diff --git a/projects/igniteui-angular/src/lib/grids/grid-base.component.ts b/projects/igniteui-angular/src/lib/grids/grid-base.component.ts
index 0a26f7bd3df..669aee924d1 100644
--- a/projects/igniteui-angular/src/lib/grids/grid-base.component.ts
+++ b/projects/igniteui-angular/src/lib/grids/grid-base.component.ts
@@ -340,8 +340,6 @@ export abstract class IgxGridBaseComponent extends DisplayDensityBase implements
         if (this.rowSelectable) {
             this.updateHeaderCheckboxStatusOnFilter(this._filteredData);
         }
-
-        this.refreshSearch(true);
     }
 
     /**
@@ -1646,8 +1644,6 @@ export abstract class IgxGridBaseComponent extends DisplayDensityBase implements
     set sortingExpressions(value: ISortingExpression[]) {
         this._sortingExpressions = cloneArray(value);
         this.cdr.markForCheck();
-
-        this.refreshSearch(true);
     }
 
     /**
@@ -2166,6 +2162,7 @@ export abstract class IgxGridBaseComponent extends DisplayDensityBase implements
     protected _wheelListener = null;
     protected _allowFiltering = false;
     private _filteredData = null;
+    private _filteredSortedData = null;
     private resizeHandler;
     private columnListDiffer;
     private _hiddenColumnsText = '';
@@ -3012,8 +3009,6 @@ export abstract class IgxGridBaseComponent extends DisplayDensityBase implements
         this.onRowAdded.emit({ data });
         this._pipeTrigger++;
         this.cdr.markForCheck();
-
-        this.refreshSearch();
     }
 
     /**
@@ -3070,7 +3065,6 @@ export abstract class IgxGridBaseComponent extends DisplayDensityBase implements
         // Data needs to be recalculated if transactions are in place
         // If no transactions, `data` will be a reference to the grid getter, otherwise it will be stale
         const dataAfterDelete = this.transactions.enabled ? this.dataWithAddedInTransactionRows : data;
-        this.refreshSearch();
         if (dataAfterDelete.length % this.perPage === 0 && dataAfterDelete.length / this.perPage - 1 < this.page && this.page !== 0) {
             this.page--;
         }
@@ -3122,7 +3116,6 @@ export abstract class IgxGridBaseComponent extends DisplayDensityBase implements
                     this.gridAPI.escape_editMode(this.id, editableCell.cellID);
                 }
                 this.cdr.markForCheck();
-                this.refreshSearch();
             }
         }
     }
@@ -3148,7 +3141,6 @@ export abstract class IgxGridBaseComponent extends DisplayDensityBase implements
             }
             this.gridAPI.update_row(value, this.id, rowSelector);
             this.cdr.markForCheck();
-            this.refreshSearch();
         }
     }
 
@@ -4197,30 +4189,18 @@ export abstract class IgxGridBaseComponent extends DisplayDensityBase implements
     }
 
     /**
-     * Returns an array containing the filtered data.
+     * Returns an array containing the filtered sorted data.
      * ```typescript
-     * const filteredData = this.grid1.filteredSortedData;
+     * const filteredSortedData = this.grid1.filteredSortedData;
      * ```
 	 * @memberof IgxGridBaseComponent
      */
     get filteredSortedData(): any[] {
-        return this.resolveFilteredSortedData();
+        return this._filteredSortedData;
     }
-
-    /**
-     * @hidden
-     */
-    protected resolveFilteredSortedData(): any[] {
-        let data: any[] = this.filteredData ? this.filteredData : this.data;
-        if (!this.filteredData && this.transactions.enabled) {
-            data = DataUtil.mergeTransactions(
-                cloneArray(data),
-                this.transactions.getAggregatedChanges(true),
-                this.primaryKey
-            );
-        }
-
-        return data;
+    set filteredSortedData(value: any[]) {
+        this._filteredSortedData = value;
+        this.refreshSearch(true);
     }
 
     /**
diff --git a/projects/igniteui-angular/src/lib/grids/grid/grid.component.html b/projects/igniteui-angular/src/lib/grids/grid/grid.component.html
index d1a7a38ae48..c47de54d688 100644
--- a/projects/igniteui-angular/src/lib/grids/grid/grid.component.html
+++ b/projects/igniteui-angular/src/lib/grids/grid/grid.component.html
@@ -71,7 +71,7 @@
     <span *ngIf="hasMovableColumns && draggedColumn && pinnedColumns.length > 0" [igxColumnMovingDrop]="parentVirtDir" [attr.droppable]="true" id="left" class="igx-grid__scroll-on-drag-pinned" [style.left.px]="pinnedWidth"></span>
     <ng-template igxGridFor let-rowData [igxGridForOf]="data | gridTransaction:id:pipeTrigger
     | gridFiltering:filteringExpressionsTree:id:pipeTrigger
-    | gridSort:sortingExpressions:pipeTrigger
+    | gridSort:sortingExpressions:id:pipeTrigger
     | gridPreGroupBy:groupingExpressions:groupingExpansionState:groupsExpanded:id:pipeTrigger
     | gridPaging:page:perPage:id:pipeTrigger
     | gridPostGroupBy:groupingExpressions:groupingExpansionState:groupsExpanded:id:groupsRecords:pipeTrigger
diff --git a/projects/igniteui-angular/src/lib/grids/grid/grid.component.ts b/projects/igniteui-angular/src/lib/grids/grid/grid.component.ts
index 27677555d5c..657a8a24d6c 100644
--- a/projects/igniteui-angular/src/lib/grids/grid/grid.component.ts
+++ b/projects/igniteui-angular/src/lib/grids/grid/grid.component.ts
@@ -470,7 +470,6 @@ export class IgxGridComponent extends IgxGridBaseComponent implements OnInit, Do
         }
         this.cdr.detectChanges();
         this.calculateGridSizes();
-        this.refreshSearch(true);
     }
 
     /**
@@ -486,7 +485,6 @@ export class IgxGridComponent extends IgxGridBaseComponent implements OnInit, Do
     public clearGrouping(name?: string | Array<string>): void {
         this._gridAPI.clear_groupby(this.id, name);
         this.calculateGridSizes();
-        this.refreshSearch(true);
     }
 
     /**
@@ -719,21 +717,6 @@ export class IgxGridComponent extends IgxGridBaseComponent implements OnInit, Do
         super.scrollTo(row, column);
     }
 
-    /**
-     * @hidden
-     */
-    protected resolveFilteredSortedData(): any[] {
-        let data: any[] = super.resolveFilteredSortedData();
-
-        if (this.sortingExpressions &&
-            this.sortingExpressions.length > 0) {
-
-            const sortingPipe = new IgxGridSortingPipe();
-            data = sortingPipe.transform(data, this.sortingExpressions, -1);
-        }
-        return data;
-    }
-
     /**
     * @hidden
     */
diff --git a/projects/igniteui-angular/src/lib/grids/grid/grid.pipes.ts b/projects/igniteui-angular/src/lib/grids/grid/grid.pipes.ts
index cd94980b975..3c54d52cc69 100644
--- a/projects/igniteui-angular/src/lib/grids/grid/grid.pipes.ts
+++ b/projects/igniteui-angular/src/lib/grids/grid/grid.pipes.ts
@@ -19,15 +19,24 @@ import { IgxGridBaseComponent } from '../grid-base.component';
     pure: true
 })
 export class IgxGridSortingPipe implements PipeTransform {
+    private gridAPI: IgxGridAPIService;
+
+    constructor(gridAPI: GridBaseAPIService<IgxGridBaseComponent>) {
+        this.gridAPI = <IgxGridAPIService>gridAPI;
+    }
 
-    constructor() { }
+    public transform(collection: any[], expressions: ISortingExpression[], id: string, pipeTrigger: number): any[] {
+        const grid = this.gridAPI.get(id);
+        let result: any[];
 
-    public transform(collection: any[], expressions: ISortingExpression[], pipeTrigger: number): any[] {
         if (!expressions.length) {
-            return collection;
+            result = collection;
+        } else {
+            result = DataUtil.sort(cloneArray(collection), expressions);
         }
+        grid.filteredSortedData = result;
 
-        return DataUtil.sort(cloneArray(collection), expressions);
+        return result;
     }
 }
 
diff --git a/projects/igniteui-angular/src/lib/grids/row.component.ts b/projects/igniteui-angular/src/lib/grids/row.component.ts
index e382bf1871e..f4a072740c8 100644
--- a/projects/igniteui-angular/src/lib/grids/row.component.ts
+++ b/projects/igniteui-angular/src/lib/grids/row.component.ts
@@ -264,7 +264,6 @@ export class IgxRowComponent<T extends IgxGridBaseComponent> implements DoCheck
         }
         this.gridAPI.update_row(value, this.gridID, this.rowID);
         this.cdr.markForCheck();
-        this.grid.refreshSearch();
     }
 
     /**
diff --git a/projects/igniteui-angular/src/lib/grids/tree-grid/tree-grid.component.ts b/projects/igniteui-angular/src/lib/grids/tree-grid/tree-grid.component.ts
index fe4dd9768e7..03234ced4b2 100644
--- a/projects/igniteui-angular/src/lib/grids/tree-grid/tree-grid.component.ts
+++ b/projects/igniteui-angular/src/lib/grids/tree-grid/tree-grid.component.ts
@@ -93,11 +93,6 @@ export class IgxTreeGridComponent extends IgxGridBaseComponent {
     */
     public flatData: any[];
 
-    /**
-    * @hidden
-    */
-    public processedFlatData: any[];
-
     /**
     * @hidden
     */
@@ -389,8 +384,6 @@ export class IgxTreeGridComponent extends IgxGridBaseComponent {
                 this.onRowAdded.emit({ data });
                 this._pipeTrigger++;
                 this.cdr.markForCheck();
-
-                this.refreshSearch();
             }
         } else {
             if (this.primaryKey && this.foreignKey) {
@@ -479,13 +472,6 @@ export class IgxTreeGridComponent extends IgxGridBaseComponent {
         return path.reverse();
     }
 
-    /**
-     * @hidden
-     */
-    protected resolveFilteredSortedData(): any[] {
-        return this.processedFlatData;
-    }
-
     /**
      * @hidden
      */
diff --git a/projects/igniteui-angular/src/lib/grids/tree-grid/tree-grid.pipes.ts b/projects/igniteui-angular/src/lib/grids/tree-grid/tree-grid.pipes.ts
index fd20e0a4a0d..d92e5696130 100644
--- a/projects/igniteui-angular/src/lib/grids/tree-grid/tree-grid.pipes.ts
+++ b/projects/igniteui-angular/src/lib/grids/tree-grid/tree-grid.pipes.ts
@@ -142,7 +142,6 @@ export class IgxTreeGridFlatteningPipe implements PipeTransform {
 
         grid.processedRootRecords = collection;
         grid.processedRecords = new Map<any, ITreeGridRecord>();
-        grid.processedFlatData = [];
 
         this.getFlatDataRecursive(collection, data, expandedLevels, expandedStates, id, true);
 
@@ -172,7 +171,6 @@ export class IgxTreeGridFlatteningPipe implements PipeTransform {
             this.updateNonProcessedRecordExpansion(grid, hierarchicalRecord);
 
             grid.processedRecords.set(hierarchicalRecord.rowID, hierarchicalRecord);
-            grid.processedFlatData.push(hierarchicalRecord.data);
 
             this.getFlatDataRecursive(hierarchicalRecord.children, data, expandedLevels,
                 expandedStates, gridID, parentExpanded && hierarchicalRecord.expanded);
@@ -210,9 +208,21 @@ export class IgxTreeGridSortingPipe implements PipeTransform {
         } else {
             result = DataUtil.treeGridSort(hierarchicalData, expressions);
         }
+        const filteredSortedData = [];
+        this.flattenTreeGridRecords(result, filteredSortedData);
+        grid.filteredSortedData = filteredSortedData;
 
         return result;
     }
+
+    private flattenTreeGridRecords(records: ITreeGridRecord[], flatData: any[]) {
+        if (records && records.length) {
+            for (const record of records) {
+                flatData.push(record.data);
+                this.flattenTreeGridRecords(record.children, flatData);
+            }
+        }
+    }
 }
 
 /** @hidden */