diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index ae457551a5003..a384375b248c1 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -2217,7 +2217,6 @@ declare namespace ts {
     }
     interface UniqueESSymbolType extends Type {
         symbol: Symbol;
-        escapedName: __String;
     }
     interface StringLiteralType extends LiteralType {
         value: string;