diff --git a/extensions/typescript-language-features/src/features/bufferSyncSupport.ts b/extensions/typescript-language-features/src/features/bufferSyncSupport.ts
index bd622252378..d8ade29a919 100644
--- a/extensions/typescript-language-features/src/features/bufferSyncSupport.ts
+++ b/extensions/typescript-language-features/src/features/bufferSyncSupport.ts
@@ -147,7 +147,7 @@ export default class BufferSyncSupport {
 
 		this.diagnosticDelayer = new Delayer<any>(300);
 
-		const pathNormalizer = (path: Uri) => this.normalizePath(path);
+		const pathNormalizer = (path: Uri) => this.client.normalizedPath(path);
 		this.syncedBuffers = new SyncedBufferMap(pathNormalizer);
 		this.pendingDiagnostics = new PendingDiagnostics(pathNormalizer);
 
@@ -348,8 +348,4 @@ export default class BufferSyncSupport {
 				return this._validateTypeScript;
 		}
 	}
-
-	private normalizePath(path: Uri): string | null {
-		return this.client.normalizedPath(path);
-	}
 }