '&.MuiInput-root': {
+            padding: '4px 0 5px',
           },
         }}
         multiline
@@ -29,6 +33,9 @@ function Textarea() {
         sx={{
           width: 200,
           '& .MuiInput-input': { fontSize: 13, boxSizing: 'content-box', padding: '10px' },
+          '&.MuiInput-root': {
+            padding: '4px 0 5px',
+          },
         }}
         multiline
         value={value}