diff --git a/docs/data/data-grid/localization/data.json b/docs/data/data-grid/localization/data.json
index 551b970f981fa..ccb7eaa89bd1b 100644
--- a/docs/data/data-grid/localization/data.json
+++ b/docs/data/data-grid/localization/data.json
@@ -155,7 +155,7 @@
     "languageTag": "nb-NO",
     "importName": "nbNO",
     "localeName": "Norwegian (Bokmål)",
-    "missingKeysCount": 29,
+    "missingKeysCount": 25,
     "totalKeysCount": 118,
     "githubLink": "https://github.com/mui/mui-x/blob/master/packages/x-data-grid/src/locales/nbNO.ts"
   },
diff --git a/packages/x-data-grid/src/locales/nbNO.ts b/packages/x-data-grid/src/locales/nbNO.ts
index 67b35b620d955..67c0e100dc7b7 100644
--- a/packages/x-data-grid/src/locales/nbNO.ts
+++ b/packages/x-data-grid/src/locales/nbNO.ts
@@ -39,10 +39,10 @@ const nbNOGrid: Partial<GridLocaleText> = {
   toolbarExportExcel: 'Last ned som Excel',
 
   // Columns management text
-  // columnsManagementSearchTitle: 'Search',
-  // columnsManagementNoColumns: 'No columns',
-  // columnsManagementShowHideAllText: 'Show/Hide All',
-  // columnsManagementReset: 'Reset',
+  columnsManagementSearchTitle: 'Søk',
+  columnsManagementNoColumns: 'Ingen kolonner',
+  columnsManagementShowHideAllText: 'Vis/skjul alle',
+  columnsManagementReset: 'Nullstill',
 
   // Filter panel text
   filterPanelAddFilter: 'Legg til filter',