diff --git a/packages/ra-ui-materialui/src/input/DatagridInput.stories.tsx b/packages/ra-ui-materialui/src/input/DatagridInput.stories.tsx
index 888b76127b3..b2bd235d620 100644
--- a/packages/ra-ui-materialui/src/input/DatagridInput.stories.tsx
+++ b/packages/ra-ui-materialui/src/input/DatagridInput.stories.tsx
@@ -47,7 +47,6 @@ const BookEdit = () => {
                 <DatagridInput
                     source="author"
                     choices={choices}
-                    fullWidth
                     rowClick="toggleSelection"
                 >
                     <TextField source="name" />
diff --git a/packages/ra-ui-materialui/src/input/DatagridInput.tsx b/packages/ra-ui-materialui/src/input/DatagridInput.tsx
index b649fce16f1..d08ef532d69 100644
--- a/packages/ra-ui-materialui/src/input/DatagridInput.tsx
+++ b/packages/ra-ui-materialui/src/input/DatagridInput.tsx
@@ -175,7 +175,7 @@ export const DatagridInput = (inProps: DatagridInputProps) => {
 
 export type DatagridInputProps = Omit<
     CommonInputProps,
-    'source' | 'readOnly' | 'disabled'
+    'fullWidth' | 'source' | 'readOnly' | 'disabled'
 > &
     ChoicesProps &
     Omit<SupportCreateSuggestionOptions, 'handleChange'> &
diff --git a/packages/ra-ui-materialui/src/input/sanitizeInputRestProps.ts b/packages/ra-ui-materialui/src/input/sanitizeInputRestProps.ts
index 4d843ed54ea..14561eb19b4 100644
--- a/packages/ra-ui-materialui/src/input/sanitizeInputRestProps.ts
+++ b/packages/ra-ui-materialui/src/input/sanitizeInputRestProps.ts
@@ -41,6 +41,5 @@ export const sanitizeInputRestProps = ({
     validate,
     validateFields,
     value,
-    fullWidth,
     ...rest
 }: any) => rest;