diff --git a/src/vs/editor/common/services/markerDecorations.ts b/src/vs/editor/common/services/markerDecorations.ts
index 8b315075c93..66f1943b000 100644
--- a/src/vs/editor/common/services/markerDecorations.ts
+++ b/src/vs/editor/common/services/markerDecorations.ts
@@ -9,6 +9,7 @@ import { IMarker } from '../../../platform/markers/common/markers.js';
 import { Event } from '../../../base/common/event.js';
 import { Range } from '../core/range.js';
 import { URI } from '../../../base/common/uri.js';
+import { IDisposable } from '../../../base/common/lifecycle.js';
 
 export const IMarkerDecorationsService = createDecorator<IMarkerDecorationsService>('markerDecorationsService');
 
@@ -20,4 +21,6 @@ export interface IMarkerDecorationsService {
 	getMarker(uri: URI, decoration: IModelDecoration): IMarker | null;
 
 	getLiveMarkers(uri: URI): [Range, IMarker][];
+
+	addMarkerSuppression(uri: URI, range: Range): IDisposable;
 }
diff --git a/src/vs/editor/common/services/markerDecorationsService.ts b/src/vs/editor/common/services/markerDecorationsService.ts
index 7cbd80e89f8..c25a85a6915 100644
--- a/src/vs/editor/common/services/markerDecorationsService.ts
+++ b/src/vs/editor/common/services/markerDecorationsService.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { IMarkerService, IMarker, MarkerSeverity, MarkerTag } from '../../../platform/markers/common/markers.js';
-import { Disposable, toDisposable } from '../../../base/common/lifecycle.js';
+import { Disposable, IDisposable, toDisposable } from '../../../base/common/lifecycle.js';
 import { URI } from '../../../base/common/uri.js';
 import { IModelDeltaDecoration, ITextModel, IModelDecorationOptions, TrackedRangeStickiness, OverviewRulerLane, IModelDecoration, MinimapPosition, IModelDecorationMinimapOptions } from '../model.js';
 import { ClassName } from '../model/intervalTree.js';
@@ -19,6 +19,7 @@ import { Emitter, Event } from '../../../base/common/event.js';
 import { minimapInfo, minimapWarning, minimapError } from '../../../platform/theme/common/colorRegistry.js';
 import { BidirectionalMap, ResourceMap } from '../../../base/common/map.js';
 import { diffSets } from '../../../base/common/collections.js';
+import { Iterable } from '../../../base/common/iterator.js';
 
 export class MarkerDecorationsService extends Disposable implements IMarkerDecorationsService {
 
@@ -27,6 +28,8 @@ export class MarkerDecorationsService extends Disposable implements IMarkerDecor
 	private readonly _onDidChangeMarker = this._register(new Emitter<ITextModel>());
 	readonly onDidChangeMarker: Event<ITextModel> = this._onDidChangeMarker.event;
 
+	private readonly _suppressedRanges = new ResourceMap<Set<Range>>();
+
 	private readonly _markerDecorations = new ResourceMap<MarkerDecorations>();
 
 	constructor(
@@ -56,6 +59,28 @@ export class MarkerDecorationsService extends Disposable implements IMarkerDecor
 		return markerDecorations ? markerDecorations.getMarkers() : [];
 	}
 
+	addMarkerSuppression(uri: URI, range: Range): IDisposable {
+
+		let suppressedRanges = this._suppressedRanges.get(uri);
+		if (!suppressedRanges) {
+			suppressedRanges = new Set<Range>();
+			this._suppressedRanges.set(uri, suppressedRanges);
+		}
+		suppressedRanges.add(range);
+		this._handleMarkerChange([uri]);
+
+		return toDisposable(() => {
+			const suppressedRanges = this._suppressedRanges.get(uri);
+			if (suppressedRanges) {
+				suppressedRanges.delete(range);
+				if (suppressedRanges.size === 0) {
+					this._suppressedRanges.delete(uri);
+				}
+				this._handleMarkerChange([uri]);
+			}
+		});
+	}
+
 	private _handleMarkerChange(changedResources: readonly URI[]): void {
 		changedResources.forEach((resource) => {
 			const markerDecorations = this._markerDecorations.get(resource);
@@ -88,7 +113,16 @@ export class MarkerDecorationsService extends Disposable implements IMarkerDecor
 
 	private _updateDecorations(markerDecorations: MarkerDecorations): void {
 		// Limit to the first 500 errors/warnings
-		const markers = this._markerService.read({ resource: markerDecorations.model.uri, take: 500 });
+		let markers = this._markerService.read({ resource: markerDecorations.model.uri, take: 500 });
+
+		// filter markers from suppressed ranges
+		const suppressedRanges = this._suppressedRanges.get(markerDecorations.model.uri);
+		if (suppressedRanges) {
+			markers = markers.filter(marker => {
+				return !Iterable.some(suppressedRanges, candidate => Range.areIntersectingOrTouching(candidate, marker));
+			});
+		}
+
 		if (markerDecorations.update(markers)) {
 			this._onDidChangeMarker.fire(markerDecorations.model);
 		}
diff --git a/src/vs/workbench/contrib/inlineChat/browser/inlineChatCurrentLine.ts b/src/vs/workbench/contrib/inlineChat/browser/inlineChatCurrentLine.ts
index e1b70cbbc83..8aa9b86969a 100644
--- a/src/vs/workbench/contrib/inlineChat/browser/inlineChatCurrentLine.ts
+++ b/src/vs/workbench/contrib/inlineChat/browser/inlineChatCurrentLine.ts
@@ -3,7 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { Disposable } from '../../../../base/common/lifecycle.js';
+import { Disposable, MutableDisposable } from '../../../../base/common/lifecycle.js';
 import { ICodeEditor, MouseTargetType } from '../../../../editor/browser/editorBrowser.js';
 import { IEditorContribution } from '../../../../editor/common/editorCommon.js';
 import { localize, localize2 } from '../../../../nls.js';
@@ -29,6 +29,7 @@ import { ICommandService } from '../../../../platform/commands/common/commands.j
 import { InlineCompletionsController } from '../../../../editor/contrib/inlineCompletions/browser/controller/inlineCompletionsController.js';
 import { ChatAgentLocation, IChatAgentService } from '../../chat/common/chatAgents.js';
 import { MarkdownString } from '../../../../base/common/htmlContent.js';
+import { IMarkerDecorationsService } from '../../../../editor/common/services/markerDecorations.js';
 
 export const CTX_INLINE_CHAT_SHOWING_HINT = new RawContextKey<boolean>('inlineChatShowingHint', false, localize('inlineChatShowingHint', "Whether inline chat shows a contextual hint"));
 
@@ -157,6 +158,7 @@ export class InlineChatHintsController extends Disposable implements IEditorCont
 		@ICommandService commandService: ICommandService,
 		@IKeybindingService keybindingService: IKeybindingService,
 		@IChatAgentService chatAgentService: IChatAgentService,
+		@IMarkerDecorationsService markerDecorationService: IMarkerDecorationsService
 	) {
 		super();
 		this._editor = editor;
@@ -182,6 +184,7 @@ export class InlineChatHintsController extends Disposable implements IEditorCont
 			}
 		}));
 
+		const markerSuppression = this._store.add(new MutableDisposable());
 		const decos = this._editor.createDecorationsCollection();
 
 		const modelObs = observableFromEvent(editor.onDidChangeModel, () => editor.getModel());
@@ -201,6 +204,7 @@ export class InlineChatHintsController extends Disposable implements IEditorCont
 
 			if (!visible || !kb || !position || ghostState !== undefined || !model) {
 				decos.clear();
+				markerSuppression.clear();
 				return;
 			}
 
@@ -234,6 +238,8 @@ export class InlineChatHintsController extends Disposable implements IEditorCont
 					}
 				}
 			}]);
+
+			markerSuppression.value = markerDecorationService.addMarkerSuppression(model.uri, model.validateRange(new Range(position.lineNumber, 1, position.lineNumber, Number.MAX_SAFE_INTEGER)));
 		}));
 	}