diff --git a/src/vs/editor/browser/widget/diffEditorWidget2/diffEditorViewModel.ts b/src/vs/editor/browser/widget/diffEditorWidget2/diffEditorViewModel.ts
index 729b3d61260..860afa96659 100644
--- a/src/vs/editor/browser/widget/diffEditorWidget2/diffEditorViewModel.ts
+++ b/src/vs/editor/browser/widget/diffEditorWidget2/diffEditorViewModel.ts
@@ -9,15 +9,13 @@ import { Disposable, toDisposable } from 'vs/base/common/lifecycle';
 import { IObservable, IReader, ISettableObservable, ITransaction, autorunWithStore, derived, observableSignal, observableSignalFromEvent, observableValue, transaction, waitForState } from 'vs/base/common/observable';
 import { readHotReloadableExport } from 'vs/editor/browser/widget/diffEditorWidget2/utils';
 import { ISerializedLineRange, LineRange } from 'vs/editor/common/core/lineRange';
-import { Range } from 'vs/editor/common/core/range';
-import { AdvancedLinesDiffComputer, lineRangeMappingFromRangeMappings } from 'vs/editor/common/diff/advancedLinesDiffComputer';
+import { AdvancedLinesDiffComputer } from 'vs/editor/common/diff/advancedLinesDiffComputer';
 import { IDocumentDiff, IDocumentDiffProvider } from 'vs/editor/common/diff/documentDiffProvider';
-import { LineRangeMapping, MovedText, RangeMapping } from 'vs/editor/common/diff/linesDiffComputer';
+import { LineRangeMapping, MovedText } from 'vs/editor/common/diff/linesDiffComputer';
 import { IDiffEditorModel, IDiffEditorViewModel } from 'vs/editor/common/editorCommon';
 import { ITextModel } from 'vs/editor/common/model';
 import { TextEditInfo } from 'vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/beforeEditPositionMapper';
 import { combineTextEditInfos } from 'vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/combineTextEditInfos';
-import { lengthAdd, lengthDiffNonNegative, lengthGetLineCount, lengthOfRange, lengthToPosition, lengthZero, positionToLength } from 'vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/length';
 import { DiffEditorOptions } from './diffEditorOptions';
 
 export class DiffEditorViewModel extends Disposable implements IDiffEditorViewModel {