diff --git a/docs/data/data-grid/column-menu/CustomColumnMenuGrid.js b/docs/data/data-grid/column-menu/CustomColumnMenuGrid.js
index 5393cd42d091..8b551b1c6bd7 100644
--- a/docs/data/data-grid/column-menu/CustomColumnMenuGrid.js
+++ b/docs/data/data-grid/column-menu/CustomColumnMenuGrid.js
@@ -30,7 +30,7 @@ function CustomColumnMenu(props) {
   };
   return (
     <React.Fragment>
-      <Stack px={1.5} py={0.5}>
+      <Stack px={0.5} py={0.5}>
         <GridColumnMenuSortItem {...itemProps} />
         {/* Only provide filtering on desk */}
         {itemProps.colDef.field === 'desk' ? (
@@ -38,7 +38,7 @@ function CustomColumnMenu(props) {
         ) : null}
       </Stack>
       <Divider />
-      <Stack px={1.5} py={0.5}>
+      <Stack px={0.5} py={0.5}>
         <GridColumnMenuColumnsItem {...itemProps} />
         <MenuCloseComponent {...itemProps} />
       </Stack>
diff --git a/docs/data/data-grid/column-menu/CustomColumnMenuGrid.tsx b/docs/data/data-grid/column-menu/CustomColumnMenuGrid.tsx
index 90f7beea0dd7..bb40e473f1ae 100644
--- a/docs/data/data-grid/column-menu/CustomColumnMenuGrid.tsx
+++ b/docs/data/data-grid/column-menu/CustomColumnMenuGrid.tsx
@@ -27,7 +27,7 @@ function CustomColumnMenu(props: GridColumnMenuProps) {
   };
   return (
     <React.Fragment>
-      <Stack px={1.5} py={0.5}>
+      <Stack px={0.5} py={0.5}>
         <GridColumnMenuSortItem {...itemProps} />
         {/* Only provide filtering on desk */}
         {itemProps.colDef.field === 'desk' ? (
@@ -35,7 +35,7 @@ function CustomColumnMenu(props: GridColumnMenuProps) {
         ) : null}
       </Stack>
       <Divider />
-      <Stack px={1.5} py={0.5}>
+      <Stack px={0.5} py={0.5}>
         <GridColumnMenuColumnsItem {...itemProps} />
         <MenuCloseComponent {...itemProps} />
       </Stack>
diff --git a/packages/grid/x-data-grid-premium/src/DataGridPremium/useDataGridPremiumProps.ts b/packages/grid/x-data-grid-premium/src/DataGridPremium/useDataGridPremiumProps.ts
index 01441983ec36..bfec78850bbd 100644
--- a/packages/grid/x-data-grid-premium/src/DataGridPremium/useDataGridPremiumProps.ts
+++ b/packages/grid/x-data-grid-premium/src/DataGridPremium/useDataGridPremiumProps.ts
@@ -8,7 +8,7 @@ import {
 } from '../models/dataGridPremiumProps';
 import { GridPremiumSlotsComponent } from '../models';
 import { GRID_AGGREGATION_FUNCTIONS } from '../hooks/features/aggregation';
-import { DATA_GRID_PREMIUM_DEFAULT_SLOTS_COMPONENTS } from '../constants';
+import { DATA_GRID_PREMIUM_DEFAULT_SLOTS_COMPONENTS } from '../constants/dataGridPremiumDefaultSlotsComponents';
 
 /**
  * The default values of `DataGridPremiumPropsWithDefaultValue` to inject in the props of DataGridPremium.
diff --git a/packages/grid/x-data-grid-premium/src/constants/dataGridPremiumDefaultSlotsComponents.ts b/packages/grid/x-data-grid-premium/src/constants/dataGridPremiumDefaultSlotsComponents.ts
index 60fd1336f02e..696d00c0217c 100644
--- a/packages/grid/x-data-grid-premium/src/constants/dataGridPremiumDefaultSlotsComponents.ts
+++ b/packages/grid/x-data-grid-premium/src/constants/dataGridPremiumDefaultSlotsComponents.ts
@@ -1,4 +1,4 @@
-import { DATA_GRID_PRO_DEFAULT_SLOTS_COMPONENTS } from '@mui/x-data-grid-pro';
+import { DATA_GRID_DEFAULT_SLOTS_COMPONENTS } from '@mui/x-data-grid-pro';
 import { GridPremiumSlotsComponent, GridPremiumIconSlotsComponent } from '../models';
 import { GridWorkspacesIcon, GridGroupWorkIcon, GridFunctionsIcon } from '../components';
 import { GridPremiumColumnMenu } from '../components/GridPremiumColumnMenu';
@@ -10,7 +10,7 @@ export const DEFAULT_GRID_PREMIUM_ICON_SLOTS_COMPONENTS: GridPremiumIconSlotsCom
 };
 
 export const DATA_GRID_PREMIUM_DEFAULT_SLOTS_COMPONENTS: GridPremiumSlotsComponent = {
-  ...DATA_GRID_PRO_DEFAULT_SLOTS_COMPONENTS,
+  ...DATA_GRID_DEFAULT_SLOTS_COMPONENTS,
   ...DEFAULT_GRID_PREMIUM_ICON_SLOTS_COMPONENTS,
   ColumnMenu: GridPremiumColumnMenu,
 };
diff --git a/packages/grid/x-data-grid-premium/src/constants/index.ts b/packages/grid/x-data-grid-premium/src/constants/index.ts
deleted file mode 100644
index 22aa4dceec69..000000000000
--- a/packages/grid/x-data-grid-premium/src/constants/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from './dataGridPremiumDefaultSlotsComponents';
diff --git a/packages/grid/x-data-grid-premium/src/index.ts b/packages/grid/x-data-grid-premium/src/index.ts
index 5324f84633dc..2e2c937a5ff4 100644
--- a/packages/grid/x-data-grid-premium/src/index.ts
+++ b/packages/grid/x-data-grid-premium/src/index.ts
@@ -18,7 +18,6 @@ export * from './DataGridPremium';
 export * from './hooks';
 export * from './models';
 export * from './components';
-export * from './constants';
 
 export type {
   DataGridPremiumProps,
@@ -33,3 +32,4 @@ export {
   GRID_COLUMN_MENU_COMPONENTS,
   GRID_COLUMN_MENU_COMPONENTS_PROPS,
 } from './components/reexports';
+export { DATA_GRID_PREMIUM_DEFAULT_SLOTS_COMPONENTS as DATA_GRID_DEFAULT_SLOTS_COMPONENTS } from './constants/dataGridPremiumDefaultSlotsComponents';
diff --git a/packages/grid/x-data-grid-pro/src/DataGridPro/useDataGridProProps.ts b/packages/grid/x-data-grid-pro/src/DataGridPro/useDataGridProProps.ts
index 0ef8f6f4962e..ae6faf00446d 100644
--- a/packages/grid/x-data-grid-pro/src/DataGridPro/useDataGridProProps.ts
+++ b/packages/grid/x-data-grid-pro/src/DataGridPro/useDataGridProProps.ts
@@ -11,7 +11,7 @@ import {
   DataGridProPropsWithDefaultValue,
 } from '../models/dataGridProProps';
 import { GridProSlotsComponent } from '../models';
-import { DATA_GRID_PRO_DEFAULT_SLOTS_COMPONENTS } from '../constants';
+import { DATA_GRID_PRO_DEFAULT_SLOTS_COMPONENTS } from '../constants/dataGridProDefaultSlotsComponents';
 
 /**
  * The default values of `DataGridProPropsWithDefaultValue` to inject in the props of DataGridPro.
diff --git a/packages/grid/x-data-grid-pro/src/constants/index.ts b/packages/grid/x-data-grid-pro/src/constants/index.ts
deleted file mode 100644
index 5f01ef8e43a6..000000000000
--- a/packages/grid/x-data-grid-pro/src/constants/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from './dataGridProDefaultSlotsComponents';
diff --git a/packages/grid/x-data-grid-pro/src/index.ts b/packages/grid/x-data-grid-pro/src/index.ts
index c1f2cdc1dcd7..5018e9c865fa 100644
--- a/packages/grid/x-data-grid-pro/src/index.ts
+++ b/packages/grid/x-data-grid-pro/src/index.ts
@@ -19,7 +19,6 @@ export * from './DataGridPro';
 export * from './hooks';
 export * from './models';
 export * from './components';
-export * from './constants';
 export * from './utils';
 
 export type { DataGridProProps, GridExperimentalProFeatures } from './models/dataGridProProps';
@@ -32,3 +31,4 @@ export {
   GRID_COLUMN_MENU_COMPONENTS,
   GRID_COLUMN_MENU_COMPONENTS_PROPS,
 } from './components/reexports';
+export { DATA_GRID_PRO_DEFAULT_SLOTS_COMPONENTS as DATA_GRID_DEFAULT_SLOTS_COMPONENTS } from './constants/dataGridProDefaultSlotsComponents';
diff --git a/packages/grid/x-data-grid-pro/src/tests/columnHeaders.DataGridPro.test.tsx b/packages/grid/x-data-grid-pro/src/tests/columnHeaders.DataGridPro.test.tsx
index c70f7c2f134f..846a26c1d96f 100644
--- a/packages/grid/x-data-grid-pro/src/tests/columnHeaders.DataGridPro.test.tsx
+++ b/packages/grid/x-data-grid-pro/src/tests/columnHeaders.DataGridPro.test.tsx
@@ -222,7 +222,6 @@ describe('<DataGridPro /> - Column Headers', () => {
             <DataGridPro
               {...baselineProps}
               columns={[{ field: 'brand' }]}
-              components={{ ColumnMenu: GridColumnMenu }}
               initialState={{ sorting: { sortModel: [{ field: 'brand', sort: 'asc' }] } }}
               {...props}
             />
diff --git a/packages/grid/x-data-grid/src/DataGrid/useDataGridProps.ts b/packages/grid/x-data-grid/src/DataGrid/useDataGridProps.ts
index 4b04655007cb..792b14c10a8a 100644
--- a/packages/grid/x-data-grid/src/DataGrid/useDataGridProps.ts
+++ b/packages/grid/x-data-grid/src/DataGrid/useDataGridProps.ts
@@ -6,7 +6,8 @@ import {
   DataGridForcedPropsKey,
   DataGridPropsWithDefaultValues,
 } from '../models/props/DataGridProps';
-import { DATA_GRID_DEFAULT_SLOTS_COMPONENTS, GRID_DEFAULT_LOCALE_TEXT } from '../constants';
+import { GRID_DEFAULT_LOCALE_TEXT } from '../constants';
+import { DATA_GRID_DEFAULT_SLOTS_COMPONENTS } from '../constants/defaultGridSlotsComponents';
 import { GridDensityTypes, GridEditModes, GridSlotsComponent, GridValidRowModel } from '../models';
 
 const DATA_GRID_FORCED_PROPS: { [key in DataGridForcedPropsKey]?: DataGridProcessedProps[key] } = {
diff --git a/packages/grid/x-data-grid/src/constants/index.ts b/packages/grid/x-data-grid/src/constants/index.ts
index ca413cdb79b7..667fc4d02d8c 100644
--- a/packages/grid/x-data-grid/src/constants/index.ts
+++ b/packages/grid/x-data-grid/src/constants/index.ts
@@ -1,4 +1,3 @@
 export * from './envConstants';
 export * from './localeTextConstants';
-export * from './defaultGridSlotsComponents';
 export * from './gridClasses';
diff --git a/packages/grid/x-data-grid/src/index.ts b/packages/grid/x-data-grid/src/index.ts
index a27b06080794..3bd21540f814 100644
--- a/packages/grid/x-data-grid/src/index.ts
+++ b/packages/grid/x-data-grid/src/index.ts
@@ -28,6 +28,7 @@ export {
   GRID_COLUMN_MENU_COMPONENTS,
   GRID_COLUMN_MENU_COMPONENTS_PROPS,
 } from './components/reexportable';
+export { DATA_GRID_DEFAULT_SLOTS_COMPONENTS } from './constants/defaultGridSlotsComponents';
 
 /**
  * The full grid API.
diff --git a/packages/grid/x-data-grid/src/locales/itIT.ts b/packages/grid/x-data-grid/src/locales/itIT.ts
index 6dff100b1607..77ab02c846fd 100644
--- a/packages/grid/x-data-grid/src/locales/itIT.ts
+++ b/packages/grid/x-data-grid/src/locales/itIT.ts
@@ -123,7 +123,7 @@ const itITGrid: Partial<GridLocaleText> = {
   // Column pinning text
   pinToLeft: 'Blocca a sinistra',
   pinToRight: 'Blocca a destra',
-  // unpin: 'Unpin',
+  unpin: 'Sblocca',
 
   // Tree Data
   treeDataGroupingHeaderName: 'Gruppo',
diff --git a/scripts/x-data-grid-premium.exports.json b/scripts/x-data-grid-premium.exports.json
index b06d166fb06d..15b34515d969 100644
--- a/scripts/x-data-grid-premium.exports.json
+++ b/scripts/x-data-grid-premium.exports.json
@@ -11,7 +11,6 @@
   { "name": "CursorCoordinates", "kind": "Interface" },
   { "name": "daDK", "kind": "Variable" },
   { "name": "DATA_GRID_DEFAULT_SLOTS_COMPONENTS", "kind": "Variable" },
-  { "name": "DATA_GRID_PREMIUM_DEFAULT_SLOTS_COMPONENTS", "kind": "Variable" },
   { "name": "DATA_GRID_PREMIUM_PROPS_DEFAULT_VALUES", "kind": "Variable" },
   { "name": "DataGrid", "kind": "Function" },
   { "name": "DataGridPremium", "kind": "Variable" },
@@ -19,7 +18,6 @@
   { "name": "DataGridPro", "kind": "Function" },
   { "name": "deDE", "kind": "Variable" },
   { "name": "DEFAULT_GRID_COL_TYPE_KEY", "kind": "Variable" },
-  { "name": "DEFAULT_GRID_PREMIUM_ICON_SLOTS_COMPONENTS", "kind": "Variable" },
   { "name": "ElementSize", "kind": "Interface" },
   { "name": "elGR", "kind": "Variable" },
   { "name": "enUS", "kind": "Variable" },
diff --git a/scripts/x-data-grid-pro.exports.json b/scripts/x-data-grid-pro.exports.json
index 31e41f00803f..787ebb29ec27 100644
--- a/scripts/x-data-grid-pro.exports.json
+++ b/scripts/x-data-grid-pro.exports.json
@@ -10,7 +10,6 @@
   { "name": "CursorCoordinates", "kind": "Interface" },
   { "name": "daDK", "kind": "Variable" },
   { "name": "DATA_GRID_DEFAULT_SLOTS_COMPONENTS", "kind": "Variable" },
-  { "name": "DATA_GRID_PRO_DEFAULT_SLOTS_COMPONENTS", "kind": "Variable" },
   { "name": "DATA_GRID_PRO_PROPS_DEFAULT_VALUES", "kind": "Variable" },
   { "name": "DataGrid", "kind": "Function" },
   { "name": "DataGridPremium", "kind": "Function" },
@@ -18,7 +17,6 @@
   { "name": "DataGridProProps", "kind": "Interface" },
   { "name": "deDE", "kind": "Variable" },
   { "name": "DEFAULT_GRID_COL_TYPE_KEY", "kind": "Variable" },
-  { "name": "DEFAULT_GRID_PRO_ICON_SLOTS_COMPONENTS", "kind": "Variable" },
   { "name": "ElementSize", "kind": "Interface" },
   { "name": "elGR", "kind": "Variable" },
   { "name": "enUS", "kind": "Variable" },