diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
index 4489185d0ea..4f8d2469110 100644
--- a/src/compiler/parser.ts
+++ b/src/compiler/parser.ts
@@ -4591,7 +4591,6 @@ namespace ts {
                 case SyntaxKind.EnumKeyword:
                     return parseEnumDeclaration(fullStart, decorators, modifiers);
                 case SyntaxKind.GlobalKeyword:
-                    return parseModuleDeclaration(fullStart, decorators, modifiers);
                 case SyntaxKind.ModuleKeyword:
                 case SyntaxKind.NamespaceKeyword:
                     return parseModuleDeclaration(fullStart, decorators, modifiers);