diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index b8d33b6b3f57d..e1f347282b92b 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -2994,9 +2994,9 @@ namespace ts {
          */
         /* @internal */ tryGetMemberInModuleExportsAndProperties(memberName: string, moduleSymbol: Symbol): Symbol | undefined;
         getApparentType(type: Type): Type;
-        getSuggestionForNonexistentProperty(name: Identifier | string, containingType: Type): string | undefined;
-        getSuggestionForNonexistentSymbol(location: Node, name: string, meaning: SymbolFlags): string | undefined;
-        getSuggestionForNonexistentExport(node: Identifier, target: Symbol): string | undefined;
+        /* @internal */ getSuggestionForNonexistentProperty(name: Identifier | string, containingType: Type): string | undefined;
+        /* @internal */ getSuggestionForNonexistentSymbol(location: Node, name: string, meaning: SymbolFlags): string | undefined;
+        /* @internal */ getSuggestionForNonexistentExport(node: Identifier, target: Symbol): string | undefined;
         getBaseConstraintOfType(type: Type): Type | undefined;
         getDefaultFromTypeParameter(type: Type): Type | undefined;
 
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index f70107195dd36..1a12f7f34c07e 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -1918,9 +1918,6 @@ declare namespace ts {
         getAmbientModules(): Symbol[];
         tryGetMemberInModuleExports(memberName: string, moduleSymbol: Symbol): Symbol | undefined;
         getApparentType(type: Type): Type;
-        getSuggestionForNonexistentProperty(name: Identifier | string, containingType: Type): string | undefined;
-        getSuggestionForNonexistentSymbol(location: Node, name: string, meaning: SymbolFlags): string | undefined;
-        getSuggestionForNonexistentExport(node: Identifier, target: Symbol): string | undefined;
         getBaseConstraintOfType(type: Type): Type | undefined;
         getDefaultFromTypeParameter(type: Type): Type | undefined;
         /**