diff --git a/components/column/Column.d.ts b/components/column/Column.d.ts
index dbaca6e3f..a7722336f 100755
--- a/components/column/Column.d.ts
+++ b/components/column/Column.d.ts
@@ -493,7 +493,7 @@ export interface ColumnEmits {}
  *
  * @group Component
  */
-export declare class Column extends ClassComponent<ColumnProps, ColumnSlots, ColumnEmits> {}
+declare class Column extends ClassComponent<ColumnProps, ColumnSlots, ColumnEmits> {}
 
 declare module '@vue/runtime-core' {
     interface GlobalComponents {
diff --git a/components/columngroup/ColumnGroup.d.ts b/components/columngroup/ColumnGroup.d.ts
index 597a7bb63..ce1e36e37 100755
--- a/components/columngroup/ColumnGroup.d.ts
+++ b/components/columngroup/ColumnGroup.d.ts
@@ -12,10 +12,7 @@ export interface ColumnGroupProps {
 
 export interface ColumnGroupSlots {}
 
-/**
- * @group Interfaces
- */
-export declare type ColumnGroupEmits = {};
+export interface ColumnGroupEmits {}
 
 declare class ColumnGroup extends ClassComponent<ColumnGroupProps, ColumnGroupSlots, ColumnGroupEmits> {}
 
@@ -25,13 +22,4 @@ declare module '@vue/runtime-core' {
     }
 }
 
-/**
- *
- * ColumnGroup is a helper component to create grouped header and footer on DataTable.
- *
- * Demos:
- *
- * - [ColumnGroup](https://www.primefaces.org/primevue/datatable/colgroup)
- *
- */
 export default ColumnGroup;
diff --git a/components/datatable/DataTable.d.ts b/components/datatable/DataTable.d.ts
index 088b34403..9fe88af01 100755
--- a/components/datatable/DataTable.d.ts
+++ b/components/datatable/DataTable.d.ts
@@ -1109,7 +1109,7 @@ export interface DataTableEmits {
  *
  * @group Component
  */
-export declare class DataTable extends ClassComponent<DataTableProps, DataTableSlots, DataTableEmits> {
+declare class DataTable extends ClassComponent<DataTableProps, DataTableSlots, DataTableEmits> {
     /**
      * Exports the data to CSV format.
      * @param {DataTableExportCSVOptions} [options] - Export options.