diff --git a/extensions/copilot/src/extension/inlineEdits/common/rejectionCollector.ts b/extensions/copilot/src/extension/inlineEdits/common/rejectionCollector.ts
index 85d2063673f..baf512ff77a 100644
--- a/extensions/copilot/src/extension/inlineEdits/common/rejectionCollector.ts
+++ b/extensions/copilot/src/extension/inlineEdits/common/rejectionCollector.ts
@@ -13,7 +13,7 @@ import { StringEdit, StringReplacement } from '../../../util/vs/editor/common/co
 import { StringText } from '../../../util/vs/editor/common/core/text/abstractText';
 
 export class RejectionCollector extends Disposable {
-	private readonly _garbageCollector = new LRUGarbageCollector(20);
+	private readonly _garbageCollector = this._register(new LRUGarbageCollector(20));
 	private readonly _documentCaches = new Map<DocumentId, DocumentRejectionTracker>();
 	private readonly _tracer: ITracer;
 
diff --git a/extensions/copilot/src/extension/inlineEdits/node/nextEditProvider.ts b/extensions/copilot/src/extension/inlineEdits/node/nextEditProvider.ts
index 35086180bf7..d1a58fcf322 100644
--- a/extensions/copilot/src/extension/inlineEdits/node/nextEditProvider.ts
+++ b/extensions/copilot/src/extension/inlineEdits/node/nextEditProvider.ts
@@ -62,7 +62,7 @@ export class NextEditProvider extends Disposable implements INextEditProvider<Ne
 
 	public readonly ID = this._statelessNextEditProvider.ID;
 
-	private readonly _rejectionCollector = new RejectionCollector(this._workspace, s => this._logService.trace(s));
+	private readonly _rejectionCollector = this._register(new RejectionCollector(this._workspace, s => this._logService.trace(s)));
 	private readonly _nextEditCache: NextEditCache;
 	private readonly _recentlyShownCache = new RecentlyShownCache();
 
diff --git a/extensions/copilot/src/extension/inlineEdits/vscode-node/features/diagnosticsCompletionProcessor.ts b/extensions/copilot/src/extension/inlineEdits/vscode-node/features/diagnosticsCompletionProcessor.ts
index f4802bc287c..61af56ac780 100644
--- a/extensions/copilot/src/extension/inlineEdits/vscode-node/features/diagnosticsCompletionProcessor.ts
+++ b/extensions/copilot/src/extension/inlineEdits/vscode-node/features/diagnosticsCompletionProcessor.ts
@@ -199,7 +199,7 @@ export class DiagnosticsCompletionProcessor extends Disposable {
 			return providers;
 		}).recomputeInitiallyAndOnChange(this._store);
 
-		this._rejectionCollector = new RejectionCollector(this._workspace, s => this._tracer.trace(s));
+		this._rejectionCollector = this._register(new RejectionCollector(this._workspace, s => this._tracer.trace(s)));
 
 		const isValidEditor = (editor: vscode.TextEditor | undefined): editor is vscode.TextEditor => {
 			return !!editor && (isNotebookCell(editor.document.uri) || isEditorFromEditorGrid(editor));
@@ -700,4 +700,4 @@ class DiagnosticsCompletionHandlerTelemetry {
 			hasAlternativeDiagnosticForSameRange: this._hasAlternativeDiagnosticForSameRange
 		};
 	}
-}
\ No newline at end of file
+}