diff --git a/packages/ra-ui-materialui/src/layout/Confirm.tsx b/packages/ra-ui-materialui/src/layout/Confirm.tsx
index 3f25271e320..dc2d3c4b7fb 100644
--- a/packages/ra-ui-materialui/src/layout/Confirm.tsx
+++ b/packages/ra-ui-materialui/src/layout/Confirm.tsx
@@ -16,9 +16,6 @@ import { useTranslate } from 'ra-core';
 
 const useStyles = makeStyles(
     theme => ({
-        contentText: {
-            minWidth: 400,
-        },
         confirmPrimary: {
             color: theme.palette.primary.main,
         },
@@ -97,7 +94,7 @@ const Confirm: FC<ConfirmProps> = props => {
                 {translate(title, { _: title, ...translateOptions })}
             </DialogTitle>
             <DialogContent>
-                <DialogContentText className={classes.contentText}>
+                <DialogContentText>
                     {translate(content, {
                         _: content,
                         ...translateOptions,